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Vermillion August Weather

Averages and records for weather in Vermillion, South Dakota in the month of August.

Typical Vermillion August Weather 1991–2020
Average daily high	84.5 °F
Average daily low	61.2 °F
Average monthly precipitation	2.9 inches
Average monthly snow	none
Daily chance of precipitation	23.0%
Daily chance of snow	0%

Vermillion August Weather Records 1893–2024
Highest temperature	112 °F	August 3, 1930
Lowest temperature	34 °F	August 28, 1916
Highest daily low	85 °F	August 1, 1964
Lowest daily high	60 °F	August 25, 1987
Hottest average high temperature	95.7 °F	1936
Coldest average high temperature	79.2 °F	2017
Most daily precipitation	6.4 inches	August 18, 1937
Most monthly precipitation	9.9 inches	1937
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	85.9	62.8	105	47
August 2	85.7	62.7	106	46
August 3	85.5	62.4	112	45
August 4	85.3	62.2	108	45
August 5	85.2	62.0	103	44
August 6	85.1	61.8	100	46
August 7	85.0	61.7	101	46
August 8	84.9	61.6	102	48
August 9	84.8	61.5	106	44
August 10	84.8	61.4	105	44
August 11	84.7	61.4	99	45
August 12	84.7	61.4	99	38
August 13	84.7	61.5	100	39
August 14	84.7	61.5	99	40
August 15	84.6	61.3	107	47
August 16	84.5	61.2	105	47
August 17	84.4	61.1	104	42
August 18	84.3	61.0	105	42
August 19	84.3	60.9	104	39
August 20	84.2	60.8	102	38
August 21	84.2	60.6	99	41
August 22	84.1	60.4	103	40
August 23	84.0	60.1	102	42
August 24	83.9	59.9	110	40
August 25	83.6	59.6	108	41
August 26	83.5	59.4	106	38
August 27	83.3	59.0	106	39
August 28	83.2	58.9	104	34
August 29	83.0	58.7	104	42
August 30	82.9	58.4	102	39
August 31	82.7	58.1	104	36

Weather Station Details

Years	Station	Coordinates
1893–2024	Vermillion 2 SE	location