Quincy July Weather

Averages and records for weather in Quincy, Illinois in the month of July.
Typical Quincy July Weather
1991–2020
Average daily high 86.0 °F
Average daily low 66.5 °F
Average monthly precipitation 3.5 inches
Daily chance of precipitation 29.3%
Quincy July Weather Records
1901–2024
Highest temperature 114 °F July 15, 1936
Lowest temperature 47 °F July 14, 1950
Highest daily low 87 °F July 21, 1934
Lowest daily high 64 °F July 3, 2016
Hottest average high temperature 101.6 °F 1934
Coldest average high temperature 80.4 °F 2009
Most daily precipitation 4.6 inches July 22, 1951
Most monthly precipitation 13.2 inches 1981
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 85.0 65.6 104 52
July 2 85.2 65.7 103 50
July 3 85.3 65.8 104 51
July 4 85.4 66.0 103 48
July 5 85.5 66.1 104 50
July 6 85.7 66.2 105 50
July 7 85.8 66.3 105 51
July 8 85.8 66.4 102 52
July 9 85.9 66.5 102 50
July 10 85.9 66.5 106 53
July 11 86.0 66.6 106 53
July 12 86.1 66.6 109 54
July 13 86.1 66.7 108 51
July 14 86.1 66.7 112 47
July 15 86.1 66.7 114 52
July 16 86.1 66.6 111 52
July 17 86.1 66.6 104 54
July 18 86.2 66.6 108 55
July 19 86.2 66.6 108 56
July 20 86.2 66.6 109 55
July 21 86.2 66.6 110 52
July 22 86.0 66.5 111 50
July 23 85.9 66.4 112 53
July 24 85.9 66.3 111 52
July 25 85.8 66.3 109 53
July 26 85.9 66.3 107 51
July 27 85.8 66.2 105 50
July 28 85.7 66.2 104 49
July 29 85.7 66.1 105 50
July 30 85.6 66.1 106 48
July 31 85.4 65.9 103 50
Weather Station Details
Years Station Coordinates
1949–2024 Quincy Regional Airport location
1901–1948 Quincy location