Our Staff. Twenty-one additional states had summer temperatures among their ten warmest. Low Temp: 26 °F. The most pleasant months of the year for Springfield are September, May and June. National Oceanic and Atmospheric Administration January is the coldest month in Chicago with average highs of 32 degrees Fahrenheit and lows of 18 degrees. Late-season freeze events in early to mid-April are not uncommon; however, last month’s event followed a prolonged period of well above average temperatures. Thas information comes from the U . Due to the urban heat island effect, cities tend to be 2 °F or 1.1 °C warmer on average, which is most noticeable overnight. A variety of hilling materials can be used, but the key is to be sure that the material is well drained. The averages are based on the new 1981-2010 normal period. The highest temperature reported in Illinois was 117°F in East St. Louis on July 14, 1954. Monthly climate update View previous months 19 OCTOBER 2020. normals are based on the 1981-2010 averaging period. 69 Inches Rain Fell , One Night Temp . But even if temperatures fall below that level, it will likely not come close to Illinois’ all-time low temperature, a staggering -36 degrees Fahrenheit set in Bloomington in 1999. To give you a better idea of the coldest time of year for your area, NOAA's National Climatic Data Center has created a new “Coldest Day of the Year” map. Severe Weather Data, Observer Info Chicago’s highest minimum temperature, 85 degrees, was set on July 29, 1916. Mean Temp: 57 °F. However, that observation came from a small airport station designed for aviation purposes and was not part of the climate network in Illinois. The high daily temperatures for the month averages 28 degrees . Lincoln Climate Submit Storm Report ... Month * Day * Data is available up to December 3, 2020. Here are normal monthly and seasonal temperatures and Annual Weather Averages Near Chicago. CoCoRaHS Petersburg, Virginia, recorded -20 degrees. Cook County sheriff's police now say they solved the case. training and equipment from the National Weather Service. Virtual Tour Climate Normals—"the Normals," for short. These cities do however have modern amenities and facilities such as a school, a hospital, and shops, and Oymyakon even has an airport that operates in summer. The … Monthly: 1981-2010 normals In Springfield, there are 4 comfortable months with high temperatures in the range of 70-85°. Seventeen other states from Washington … As a result, the data were not always archived and no quality control procedures were applied to the data. Daily Climate Maps NWS Latest Observations Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Illinois in December. December was the coldest month of 1958 . y . And yet, on Jan. 7, 1971, … For more than 17 years, the origins of two newborn boys discovered in an Illinois garbage truck was a mystery. As the sun gradually lowers in the sky in the Northern Hemisphere during the fall, cold arctic and polar air masses intrude farther and farther south into the United States. July is the hottest month for Springfield with an average high temperature of 85.4°, which ranks it as about average compared to other places in Illinois. Find historical weather by searching for a city, zip code, or airport code. COOP Program January 1857 brought some of the coldest weather ever to the East Coast. The annual BestPlaces Comfort Index for West Brooklyn is 6.8 (10=best), which means it is less comfortable than most places in Illinois. Warmest Month: 81.3 degrees in July 1955: Coldest Month: 10.1 degrees in January 1977 : Warmest Season: 76.4 degrees in Summer of 1955: Coldest Season: 18.3 degrees in Winter of 1903-04 : Warmest Year: 54.5 degrees in 2012: Coldest Year: 45.1 degrees in 1875 : Lowest Relative Humidity: 13% on numerous days : May 10, 1934 : April 11, 1956 : April 8, 1971 : April 14, 2015 The warm weather Illinois has been experiencing this week is part of a pattern. "October is the snowiest month in a handful of Alaska stations and nowhere else," said Brettschneider. The coldest temperature ever recorded in Chicago city limits is −27 °F (−33 °C) at O'Hare on January 20, 1985, though unofficial temperatures as low as −33 °F (−36 °C) have been recorded at Chicago Aurora Airport in far western suburbs and in the rural areas to the west of Chicago. The coldest temperature recorded in the contiguous U.S. is 70 degrees below zero, measured at Rogers Pass, Montana, on Jan. 20, 1954. 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