Rapid City January 21 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of January 21.

January 21 All-Time Records 1948–2024
Highest temperature	64 °F	1989
Lowest temperature	-25 °F	1949
Lowest daily high	-1 °F	1962
Highest daily low	38 °F	1950
Most precipitation	0.28 inches	1986
Most snow	3.3 inches	1986

January 21 All-Time Records
1948–2024

Highest temperature

64 °F

-25 °F

-1 °F

Highest daily low

38 °F

0.28 inches

3.3 inches

January 21 Average Weather 1991–2020 ¹
Average high	37.3 °F
Average low	13.2 °F
Chance precipitation	22.9%
Chance snow	21.2%

January 21 Average Weather
1991–2020 ¹

Average high

37.3 °F

Average low

13.2 °F

Chance precipitation

22.9%

Chance snow

21.2%

Rapid City January 21 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	55	23	0.00	n/a
2023	40	18	0.00	n/a
2022	46	23	0.02	n/a
2021	38	21	0.00	n/a
2020	56	29	0.00	n/a
2019	21	14	0.09	1.6
2018	35	27	0.01	0.3
2017	44	24	0.00	0.0
2016	35	22	0.00	0.0
2015	35	15	0.00	0.0
2014	50	11	0.00	0.0
2013	19	5	0.01	0.7
2012	56	9	0.00	0.0
2011	40	18	0.02	0.3
2010	41	21	0.00	0.0
2009	61	24	0.00	0.0
2008	7	-12	0.02	0.2
2007	35	12	0.00	0.1
2006	48	19	0.00	0.0
2005	58	15	0.00	n/a
2004	39	20	0.00	n/a
2003	12	5	0.01	n/a
2002	54	21	0.00	n/a
2001	48	17	0.00	0.0
2000	43	15	0.00	0.0
1999	42	27	0.00	0.0
1998	21	11	0.00	n/a
1997	47	26	0.00	n/a
1996	50	9	0.03	0.9
1995	29	16	0.00	0.0
1994	44	21	0.00	0.0
1993	42	18	0.02	0.0
1992	55	27	0.00	0.0
1991	34	13	0.00	0.0
1990	49	24	0.00	0.0
1989	64	30	0.00	0.0
1988	42	9	0.00	0.0
1987	35	13	0.03	0.4
1986	27	15	0.28	3.3
1985	20	8	0.00	0.1
1984	33	9	0.00	0.0
1983	43	16	0.00	0.0
1982	3	-1	0.01	0.2
1981	59	23	0.00	0.0
1980	39	15	0.00	0.0
1979	43	18	0.00	0.0
1978	32	4	0.00	0.0
1977	36	15	0.00	0.0
1976	52	25	0.00	0.0
1975	35	22	0.00	0.0
1974	30	13	0.10	1.3
1973	40	20	0.00	0.0
1972	54	15	0.00	0.0
1971	36	19	0.00	0.0
1970	36	9	0.00	0.0
1969	23	4	0.00	0.0
1968	58	32	0.00	0.0
1967	59	29	0.00	0.0
1966	8	-18	0.00	0.0
1965	42	27	0.00	0.0
1964	60	21	0.00	0.0
1963	43	5	0.04	0.6
1962	-1	-14	0.05	0.4
1961	31	6	0.00	0.0
1960	15	-1	0.01	0.1
1959	13	-15	0.00	0.0
1958	48	10	0.00	0.0
1957	15	3	0.00	0.0
1956	17	8	0.03	0.3
1955	24	12	0.03	0.3
1954	3	-12	0.00	0.0
1953	44	27	0.09	0.3
1952	29	-6	0.01	0.1
1951	46	4	0.00	0.0
1950	50	38	0.00	0.0
1949	6	-25	0.00	0.0

What's the all-time high for Rapid City on 1/21?

For the date of Jan 21, the highest temperature ever reached in Rapid City history is 64 °F which happened in 1989.

Highest Temperatures in Rapid City on January 21

Rank	Temperature	Year
1	64 °F	1989
2	61 °F	2009
3	60 °F	1964
4	59 °F	1967
4	59 °F	1981
6	58 °F	1968
6	58 °F	2005
8	56 °F	2020
8	56 °F	2012
10	55 °F	1992
10	55 °F	2024

What's the all-time low for Rapid City on 1/21?

For the date of Jan 21, the lowest temperature ever reached in Rapid City history is -25 °F which happened in 1949.

Lowest Temperatures in Rapid City on January 21

Rank	Temperature	Year
1	-25 °F	1949
2	-18 °F	1966
3	-15 °F	1959
4	-14 °F	1962
5	-12 °F	2008
5	-12 °F	1954
7	-6 °F	1952
8	-1 °F	1960
8	-1 °F	1982
10	3 °F	1957

Lowest High Temperatures in Rapid City on January 21

Rank	Temperature	Year
1	-1 °F	1962
2	3 °F	1954
2	3 °F	1982
4	6 °F	1949
5	7 °F	2008
6	8 °F	1966
7	12 °F	2003
8	13 °F	1959
9	15 °F	1960
9	15 °F	1957

What's the most it has ever rained in Rapid City on 1/21?

For the date of Jan 21, the most precipitation ever recorded in Rapid City history is 0.28 inches which happened in 1986.

All-Time Most Precipitation in Rapid City on January 21

Rank	Precipitation	Year
1	0.28 inches	1986
2	0.10 inches	1974
3	0.09 inches	2019
3	0.09 inches	1953
5	0.05 inches	1962
6	0.04 inches	1963
7	0.03 inches	1955
7	0.03 inches	1987
7	0.03 inches	1996
7	0.03 inches	1956

All-Time Most Snow in Rapid City on January 21

Rank	Precipitation	Year
1	3.3 inches	1986
2	1.6 inches	2019
3	1.3 inches	1974
4	0.9 inches	1996
5	0.7 inches	2013
6	0.6 inches	1963
7	0.4 inches	1987
7	0.4 inches	1962
9	0.3 inches	2011
9	0.3 inches	2018
9	0.3 inches	1956
9	0.3 inches	1953
9	0.3 inches	1955

Weather Station Details

Years	Station	Coordinates
1948–2024	Rapid City Regional Airport	location