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Rapid City January Weather

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

Typical Rapid City January Weather 1991–2020
Average daily high	36.5 °F
Average daily low	12.6 °F
Average monthly precipitation	0.3 inches
Average monthly snow	5.3 inches
Daily chance of precipitation	18.3%
Daily chance of snow	19.8%

Rapid City January Weather Records 1948–2024
Highest temperature	76 °F	January 12, 1987
Lowest temperature	-27 °F	January 4, 1950
Highest daily low	41 °F	January 11, 1995
Lowest daily high	-11 °F	January 26, 1972
Hottest average high temperature	49.5 °F	2006
Coldest average high temperature	17.2 °F	1979
Most daily precipitation	0.7 inches	January 30, 1971
Most monthly precipitation	1.7 inches	1949
Most daily snow	8.5 inches	January 3, 1949
Most monthly snow	24.0 inches	1949

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	35.3	11.9	63	-20
January 2	35.2	11.8	66	-16
January 3	35.1	11.7	61	-24
January 4	35.1	11.7	62	-27
January 5	35.1	11.7	73	-17
January 6	35.3	11.9	64	-21
January 7	35.6	12.2	64	-18
January 8	35.6	12.3	72	-18
January 9	35.7	12.2	74	-20
January 10	35.8	12.2	66	-24
January 11	35.8	12.2	68	-21
January 12	35.9	12.2	76	-18
January 13	36.0	12.3	62	-21
January 14	36.2	12.4	69	-23
January 15	36.3	12.6	63	-22
January 16	36.5	12.7	68	-26
January 17	36.7	12.8	62	-12
January 18	36.8	12.8	59	-22
January 19	37.0	13.0	66	-26
January 20	37.2	13.1	64	-25
January 21	37.3	13.2	64	-25
January 22	37.5	13.3	62	-18
January 23	37.5	13.4	68	-21
January 24	37.5	13.4	69	-22
January 25	37.3	13.3	66	-21
January 26	37.4	13.2	68	-23
January 27	37.4	13.2	73	-23
January 28	37.3	13.2	66	-23
January 29	37.5	13.2	64	-25
January 30	37.7	13.4	72	-24
January 31	37.7	13.5	68	-21

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location