The most rainfall from a single event was 16.94 inches in Aurora during a 24-hour period spanning July 17-18, 1996. The warm season lasts for 3.6 months, from June 3 to September 20, with an average daily high temperature above 73°F.The hottest day of the year is July 19, with an average high of 83°F and low of 71°F.. Illinois climate normals page. However, that observation came from a small airport station designed for aviation purposes and was not part of the climate network in Illinois. Be prepared for the day. Chicago Temperature Yesterday. Monthly: 1981-2010 normals Check the current conditions for Chicago, IL for the day ahead, with radar, hourly, and up to the minute forecasts. Normals are based on the 30-year period from 1981-2010. National Climatic Data Center. Based on weather reports collected during 1985–2015. majority of the official climate data comes from a large network of Average annual temperatures for cities throughout Illinois are listed below. The average annual maximum temperature is: 14.0° Celsius (57.2° Fahrenheit) The average annual minimum temperature is: 4.0° Celsius (39.2° Fahrenheit) Illinois averages 140 days at or below 32°F (north) but only 80 such days (south). normals are based on the 1981-2010 averaging period. Temperatures are up to 36°F. You can jump to a separate table for each region of the state: Chicago Area, Northern Illinois, Central Illinois and Southern Illinois. Average annual temperatures for cities throughout Illinois are listed below. The extreme heat from the summer in Chicago can offer persist into the autumn season, with weather relatively unpredictable during the September-November months. Monthly averages Champaign Longitude: -88.2434, Latitude: 40.1164 Average weather Champaign, IL - 61820. High & Low Weather Summary for the Past Weeks . Autumn. Access to older climate tables and summaries . NOAA's 1981-2010 Climate Normals. volunteer observers known as the cooperative observer network with official The average maximum temperature reaches 28°C in Chicago, with the highest temperature recorded as 41C in July and the lowest average temperature standing at 16°C. Monthly averages Peoria Longitude: -89.589, Latitude: 40.6936 Average weather Peoria, IL - 61602. Station Data. The averages are based on the new 1981-2010 normal period. Illinois averages 10 days at or above 90°F (north) compared to just over 40 days (south). Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Chicago, IL, US with The Weather Network. Weather forecast & current weather worldwide in Fahrenheit or Celsius - hour-by-hour & 2 week forecast plus last week's weather. Illinois is located in the so called Tornado Alley, a large area with a high risk of tropical storms and hurricanes. Average temperatures for August at cities throughout Illinois are listed below. Get the monthly weather forecast for Illinois City, IL, including daily high/low, historical averages, to help you plan ahead. On average, the warmest month is July. Long-term averages have been calculated from a network of sites established in the 1990s by the Illinois State Water Survey, called the Water and Atmospheric Resource Monitoring (WARM) program. You can jump to a separate table for each region of the state: Chicago Area, Northern Illinois, Central Illinois and Southern Illinois. Monthly averages Urbana Longitude: -88.2073, Latitude: 40.1106 Average weather Urbana, IL - 61801. Here are normal monthly and seasonal temperatures and Soil temperatures are important for a variety of agricultural and horticultural activities. Maximums and minimums are only part of the temperature picture. Averages are for Chicago Midway Airport, which is 9 miles from Chicago. Monthly: 1981-2010 normals History: 2007-2019 The tables give the normal maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center. The table below provides the average monthly high and low temperatures, precipitation, and snowfall for Champaign-Urbana. A Last Month's Climate Report. To fill in the rest, there's information on how many days a month get above or below a given temperature. In the morning the temperature drops to 29°F. Year * Month * Day * Data is available up to February 12, 2021. Annual Weather Averages Near Chicago. Weather.com brings you the most accurate monthly weather forecast for Western Springs, IL with average/record and high/low temperatures, precipitation and more. Station Data. Monthly: 1981-2010 normals History: 2015-2019 The highest temperature reported in Illinois was 117°F in East St. Louis on July 14, 1954. In addition, temperatures below -30°F were very close to the design limits of the equipment. On average, the coolest month is January. Thus, the mean temperature average on this month of february in Illinois is 32°F. 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. The Below the table are selected records set in Champaign-Urbana. Days at or above 100°F are quite rare, occurring about every other year (north) and 2 days annually (south). Average winter temperatures range from a high of 67.4 degrees Fahrenheit (19.7 degrees Celsius) in Hawaii to a low of 2.6 °F (-16.3 °C) in Alaska. Illinois annual average temperature - 51.74 degrees, 23rd warmest state in the U.S. Record Hottest year in Illinois - 1921 / Avg temperature 55.61 degrees; Record Coldest year in Illinois - 1917 / Avg temperature 48.67 degrees; Illinois average Summer temperature (June, July, August) - 73.4 F degrees, 17th warmest U.S. summer state July is the hottest month in Chicago with an average temperature of 23°C (73°F) and the coldest is January at -6°C (21°F) with the most daily sunshine hours at 12 in July. training and equipment from the National Weather Service. Days at or below 0°F range from 16 days annually (north) to 2 days (south). … Up to 90 days of daily highs, lows, and precipitation chances. Maximum temperature yesterday: 21 °F (at 2:53 pm) Minimum temperature yesterday: 8 °F (at 12:13 am) Average temperature yesterday: 13 °F. On average, the coolest month is January. As a result, the data were not always archived and no quality control procedures were applied to the data. As a result, it was never officially recognized as the state record. Freeport, in northern Illinois, registers average temperatures between 11°F (-11.7°C) to 29°F (-1.7°C), while Chicago is between 13°F (-10.6°C) to 34°F (1.1°C). In fact, sites in that network (Automated Weather Observing System or AWOS) do not record the minimum temperature, only the temperature every 20 minutes. On average, the warmest month is July. Monthly averages Boydton Longitude: -78.3875, Latitude: 36.6676 Average weather Boydton, - 23917. For normals for individual stations, please refer to the See Historical Weather Data for a Location and Date. The average high and low temperatures are listed below by month and annually for Chicago, in both degrees Fahrenheit and Celsius. Copyright © 2021 Current Results Publishing Ltd. The wettest month is July with an average of 100mm of rain. Monthly: 1981-2010 normals The following records were collected from the available climate archives for Illinois. Chicago, USA: Annual Weather Averages. Station Data. On average about 35 tornadoes can be recorded annually in Illinois. precipitation as well as selected records for the state of Illinois. Station Data. On average, the warmest month is July. Monthly averages Chicago Longitude: -87.6298, Latitude: 41.8781 Average weather Chicago, IL - 60679. On average, the coolest month is January. Plan a sweater! 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. An examination of the site, the available 20-minute data (before, during, and afterwards), and the equipment, along with the consideration of the meteorological factors of that morning, raised questions about the validity of the one data point. The average annual maximum temperature is: 14.0° Celsius (57.2° Fahrenheit) The average annual minimum temperature is: 4.0° Celsius (39.2° Fahrenheit) The temperatures are state-wide averages calculated from temperatures recorded during the months of March, April and May. Access hourly, 10 day and 15 day forecasts along with up to the minute reports and videos from AccuWeather.com During the summer temperatures may rise well above the average of 29-32 degrees Celsius (84-90 degrees Fahrenheit). On average, the warmest month is July. The temperatures are state-wide averages calculated from temperatures recorded during the months of December, January and February. The highest temperature reported in Illinois was 117°F in East St. Louis on July 14, 1954. Climate Observations: Current Month's Climate Table (F6) Daily Climate Summary. Spring temperature averages range from a high of 69.9 degrees Fahrenheit (21.1 degrees Celsius) in Florida to a low of 24.7 °F (-4.1 °C) in Alaska.