< Previous Month Next Month >

Summit August Weather

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

Typical Summit August Weather 1991–2020
Average daily high	79.8 °F
Average daily low	56.3 °F
Average monthly precipitation	3.0 inches
Average monthly snow	none
Daily chance of precipitation	27.4%
Daily chance of snow	0%

Summit August Weather Records 1956–2024
Highest temperature	102 °F	August 13, 1965
Lowest temperature	32 °F	August 31, 1987
Highest daily low	75 °F	August 16, 1988
Lowest daily high	55 °F	August 25, 1992
Hottest average high temperature	88.9 °F	1983
Coldest average high temperature	74.6 °F	2004
Most daily precipitation	4.0 inches	August 6, 2022
Most monthly precipitation	7.1 inches	2017
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	80.8	57.5	99	44
August 2	80.7	57.4	97	41
August 3	80.6	57.2	95	40
August 4	80.4	57.0	98	42
August 5	80.3	56.9	94	41
August 6	80.2	56.8	96	44
August 7	80.1	56.8	97	44
August 8	80.1	56.7	96	46
August 9	80.1	56.6	95	43
August 10	80.1	56.6	92	36
August 11	80.1	56.6	96	38
August 12	80.1	56.6	93	42
August 13	80.1	56.6	102	36
August 14	80.0	56.5	96	40
August 15	79.9	56.4	94	40
August 16	79.8	56.3	98	47
August 17	79.7	56.2	97	36
August 18	79.6	56.2	100	38
August 19	79.5	56.1	99	36
August 20	79.5	56.0	95	38
August 21	79.4	55.9	95	36
August 22	79.3	55.8	98	39
August 23	79.2	55.5	95	36
August 24	79.0	55.3	95	39
August 25	78.8	55.0	93	38
August 26	78.6	54.8	94	37
August 27	78.4	54.5	97	33
August 28	78.2	54.4	95	34
August 29	78.0	54.2	97	37
August 30	77.8	53.9	91	38
August 31	77.5	53.6	90	32

Weather Station Details

Years	Station	Coordinates
1956–2024	Summit 1 W	location