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Vandalia August Weather

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

Typical Vandalia August Weather 1991–2020
Average daily high	85.2 °F
Average daily low	64.1 °F
Average monthly precipitation	3.3 inches
Average monthly snow	none
Daily chance of precipitation	23.2%
Daily chance of snow	0%

Vandalia August Weather Records 1911–2024
Highest temperature	106 °F	August 1, 1980
Lowest temperature	40 °F	August 30, 1946
Highest daily low	81 °F	August 8, 1913
Lowest daily high	63 °F	August 31, 2009
Hottest average high temperature	96.5 °F	1983
Coldest average high temperature	79.7 °F	2004
Most daily precipitation	3.2 inches	August 23, 2000
Most monthly precipitation	10.0 inches	1970
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	86.0	65.8	106	54
August 2	85.9	65.6	104	53
August 3	85.8	65.5	103	50
August 4	85.7	65.3	102	50
August 5	85.5	65.2	101	50
August 6	85.4	65.0	101	50
August 7	85.3	64.9	102	53
August 8	85.3	64.8	101	48
August 9	85.3	64.7	104	50
August 10	85.2	64.7	103	53
August 11	85.2	64.6	100	51
August 12	85.2	64.5	103	45
August 13	85.2	64.5	102	47
August 14	85.3	64.6	100	51
August 15	85.4	64.6	103	48
August 16	85.4	64.5	101	51
August 17	85.2	64.4	102	52
August 18	85.1	64.3	102	53
August 19	85.0	64.2	102	50
August 20	84.9	64.0	103	49
August 21	84.9	63.9	101	41
August 22	84.8	63.7	101	50
August 23	84.7	63.5	100	49
August 24	84.6	63.3	101	51
August 25	84.5	63.0	103	47
August 26	84.3	62.8	103	50
August 27	84.1	62.6	104	50
August 28	83.9	62.3	100	46
August 29	83.8	62.1	102	45
August 30	83.7	61.9	102	40
August 31	83.4	61.6	99	42

Weather Station Details

Years	Station	Coordinates
1911–2024	Vandalia	location