Davenport August Weather

Averages and records for weather in Davenport, Iowa in the month of August.
Typical Davenport August Weather
1991–2020
Average daily high 83.7 °F
Average daily low 62.7 °F
Average monthly precipitation 4.0 inches
Average monthly snow none
Daily chance of precipitation 30.4%
Daily chance of snow 0%
Davenport August Weather Records
1901–2024
Highest temperature 105 °F August 18, 1936
Lowest temperature 40 °F August 28, 1986
Highest daily low 82 °F August 6, 1918
Lowest daily high 59 °F August 25, 1987
Hottest average high temperature 92.4 °F 1947
Coldest average high temperature 76.4 °F 1915
Most daily precipitation 4.6 inches August 29, 1951
Most monthly precipitation 15.2 inches 1987
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
August 1 84.9 64.1 103 55
August 2 84.7 63.9 101 51
August 3 84.6 63.8 103 48
August 4 84.4 63.7 100 46
August 5 84.3 63.5 101 48
August 6 84.2 63.3 99 49
August 7 84.1 63.2 97 48
August 8 84.1 63.2 102 47
August 9 84.0 63.1 100 50
August 10 84.0 63.0 99 52
August 11 84.0 63.0 100 48
August 12 83.9 62.9 99 47
August 13 83.9 63.0 97 47
August 14 83.9 63.0 103 45
August 15 83.8 62.9 100 47
August 16 83.6 62.7 101 47
August 17 83.5 62.6 103 48
August 18 83.3 62.4 105 44
August 19 83.3 62.3 101 49
August 20 83.3 62.2 101 43
August 21 83.3 62.0 98 44
August 22 83.2 61.9 101 47
August 23 83.1 61.7 99 49
August 24 83.0 61.5 100 47
August 25 82.7 61.3 97 43
August 26 82.6 61.2 97 47
August 27 82.5 60.9 97 46
August 28 82.4 60.7 97 40
August 29 82.3 60.5 97 41
August 30 82.1 60.3 98 40
August 31 81.9 60.0 100 45
Weather Station Details
Years Station Coordinates
1943–2024 Moline Quad City International Airport location
1901–1943 Davenport L&D 15 location