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Hannibal August Weather

Averages and records for weather in Hannibal, Missouri in the month of August.

Typical Hannibal August Weather 1991–2020
Average daily high	84.4 °F
Average daily low	65.2 °F
Average monthly precipitation	3.9 inches
Average monthly snow	none
Daily chance of precipitation	25.9%
Daily chance of snow	0%

Hannibal August Weather Records 1933–2024
Highest temperature	110 °F	August 9, 1934
Lowest temperature	40 °F	August 31, 1999
Highest daily low	85 °F	August 22, 1936
Lowest daily high	58 °F	August 11, 1982
Hottest average high temperature	97.7 °F	1936
Coldest average high temperature	77.8 °F	2004
Most daily precipitation	4.8 inches	August 31, 1981
Most monthly precipitation	11.4 inches	1995
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)
Day	High	Low	High	Low
August 1	85.2	66.6	101	54
August 2	85.1	66.4	104	56
August 3	84.9	66.2	102	53
August 4	84.8	66.1	102	53
August 5	84.7	65.9	100	53
August 6	84.6	65.8	107	51
August 7	84.5	65.7	104	49
August 8	84.4	65.6	109	54
August 9	84.4	65.5	110	50
August 10	84.4	65.4	106	52
August 11	84.4	65.3	103	43
August 12	84.4	65.3	103	42
August 13	84.4	65.4	106	46
August 14	84.4	65.4	108	51
August 15	84.5	65.3	102	51
August 16	84.5	65.2	105	52
August 17	84.3	65.1	103	52
August 18	84.2	64.9	107	52
August 19	84.0	64.8	107	51
August 20	84.0	64.7	101	44
August 21	84.0	64.6	104	47
August 22	84.0	64.5	105	53
August 23	83.9	64.2	102	49
August 24	83.8	64.0	106	48
August 25	83.6	63.8	104	49
August 26	83.4	63.6	106	49
August 27	83.3	63.4	101	50
August 28	83.1	63.1	100	43
August 29	83.0	62.9	102	46
August 30	82.9	62.7	105	50
August 31	82.7	62.5	100	40

Weather Station Details

Years	Station	Coordinates
1933–2024	Hannibal Water Works	location