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Summit January Weather

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

Typical Summit January Weather 1991–2020
Average daily high	20.1 °F
Average daily low	2.1 °F
Average monthly precipitation	0.6 inches
Average monthly snow	10.2 inches
Daily chance of precipitation	20.8%
Daily chance of snow	16.7%

Summit January Weather Records 1956–2024
Highest temperature	64 °F	January 24, 1981
Lowest temperature	-38 °F	January 30, 2019
Highest daily low	32 °F	January 25, 1968
Lowest daily high	-24 °F	January 18, 1994
Hottest average high temperature	34.5 °F	1990
Coldest average high temperature	5.2 °F	1994
Most daily precipitation	0.7 inches	January 30, 2001
Most monthly precipitation	1.4 inches	1999
Most daily snow	22.0 inches	January 4, 1997
Most monthly snow	29.0 inches	1997

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
January 1	21.2	4.1	39	-30
January 2	21.0	3.8	42	-31
January 3	20.8	3.6	42	-23
January 4	20.6	3.2	46	-31
January 5	20.5	2.9	54	-27
January 6	20.3	2.8	44	-26
January 7	20.2	2.7	46	-28
January 8	20.2	2.7	49	-25
January 9	20.1	2.5	49	-31
January 10	20.0	2.4	51	-28
January 11	19.8	2.2	49	-21
January 12	19.8	2.1	53	-24
January 13	19.8	2.0	52	-25
January 14	19.9	2.0	46	-34
January 15	20.0	2.0	41	-35
January 16	20.1	1.9	41	-35
January 17	20.2	2.0	44	-27
January 18	20.3	2.1	44	-35
January 19	20.5	2.3	43	-36
January 20	20.6	2.3	41	-34
January 21	20.7	2.4	46	-27
January 22	20.9	2.6	52	-27
January 23	21.0	2.7	56	-27
January 24	21.1	2.8	64	-31
January 25	21.1	2.7	48	-27
January 26	21.2	2.8	43	-24
January 27	21.4	2.8	45	-27
January 28	21.6	2.9	43	-28
January 29	21.7	3.0	45	-30
January 30	22.0	3.2	45	-38
January 31	22.1	3.4	51	-29

Weather Station Details

Years	Station	Coordinates
1956–2024	Summit 1 W	location