Rapid City Weather in 2021

Historical record of Rapid City, South Dakota weather for the year 2021 based on NOAA data.

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2021 Rapid City Weather Extremes
Highest temperature	107 °F	July 27
Lowest temperature	-24 °F	February 13
Highest daily low	68 °F	July 28
Lowest daily high	-8 °F	February 14
Most daily precipitation	1.9 inches	June 8
Total annual precipitation	16.4 inches	-

What was the hottest temperature in Rapid City in 2021?

The highest temperature recorded in Rapid City, South Dakota in 2021 was 107 °F which happened on July 27.

Highest Temperatures: All-Time By Year

Highest Temperatures in Rapid City in 2021

Rank	Temperature	Date
1	107 °F	Jul 27
2	105 °F	Aug 17
3	101 °F	Jul 25
4	100 °F	Jul 28
5	99 °F	Jul 26
5	99 °F	Jul 5
5	99 °F	Jun 15
8	98 °F	Aug 23
8	98 °F	Aug 16
8	98 °F	Aug 15
8	98 °F	Aug 8
8	98 °F	Jun 23
8	98 °F	Jun 8

What was the coldest temperature in Rapid City in 2021?

The lowest temperature recorded in Rapid City, South Dakota in 2021 was -24 °F which happened on Feb 13.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Rapid City in 2021

Rank	Temperature	Date
1	-24 °F	February 13
2	-23 °F	February 14
3	-17 °F	February 15
3	-17 °F	February 8
5	-13 °F	February 7
6	-12 °F	February 16
6	-12 °F	February 12
6	-12 °F	February 11
9	-10 °F	February 9
10	-9 °F	February 10

January 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	50	16	0.00
January 2	48	15	0.00
January 3	50	21	0.00
January 4	49	21	0.00
January 5	50	22	0.00
January 6	47	18	0.00
January 7	37	11	0.00
January 8	30	23	0.00
January 9	31	27	0.00
January 10	44	15	0.00
January 11	53	19	0.00
January 12	55	23	0.00
January 13	52	34	0.00
January 14	38	28	0.00
January 15	38	19	0.00
January 16	44	20	0.00
January 17	42	17	0.03
January 18	37	13	0.00
January 19	39	19	0.00
January 20	48	18	0.00
January 21	38	21	0.00
January 22	33	18	0.00
January 23	32	17	0.00
January 24	33	10	0.00
January 25	22	16	0.00
January 26	19	13	0.01
January 27	28	5	0.00
January 28	51	12	0.00
January 29	46	20	0.00
January 30	38	20	0.00
January 31	51	13	0.00

February 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	51	14	0.00
February 2	55	17	0.00
February 3	59	20	0.00
February 4	39	10	0.00
February 5	27	12	0.09
February 6	12	-3	0.07
February 7	2	-13	0.07
February 8	3	-17	0.01
February 9	1	-10	0.00
February 10	3	-9	0.02
February 11	1	-12	0.11
February 12	-5	-12	0.07
February 13	-4	-24	0.01
February 14	-8	-23	0.00
February 15	3	-17	0.00
February 16	4	-12	0.01
February 17	18	2	0.00
February 18	20	-1	0.00
February 19	26	-5	0.00
February 20	37	10	0.00
February 21	40	18	0.00
February 22	57	28	0.00
February 23	49	22	0.00
February 24	39	16	0.00
February 25	47	10	0.00
February 26	46	19	0.00
February 27	36	14	0.12
February 28	33	10	0.00

March 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	54	16	0.00
March 2	59	26	0.00
March 3	63	29	0.00
March 4	63	25	0.00
March 5	64	30	0.00
March 6	70	26	0.00
March 7	61	32	0.00
March 8	62	28	0.00
March 9	54	36	0.00
March 10	36	19	0.06
March 11	46	17	0.00
March 12	50	21	0.00
March 13	53	22	0.10
March 14	40	28	0.55
March 15	33	26	0.12
March 16	34	21	0.00
March 17	42	24	0.00
March 18	39	23	0.00
March 19	57	27	0.00
March 20	68	32	0.00
March 21	53	29	0.00
March 22	56	23	0.00
March 23	51	32	0.00
March 24	51	26	0.00
March 25	57	22	0.00
March 26	48	32	0.06
March 27	50	25	0.00
March 28	71	22	0.00
March 29	70	32	0.00
March 30	41	16	0.00
March 31	49	11	0.00

April 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	72	20	0.00
April 2	78	36	0.00
April 3	78	36	0.00
April 4	80	34	0.00
April 5	70	43	0.00
April 6	43	32	0.22
April 7	58	32	0.00
April 8	68	29	0.00
April 9	49	26	0.00
April 10	66	22	0.00
April 11	50	28	0.00
April 12	44	26	0.00
April 13	42	26	0.00
April 14	39	27	0.00
April 15	35	28	0.22
April 16	44	29	0.08
April 17	55	23	0.00
April 18	65	29	0.12
April 19	32	22	0.15
April 20	37	19	0.04
April 21	46	18	0.00
April 22	56	22	0.00
April 23	39	28	0.00
April 24	54	29	0.00
April 25	61	33	0.00
April 26	63	37	0.04
April 27	56	36	0.09
April 28	68	33	0.00
April 29	74	37	0.00
April 30	86	44	0.00

May 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	80	54	0.08
May 2	58	45	0.03
May 3	59	33	0.00
May 4	64	31	0.02
May 5	60	34	0.09
May 6	65	35	0.00
May 7	70	35	0.00
May 8	50	36	0.00
May 9	50	36	0.05
May 10	54	33	0.00
May 11	61	31	0.00
May 12	65	31	0.01
May 13	68	31	0.02
May 14	67	38	0.00
May 15	67	44	0.03
May 16	73	47	0.00
May 17	72	41	0.00
May 18	81	50	0.00
May 19	80	49	0.00
May 20	84	49	0.38
May 21	56	40	0.07
May 22	56	39	0.00
May 23	65	44	1.35
May 24	75	42	0.00
May 25	75	45	0.00
May 26	52	40	0.35
May 27	47	40	0.00
May 28	66	39	0.00
May 29	67	44	0.00
May 30	72	42	0.00
May 31	75	41	0.00

June 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	78	50	0.03
June 2	82	48	0.00
June 3	87	49	0.00
June 4	96	54	0.00
June 5	95	57	0.00
June 6	87	56	0.00
June 7	94	56	0.00
June 8	98	59	1.91
June 9	86	58	0.00
June 10	92	65	0.00
June 11	73	49	0.00
June 12	88	47	0.00
June 13	87	58	0.00
June 14	88	59	0.00
June 15	99	64	0.00
June 16	89	56	0.00
June 17	87	53	0.00
June 18	89	53	0.00
June 19	88	52	0.06
June 20	73	53	0.03
June 21	78	48	0.01
June 22	88	46	0.00
June 23	98	51	0.00
June 24	84	61	0.28
June 25	72	57	0.01
June 26	77	51	0.00
June 27	80	53	0.19
June 28	80	54	0.00
June 29	84	50	0.00
June 30	88	53	0.00

July 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	90	59	0.00
July 2	93	62	0.00
July 3	96	66	0.00
July 4	95	64	0.00
July 5	99	64	0.69
July 6	82	61	0.00
July 7	89	61	0.00
July 8	90	61	0.05
July 9	87	62	0.06
July 10	84	57	0.05
July 11	90	53	0.00
July 12	89	58	0.00
July 13	81	57	1.01
July 14	76	57	0.05
July 15	88	57	0.00
July 16	89	61	0.13
July 17	89	60	0.01
July 18	93	58	0.00
July 19	92	61	0.00
July 20	93	64	0.00
July 21	92	65	0.12
July 22	97	66	0.03
July 23	91	65	0.00
July 24	91	63	0.00
July 25	101	61	0.00
July 26	99	64	0.00
July 27	107	61	0.00
July 28	100	68	0.00
July 29	88	61	0.01
July 30	76	56	0.28
July 31	88	56	0.00

August 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	89	55	0.00
August 2	94	54	0.00
August 3	93	56	0.00
August 4	89	65	0.02
August 5	93	59	0.04
August 6	91	58	0.04
August 7	89	54	0.00
August 8	98	55	0.00
August 9	83	59	0.00
August 10	94	53	0.00
August 11	95	55	0.00
August 12	84	57	0.00
August 13	86	55	0.00
August 14	94	58	0.01
August 15	98	57	0.00
August 16	98	57	0.00
August 17	105	58	0.00
August 18	85	62	0.00
August 19	68	56	0.38
August 20	73	51	0.19
August 21	80	43	0.00
August 22	86	53	0.00
August 23	98	50	0.00
August 24	84	54	0.00
August 25	82	54	0.02
August 26	83	53	1.44
August 27	86	56	0.00
August 28	78	47	0.00
August 29	82	46	0.00
August 30	87	57	0.00
August 31	86	57	0.00

September 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	78	62	0.00
September 2	80	58	0.00
September 3	70	52	0.29
September 4	76	46	0.00
September 5	86	51	0.00
September 6	96	55	0.00
September 7	81	51	0.00
September 8	80	49	0.00
September 9	88	50	0.00
September 10	93	55	0.00
September 11	82	57	0.00
September 12	82	52	0.05
September 13	76	56	0.09
September 14	75	50	0.10
September 15	87	48	0.00
September 16	78	46	0.00
September 17	72	37	0.00
September 18	96	49	0.00
September 19	91	51	0.09
September 20	66	42	0.05
September 21	68	37	0.00
September 22	82	38	0.00
September 23	82	43	0.00
September 24	70	41	0.02
September 25	86	38	0.00
September 26	91	54	0.00
September 27	93	48	0.00
September 28	94	55	0.00
September 29	68	49	0.02
September 30	70	46	0.00

October 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	73	42	0.00
October 2	77	41	0.00
October 3	82	40	0.00
October 4	87	44	0.00
October 5	90	52	0.00
October 6	85	50	0.00
October 7	80	51	0.02
October 8	77	50	0.00
October 9	68	49	0.17
October 10	68	41	0.00
October 11	64	40	0.00
October 12	52	32	1.63
October 13	45	31	0.52
October 14	50	27	0.00
October 15	54	30	0.00
October 16	67	30	0.00
October 17	78	34	0.00
October 18	78	38	0.00
October 19	54	32	0.23
October 20	40	26	0.19
October 21	58	25	0.00
October 22	62	37	0.00
October 23	55	36	0.00
October 24	59	34	0.00
October 25	63	35	0.00
October 26	51	39	0.00
October 27	61	39	0.00
October 28	56	31	0.00
October 29	73	31	0.00
October 30	57	36	0.00
October 31	40	32	0.00

November 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	43	19	0.00
November 2	48	16	0.00
November 3	61	21	0.00
November 4	64	29	0.00
November 5	68	36	0.00
November 6	76	32	0.00
November 7	66	36	0.00
November 8	46	33	0.14
November 9	55	32	0.01
November 10	51	31	0.02
November 11	44	25	0.00
November 12	43	23	0.00
November 13	66	27	0.00
November 14	55	30	0.00
November 15	69	38	0.00
November 16	67	25	0.00
November 17	39	16	0.00
November 18	46	9	0.00
November 19	53	22	0.00
November 20	46	24	0.00
November 21	42	21	0.00
November 22	59	27	0.00
November 23	66	30	0.00
November 24	40	11	0.00
November 25	47	11	0.00
November 26	69	30	0.00
November 27	52	24	0.00
November 28	59	21	0.00
November 29	63	39	0.01
November 30	56	33	0.01

December 2021 Rapid City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	74	30	0.00
December 2	75	40	0.00
December 3	44	32	0.00
December 4	32	24	0.00
December 5	38	11	0.00
December 6	26	3	0.00
December 7	34	9	0.00
December 8	57	22	0.00
December 9	44	28	0.07
December 10	28	8	0.50
December 11	38	8	0.00
December 12	46	25	0.00
December 13	43	30	0.00
December 14	51	32	0.00
December 15	38	22	0.00
December 16	31	15	0.00
December 17	22	1	0.00
December 18	20	-4	0.00
December 19	53	17	0.00
December 20	26	15	0.00
December 21	44	21	0.00
December 22	47	18	0.00
December 23	57	26	0.00
December 24	51	19	0.00
December 25	29	12	0.00
December 26	30	9	0.00
December 27	14	-3	0.00
December 28	22	-7	0.02
December 29	16	4	0.01
December 30	26	-2	0.00
December 31	16	-5	0.01

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Weather Station Details

Years	Station	Coordinates
1948–2023	Rapid City Regional Airport	location