Chicago July Weather

Averages and records for weather in Chicago, Illinois in the month of July.
Typical Chicago July Weather
1991–2020
Average daily high 84.9 °F
Average daily low 67.7 °F
Average monthly precipitation 4.0 inches
Average monthly snow none
Daily chance of precipitation 32.3%
Daily chance of snow 0%
Chicago July Weather Records
1901–2024
Highest temperature 106 °F July 13, 1995
Lowest temperature 46 °F July 5, 1972
Highest daily low 85 °F July 29, 1916
Lowest daily high 61 °F July 1, 1924
Hottest average high temperature 92.1 °F 2012
Coldest average high temperature 76.0 °F 1915
Most daily precipitation 6.2 inches July 12, 1957
Most monthly precipitation 11.1 inches 2023
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
July 1 84.0 66.1 103 49
July 2 84.1 66.3 99 53
July 3 84.2 66.5 102 52
July 4 84.4 66.7 102 50
July 5 84.5 66.9 103 46
July 6 84.7 67.0 105 49
July 7 84.8 67.2 98 48
July 8 84.8 67.3 99 50
July 9 84.8 67.3 98 55
July 10 84.8 67.4 102 54
July 11 84.9 67.4 97 51
July 12 84.8 67.5 98 55
July 13 84.9 67.6 106 52
July 14 84.9 67.7 102 52
July 15 84.9 67.7 103 52
July 16 84.9 67.8 99 49
July 17 85.0 67.9 100 52
July 18 85.1 67.9 100 53
July 19 85.1 67.9 101 55
July 20 85.1 67.9 100 53
July 21 84.9 67.9 103 51
July 22 84.8 67.8 102 49
July 23 84.8 67.8 99 51
July 24 84.7 67.8 105 56
July 25 84.7 67.9 101 53
July 26 84.7 67.9 99 53
July 27 84.7 67.9 100 54
July 28 84.6 67.9 100 53
July 29 84.5 67.8 99 50
July 30 84.3 67.8 104 54
July 31 84.1 67.6 99 53
Weather Station Details
Years Station Coordinates
1944–2024 Chicago Midway Airport location
1926–1943 University of Chicago location
1901–1925 Fort Dearborn location