Cape Girardeau August Weather

Averages and records for weather in Cape Girardeau, Missouri in the month of August.
Typical Cape Girardeau August Weather
1991–2020
Average daily high 88.3 °F
Average daily low 66.0 °F
Average monthly precipitation 3.1 inches
Daily chance of precipitation 25.9%
Cape Girardeau August Weather Records
1945–2024
Highest temperature 105 °F August 4, 1964
Lowest temperature 45 °F August 29, 1986
Highest daily low 81 °F August 5, 1954
Lowest daily high 65 °F August 15, 1964
Hottest average high temperature 96.1 °F 2007
Coldest average high temperature 82.9 °F 1950
Most daily precipitation 5.2 inches August 12, 1952
Most monthly precipitation 11.2 inches 2023
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 88.7 67.6 99 54
August 2 88.7 67.5 100 57
August 3 88.6 67.3 104 54
August 4 88.6 67.2 105 52
August 5 88.5 67.1 102 51
August 6 88.4 66.9 102 52
August 7 88.3 66.8 99 50
August 8 88.3 66.7 99 52
August 9 88.3 66.6 101 53
August 10 88.3 66.4 99 54
August 11 88.2 66.3 98 53
August 12 88.3 66.3 102 49
August 13 88.3 66.2 98 46
August 14 88.4 66.1 98 46
August 15 88.4 66.1 104 49
August 16 88.3 66.0 103 47
August 17 88.3 66.0 102 52
August 18 88.1 65.8 101 49
August 19 87.9 65.7 98 52
August 20 87.9 65.5 101 50
August 21 87.9 65.4 100 49
August 22 87.8 65.2 102 52
August 23 87.7 65.0 99 52
August 24 87.5 64.8 100 51
August 25 87.3 64.6 101 52
August 26 87.2 64.3 101 51
August 27 87.0 64.1 101 51
August 28 86.9 63.8 101 48
August 29 86.8 63.6 101 45
August 30 86.7 63.4 100 48
August 31 86.5 63.1 101 49
Weather Station Details
Years Station Coordinates
1960–2024 Cape Girardeau Municipal Airport location
1945–1960 Cape Girardeau Missour State University location