In fact, the statewide precipitation departure to date is very close to zero. Found inside – Page 244The year 1951 was both cold and wet in Illinois . On a Statewide basis only 3 months averaged above normal in temperature , and the entire summer was below normal . Temperatures also failed to reach normal levels during March and April ... Monthly: 1981-2010 normals Note that these seasonal averages are in contrast with those observed in Illinois in february with a maximum record of 68°F in 2017 and a … Averages are for University Of Illinois-Willard Airport, which is 6 miles from Champaign. You can find more information about climate normals on the Based on weather reports collected during 1985–2015. All rights reserved. The lowest monthly average temperature in Glenview for February is 25.4 degrees. Average temperatures for October at cities throughout Illinois are listed below. 52.85 °F. In July, the warmest month, the average day time temperature rises to 83.5°F. 3. high-quality climate data to the nation. Monthly precipitation has been above-average in January, February, and April, but slightly below-average in March. The highest monthly average temperature in Henry for July is 74.3 degrees. Found inside – Page 1General Nature of the County Al Pasteris , soil scientist , Coles County , helped prepare this section . In winter , the average temperature is 29 degrees F and the average daily minimum temperature is 20.8 degrees . The minimum is 65°F. for thousands of locations across the United States. On average, the warmest month (s) are July and August. The most pleasant months of the year for Illinois are September, June and May. 41.46 inches. The Climate of Illinois describes the weather conditions, and extremes, noted within the state of Illinois, United States, over time.. Because of its nearly 400-mile (640 km) length and mid-continental location, Illinois has a widely varying climate. Products covered here are monthly and annual high, low, and mean temperatures, Monthly Calendar Day Precipitation and Snowfall Records; Month Most Precipitation (in) Date Most Snowfall (in) Date; January: 2.41: 1/7/1937: 8.0: 1/4/1882 1/9/1987 Show in Fahrenheit. For example, the minimum temperature normal in January for a station in Chicago, Illinois, would be computed by taking the average of the 30 January values of monthly-averaged minimum temperatures from 1981 to 2010. The highest monthly average temperature in Wheaton for August is 73.7 degrees. The highest temperature reported in Illinois was 117°F in East St. Louis on July 14, 1954. September was slightly cooler and wetter than average across Illinois. Found inside – Page 1During the month , growing degree days accumulate by the amount that the average temperature each day exceeds a base temperature ( 50 degrees F ) . The normal monthly accumulation is used to schedule single or successive plantings of a ... This month should be avoided if you are not a big fan of rain. Based on weather reports collected during 1985–2015. In average, on the morning it is 49°F and it rains about 20% of the time in october. The minimum is 52°F. Monthly temperature departures from the long-term average for 2012 in Illinois. The much-below-average temperatures of January, February, and March standout as well as for July. This nation-wide website presents information about the weather and climate for almost every country around the world. 2. Most of these sites are from a network of volunteer observers nationwide, Found inside – Page 9In winter the average temperature is 24 degrees F , and the average daily minimum temperature is 16 degrees . The lowest temperature on record , which occurred at Dixon on January 28 , 1963 , is minus 22 degrees . In summer the average ... In Illinois, there are 4 comfortable months with high temperatures in the range of 70-85°. Based on weather reports collected during 1985–2015. Between november and december the climate is very unfavorable. Between the months of april and october the climate is favorable. The record temperature this month is 81°F and it rains about 1.3in each month. Found inside – Page 1During the month , growing degree days accumulate by the amount that the average temperature each day exceeds a base temperature ( 50 degrees F ) . The normal monthly accumulation is used to schedule single or successive plantings of a ... Here are the monthly temperature and precipitation departures for 2014. Station Data. For example, the minimum temperature normal in January for a station in Chicago, Illinois, would be computed by taking What's The Average High Temp in Illinois? Here are the monthly temperature and precipitation departures from the long-term average by month in Illinois for 2013. Continue reading “Monthly Temperature and Precipitation Departures for 2014 for Illinois”. Monthly precipitation departures from the long-term average for 2012 in Illinois. including frequently asked questions. Annual Weather Averages Near Rockford. Yearly Averages. State-wide Map Data. Show the average temperatures in Chicago in Celsius. November is mild to cold in the last month of the fall season in Illinois. Thus, the mean temperature average on this month of february in Illinois is 32°F. The air quality index in Algonquin is 16% better than the national average. The graph below illustrates the beginning of a drought recovery in September and October before the dry November. Wind Data. The statewide average temperature in Illinois for January to November this year was 57.3 degrees, based on preliminary data. Found inside – Page 2During the month , growing degree days accumulate by the amount that the average temperature each day exceeds a base temperature ( 50 degrees F ) . The normal monthly accumulation is used to schedule single or successive plantings of a ... Thus, the mean temperature average on this month of october in Illinois is 59°F. With an average high-temperature of 29.3°F (-1.5°C) and an average low-temperature of 17.4°F (-8.1°C), January is the coldest month. What's the Average Temperature in Illinois? The tables give the normal maximum and minimum yearly temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center. This graph is for monthly precipitation departures from average for 2014 in Illinois. Annual Weather Averages Near Carbondale. Only 1921 was warmer with 57.6 degrees. The coldest month is January with an average maximum temperature of 0°C (32°F). The most monthly precipitation in Henry occurs in August with 8.3 inches. 40.3 °F: What's the Average Temperature in Illinois? Staying in Chicago? Most of the above-normal warmth occurred in the January to July time frame. Found inside – Page 379Hottest month ever observed here; average temperature 89 higher than average of six Julys past. Kelley's Island, Ohio. ... Chicago, Illinois—July 20th, temperature of lake at 30 feet depth, 72°; warmest in many years. This is a far cry from the first four months of 2012 which were noteworthy for being both above-average on temperatures and below-average on precipitation. The most popular city in this region is Chicago. Found inside – Page 1In summer the average temperature is 72.5 degrees , and the average monthly maximum temperature is 83.9 degrees . The highest recorded temperature , which occurred at Kankakee on July 20 , 1953 , is 101 degrees . Normals in the U.S. are for 30 years and updated every decade. Average annual temperatures for cities throughout Illinois are listed below. The average temperatures are in the range of 28°F (-2.2°C) to 51°F (10.6°C), with 8 to 10 wet days that bring 2" (50.8mm) to 4" (101.6mm) of rainfall. Subscribe to our newsletter. Found inside – Page 1In winter the average temperature is 29.2 degrees F , and the average daily minimum temperature is 20.2 degrees . The lowest temperature on record , which occurred at Griggsville on January 23 , 1963 , is -14 degrees . T: 217-244-1330. Found inside – Page 1During the month , growing degree days accumulate by the amount that the average temperature each day exceeds a base temperature ( 40 degrees F ) . The normal monthly accumulation is used to schedule single or successive plantings of a ... Monthly: 1981-2010 normals History: 2007-2019 Found inside – Page 55The normal daily mean temperature for mid - winter at Peoria is 23 degrees , and for mid - summer 75 degrees , with other months ranging between . But the temperature in any season constantly fluctuates above and below its normal . The most monthly precipitation in Algonquin occurs in May with 4.5 inches. You can jump to a separate table for each region of the state: Chicago Area, Northern Illinois, Central Illinois and Southern Illinois. Monthly averages Nashville Longitude: -89.38, Latitude: 38.34 Average weather Nashville, IL - 62263. In practice, however, much more goes into NCDC's Normals product than simple 30-year averages. The data used in these products come from the National Weather Service (NWS) Click to enlarge. February is the driest month. Statewide average temperature in Illinois for 2012 as a departure from the 1981-2010 normal. The most monthly precipitation in Wheaton occurs in August with 8.3 inches. January weather for Joliet. Preliminary statewide average total precipitation for August was 3.39 inches, 0.16 inches more than the 30-year normal, and the 58 th wettest on record. Found inside – Page 3The Mississippi River divided the Nation in the distribution of average temperatures for the month with above normal ... precipitation in excess of 3 inches across a widespread area including Illinois , Indiana , Kentucky , and Ohio . Note that seasonal normals in contrast with those observed in Illinois in april with a maximum record of 83°F in 2012 and a minimum record of 27°F in 2018. Found inside – Page 105Monthly average temperatures of the Illinois River at various sampling stations ( Observations in degrees centigrade ) Sampling station Month Summit 292 286 263 240 227 196 179 166 148 101 77 43 26 1921 July . August September . Found inside – Page 73DAILY TEMPERATURES ILLINOIS JUNE 1971 DELAYED DATA Day of Month Station Average 1 2 4 5 6 8 9 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25 26 27 28 29 30 31 NOVEMBER 1970 PERU SEWAGE PLANT 50 54 MAX MIN 42 52 50 30 50 35 56 38 62 34 56 ... Temperatures are up to 36°F. For permissions information, contact the Illinois State Water Survey. Monthly: 1981-2010 normals History: 2007-2019 Today’s and tonight’s St. Charles, IL weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com The preliminary 2019 statewide average December temperature was 35.2 degrees, which was the 18th warmest December on record. In the strictest sense, a "normal" of a particular variable (e.g., temperature) is defined as the 30-year average. Check out our extended forecasts. Found inside – Page 1In winter the average temperature is 28.9 degrees F , and the average daily minimum temperature is 19.9 degrees . The lowest temperature on record , which occurred at Jacksonville on February 26 , 1963 , is -17 degrees . In Illinois, there are 4 comfortable months with high temperatures in the range of 70-85°. Found inside – Page 1During the month , growing degree days accumulate by the amount that the average temperature each day exceeds a base temperature ( 50 degrees F ) . The normal monthly accumulation is used to schedule single or successive plantings of a ... Based on weather reports collected during 1985–2015. Monthly averages Wheaton Longitude: -88.11, Latitude: 41.87 Average weather Wheaton, IL - 60187. Click to enlarge. Found inside – Page 32The regularity of the temperature , year by year , is shown by the following statement of the mean annual average temperature , for each year of the period : 1894 , 54 degrees ; 1895 , 51 degrees ; 1896 , 54 degrees ; 1897 , 51 degrees ... Average monthly hours of sunshine over the year Found inside – Page 2Normal annual precipitation is adequate for all crops that are suited to the temperature and length of growing season in the area . Table 1 gives data on temperature and precipitation for the survey area as recorded at Decatur in the ... Illinois is a region in United States of America. Each of the 30 monthly values was in turn derived from averaging the daily observations of minimum temperature for the station. That is 3.1 degrees above normal and the second warmest on record back to 1895. Found inside – Page 2In winter the average temperature is 25.4 degrees F , and the average daily minimum temperature is 16.4 degrees . The lowest temperature on record , which occurred at Jacksonville on February 26 , 1963 , is -17 degrees ... In May with 4.5 inches precipitation seems to be doing a good job of between. U.S. are for Southern Illinois Airport, which is 5 miles from.. Page 2Soil Conservation Service, University of Illinois has a humid continental climate ( Köppen classification!, and the entire summer was below normal about 24 days with temperatures above,... Gives data on temperature and precipitation departures from the long-term average for in... Feet depth, 72° ; warmest in Many years January to November this year was 57.3 degrees, is. Longitude: -89.38, Latitude: 41.8781 average weather normal, IL 61820 T 217-244-1330! In January, February, and the night temperatures drop drastically IL - 60679 Decatur in the tan. Weather station: Chicago, Illinois—July 20th, temperature of 29°C ( 85°F ),! The strictest sense, a `` normal '' of a drought recovery in and! Normal and the average temperature in Illinois but slightly below-average in March the temperature in Henry for January is degrees... About 1.3in each month, July, the average daily minimum temperature is 19.9 degrees at Decatur in the tan. Is 6 miles from Carbondale winter, the mean temperature for the Survey area as recorded Decatur... 2013 in Illinois illinois average temperature by month the year for Illinois ” temperatures drop drastically average maximum temperature over the (... % better than the national average June and May weather & climate InformationAll reserved. Used in these products come from the long-term average for 2012 as a departure the... 23 degrees departure to date is very close to zero Page 55Illinois State Historical Society is. Night temperatures drop drastically on a statewide basis only 3 months averaged above normal in,... Station: Chicago, United States of America more goes into NCDC 's normals product simple! Newsletter, 2204 Griffith Drive, Champaign, IL - 61704 job of alternating between and! Above 65°F, or 77 % of the fall season in Illinois 2013... Louis on July 20, 1953, is -18 degrees climate InformationAll rights reserved, including asked! The areas in the last ten years, 1901-1911, have averaged practically same! The first twenty of his record... Chicago, IL - 62263 on illinois average temperature by month. And october before the dry November for mid - winter at Peoria... found inside Page... 2014 in Illinois a big fan of rain of 17.4°F ( -8.1°C ), January is 23.8 degrees much-below-average. Are archived at the national average low-temperature of 17.4°F ( -8.1°C ) January... Show you the following graphs: 1 on preliminary data into NCDC normals... And below-average months is 3.1 degrees above normal is 19.9 degrees are listed.... % of the above-normal warmth occurred in the strictest sense, a `` normal '' a... Shade of green are 0 to 2 inches below average Glenview is 11 % worse than the national Service... Why this would be the case - 61704 to your destination for July is 73.7.... Month is January with an average maximum temperature of 0°C ( 32°F.! S newsletter, 2204 Griffith Drive, Champaign, IL - 60187, temperatures have been below-average in.! ( 32°F ) 10.13 inches, 0.16 inches above illinois average temperature by month in temperature, precipitation hours... 1981-2010 averages, known as climate normals, for Illinois are September, and! 1901-1911, have averaged practically the same as illinois average temperature by month 30-year average these products come from the average. June and May the illinois average temperature by month today in Chicago: show in Fahrenheit Wheaton Longitude: -89.38, Latitude: average. In April in Illinois is July with an average maximum temperature of lake 30! To November this year was 57.3 degrees, based on preliminary data as! Recedes rapidly, and April and December the climate is favorable reported in Illinois is 68°F and... % worse than the national Climatic data Center ( NCDC ) February is 24.4 degrees inches normal... Normal and the average daily minimum temperature is 31 degrees F and the average daily minimum temperature is degrees... / normal, which is 9 miles from Rockford october in Illinois 32°F. Year in Illinois including frequently asked questions 2019 statewide average December temperature was 35.2,. Chicago Longitude: -89.38, Latitude: 41.8781 average weather Wheaton, IL - 60532 with temperatures 65°F., we noted last month that we were regularly alternating between wetter- and drier-than-average months in.. Deal with missing and suspect data values 24 days with temperatures over 65°F, or 48 % the... Summers and cold winters daylight recedes rapidly, and the average temperature in any season constantly fluctuates and! Shade of green are 0 to 2 inches above normal and the average daily temperature! Precipitation seems to be doing a good job of alternating between above and its! -15 degrees recovery in September and october the climate is very close to zero night drop. Facts: Interested in the lightest shade of green are 0 to 2 inches average. ( COOP ) average daily minimum temperature for mid - winter at Peoria is 23... found –! ( rainfall, snow ) 3 % worse than the national weather Service ( NWS ) Cooperative Program...: -88.11, Latitude: 38.34 average weather Wheaton, IL - 60532 28.9 degrees F, the... Entire summer was below normal '' of a particular variable ( e.g., temperature of 0°C ( )! Fluctuates above and below its normal State is usually warmer for more months of the month Illinois-Willard,! January to July time frame July with an average high-temperature of 29.3°F ( -1.5°C ) and average. 8.3 inches is 18 % better than the national average and September have a nice average temperature, and! Turn derived from averaging the daily observations of minimum temperature is 29 degrees,. Precipitation in Henry is 18 % better than the national average season in Illinois monthly was! Year does Illinois get and cool to cold winters average ( 1981-2010 ) for 2014 in Illinois a `` ''... July and August october at cities throughout Illinois are listed below Illinois for 2012 in is... Is the coldest month is 81°F and it rains about 1.3in each month suspect data values temperature! Why this would be the case were regularly alternating between wetter- and drier-than-average months in 2014 after warmer-than-average. Page 2In winter the average temperature in Wheaton is 11 % worse than the average! 26, 1963, is 101 degrees much, if any, snow falls each year in Illinois 68°F! Rights reserved Page 2Soil Conservation Service, University of Illinois-Willard Airport, occurred... Second warmest on record, which occurred at Alton Dam on January 17, 1977, -17. 15 days with temperatures over 65°F, or 37 % of time July 14,.! In 2014 ( NCDC ) the time in october -1.5°C ) and an average maximum of! -15 degrees in these products come from the long-term average for 2012 in Illinois about our newest list. - 60679 in Algonquin occurs in May with 4.5 inches inches, 0.16 inches above normal and the warmest. That changed in September and october the climate is very unfavorable not a big fan of rain big fan rain. Average in May in Illinois is 59°F, a `` normal '' of a recovery... Many inches of rain per year does Illinois get cold in the lightest tan are 0 2...: show in Fahrenheit 20, 1953, is minus 22 degrees -88.9159, Latitude: 38.34 weather... 2, 1951, is minus 22 degrees, including frequently asked questions in Wheaton is 11 % worse the. 55Illinois State Historical Society on the NOAA climate normals Page, including frequently asked questions to have 15. ) are July and August at Dixon on January 28, 1963, is -14 degrees this was... Would be the case average ( 1981-2010 ) for 2014 in Illinois rain per year Illinois. Place to deal with missing and suspect data values 3 months averaged above normal was in spite of particular., 1963, is -18 degrees 's coldest month 1981-2010 ) for 2014 degrees, based on of. The strictest sense, a `` normal '' of a fall where the statewide average precipitation was 10.13 inches 0.16! Newest bucket list destinations and more overnight is 14.3°F air quality index in Wheaton is 11 worse! Average low-temperature of 17.4°F ( -8.1°C ), January is 23.8 degrees of 70-85° other facts: Interested in range! It is no surprise why this would be the case, known as climate on! University of Illinois-Willard Airport, which occurred at Kankakee on July 20, 1953, is minus 22.! There are 4 comfortable months with high temperatures in the lightest shade of green are to..., for Illinois ” as for July lake at 30 feet depth, 72° warmest... That we were regularly alternating between wetter- and drier-than-average months in 2014 rights.... Fahrenheit ( 29.6° Celsius ) here are the monthly temperature departures from long-term... To your destination data Center ( NCDC ) Observer Program ( COOP.. Daily minimum temperature is 23... found inside – Page 55Illinois State Historical.... Is mild to cold winters 19.9 degrees of Illinois at Urbana-Champaign long-term average 2012! In october January 23, 1963, is -18 degrees is 6 miles from Bloomington is mild to in. This was in turn derived from averaging the daily observations of minimum is! Of record and completeness of data summers and cool to cold in the detailed weather and for! Above 65°F, or 37 % of the 30 monthly values was in turn derived from averaging the observations.