Sumter Weather in 2021

Historical record of Sumter, South Carolina weather for the year 2021 based on NOAA data.

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2021 Sumter Weather Extremes
Highest temperature	94 °F	August 19
Lowest temperature	21 °F	February 5
Highest daily low	75 °F	August 18
Lowest daily high	37 °F	February 13
Most daily precipitation	3.3 inches	June 3
Most daily snow	none	-
Total annual precipitation	42.3 inches	-
Total annual snow	none	-

What was the hottest temperature in Sumter in 2021?

The highest temperature recorded in Sumter, South Carolina in 2021 was 94 °F which happened on August 19.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sumter in 2021

Rank	Temperature	Date
1	94 °F	Aug 19
2	93 °F	Aug 25
2	93 °F	Aug 12
2	93 °F	Aug 1
2	93 °F	Jul 31
2	93 °F	May 25
7	92 °F	Sep 1
7	92 °F	Aug 31
7	92 °F	Aug 30
7	92 °F	Aug 29
7	92 °F	Aug 11
7	92 °F	Jul 30
7	92 °F	Jul 29
7	92 °F	May 27
7	92 °F	May 26
7	92 °F	May 24

What was the coldest temperature in Sumter in 2021?

The lowest temperature recorded in Sumter, South Carolina in 2021 was 21 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sumter in 2021

Rank	Temperature	Date
1	21 °F	February 5
1	21 °F	February 4
3	22 °F	February 3
3	22 °F	January 30
3	22 °F	January 29
6	24 °F	January 28
7	25 °F	January 10
8	26 °F	March 8
8	26 °F	March 7
8	26 °F	January 17
8	26 °F	January 16
8	26 °F	January 9

January 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	62	50	1.20
January 2	64	52	0.86
January 3	61	40	0.00
January 4	56	35	0.04
January 5	57	31	0.00
January 6	48	28	0.00
January 7	50	28	0.82
January 8	41	35	0.22
January 9	50	26	0.00
January 10	50	25	0.00
January 11	48	32	0.36
January 12	49	33	0.00
January 13	44	33	0.00
January 14	56	31	0.00
January 15	50	31	0.46
January 16	46	26	0.00
January 17	49	26	0.00
January 18	53	27	0.00
January 19	59	27	0.00
January 20	61	45	0.00
January 21	54	42	0.06
January 22	55	34	0.00
January 23	55	30	0.00
January 24	54	29	0.00
January 25	61	45	0.05
January 26	68	55	0.22
January 27	57	40	0.15
January 28	48	24	0.02
January 29	46	22	0.00
January 30	47	22	0.01
January 31	51	37	0.90

February 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	39	33	0.11
February 2	43	28	0.03
February 3	50	22	0.00
February 4	51	21	0.00
February 5	54	21	0.03
February 6	48	36	0.62
February 7	53	28	0.00
February 8	57	28	0.00
February 9	65	44	0.00
February 10	63	49	0.00
February 11	64	39	0.23
February 12	39	34	0.60
February 13	37	33	1.10
February 14	39	35	0.44
February 15	61	37	0.50
February 16	56	28	0.00
February 17	44	31	0.29
February 18	39	34	2.51
February 19	50	31	0.03
February 20	51	28	0.00
February 21	50	29	0.02
February 22	65	29	0.37
February 23	67	33	0.00
February 24	73	35	0.00
February 25	73	45	0.00
February 26	62	45	0.00
February 27	78	45	0.00
February 28	81	63	0.00

March 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	74	46	0.12
March 2	48	39	0.36
March 3	60	34	0.06
March 4	70	34	0.00
March 5	59	40	0.00
March 6	53	28	0.00
March 7	54	26	0.00
March 8	62	26	0.00
March 9	69	31	0.00
March 10	72	38	0.00
March 11	73	42	0.00
March 12	80	45	0.00
March 13	73	50	0.00
March 14	72	51	0.00
March 15	61	42	0.03
March 16	55	39	0.83
March 17	55	45	0.00
March 18	73	50	0.04
March 19	55	34	0.00
March 20	51	34	0.13
March 21	63	41	0.00
March 22	72	48	0.00
March 23	70	49	0.00
March 24	75	54	0.00
March 25	81	54	0.00
March 26	78	61	0.05
March 27	86	61	0.00
March 28	83	49	0.17
March 29	68	37	0.00
March 30	73	37	0.00
March 31	81	51	0.36

April 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	58	33	0.54
April 2	52	28	0.00
April 3	60	29	0.00
April 4	73	34	0.00
April 5	78	40	0.00
April 6	83	45	0.00
April 7	84	49	0.00
April 8	82	54	0.00
April 9	79	55	0.00
April 10	78	58	0.06
April 11	76	50	0.08
April 12	82	49	0.00
April 13	82	49	0.00
April 14	85	52	0.00
April 15	74	46	0.00
April 16	68	46	0.00
April 17	74	52	0.00
April 18	76	51	0.00
April 19	76	44	0.00
April 20	74	44	0.00
April 21	78	33	0.00
April 22	62	33	0.00
April 23	70	34	0.00
April 24	66	49	0.24
April 25	74	45	0.00
April 26	77	47	0.00
April 27	82	47	0.00
April 28	84	48	0.00
April 29	86	65	0.00
April 30	79	50	0.00

May 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	78	50	0.00
May 2	81	50	0.00
May 3	83	62	0.73
May 4	87	62	0.06
May 5	80	56	0.00
May 6	76	54	0.00
May 7	72	43	0.00
May 8	77	43	0.00
May 9	83	52	0.00
May 10	78	59	0.00
May 11	78	59	1.11
May 12	59	42	0.61
May 13	70	43	0.00
May 14	73	44	0.00
May 15	77	44	0.00
May 16	79	49	0.00
May 17	83	50	0.00
May 18	80	59	0.00
May 19	82	56	0.00
May 20	83	55	0.00
May 21	84	53	0.00
May 22	86	54	0.00
May 23	91	62	0.00
May 24	92	64	0.00
May 25	93	65	0.00
May 26	92	67	0.00
May 27	92	68	0.00
May 28	91	68	0.00
May 29	85	57	0.01
May 30	71	50	0.00
May 31	79	53	0.00

June 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	81	52	0.01
June 2	77	64	1.00
June 3	76	68	3.33
June 4	87	68	0.00
June 5	85	69	0.11
June 6	87	71	0.05
June 7	87	71	0.36
June 8	82	70	0.07
June 9	88	70	0.06
June 10	90	71	0.00
June 11	90	71	0.00
June 12	87	69	0.28
June 13	83	67	0.00
June 14	90	69	0.00
June 15	91	63	0.00
June 16	87	64	0.00
June 17	86	57	0.00
June 18	90	58	0.00
June 19	89	70	0.16
June 20	87	72	0.46
June 21	90	72	0.04
June 22	81	64	0.07
June 23	84	61	0.00
June 24	81	57	0.00
June 25	83	61	0.00
June 26	86	68	0.28
June 27	89	67	0.00
June 28	86	67	0.05
June 29	87	67	0.00
June 30	91	71	0.00

July 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	91	70	0.35
July 2	79	66	0.99
July 3	82	61	0.00
July 4	88	60	0.00
July 5	90	64	0.00
July 6	89	64	0.00
July 7	88	70	2.90
July 8	85	71	0.13
July 9	91	68	0.30
July 10	87	70	0.71
July 11	90	71	0.17
July 12	90	71	0.00
July 13	88	70	0.50
July 14	91	71	0.00
July 15	89	71	0.00
July 16	91	73	0.00
July 17	90	68	0.30
July 18	89	69	0.28
July 19	82	70	0.39
July 20	79	70	0.92
July 21	90	70	0.00
July 22	88	67	0.00
July 23	87	66	0.00
July 24	88	66	0.00
July 25	88	66	0.00
July 26	91	69	0.00
July 27	91	71	0.91
July 28	91	73	0.00
July 29	92	74	0.00
July 30	92	74	0.00
July 31	93	72	0.00

August 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	93	70	0.22
August 2	87	70	0.00
August 3	88	66	0.64
August 4	76	65	0.00
August 5	81	65	0.28
August 6	81	69	0.07
August 7	85	67	0.13
August 8	88	67	0.00
August 9	89	68	0.00
August 10	91	73	0.00
August 11	92	73	0.00
August 12	93	73	0.00
August 13	91	72	0.00
August 14	91	72	0.00
August 15	86	71	0.19
August 16	87	72	0.04
August 17	84	74	0.30
August 18	91	75	0.00
August 19	94	73	0.00
August 20	91	72	0.00
August 21	90	72	0.06
August 22	80	71	0.25
August 23	80	71	0.00
August 24	87	72	0.00
August 25	93	72	0.00
August 26	91	71	0.00
August 27	91	71	0.00
August 28	90	72	0.00
August 29	92	70	0.00
August 30	92	71	0.00
August 31	92	71	0.00

September 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	92	74	0.00
September 2	83	69	0.00
September 3	86	58	0.00
September 4	84	57	0.00
September 5	85	60	0.00
September 6	86	62	0.00
September 7	91	68	0.00
September 8	88	72	0.00
September 9	88	71	0.17
September 10	83	59	0.03
September 11	83	56	0.00
September 12	82	59	0.00
September 13	84	61	0.00
September 14	86	62	0.00
September 15	87	68	0.00
September 16	89	70	0.03
September 17	87	67	0.00
September 18	89	67	0.00
September 19	85	67	0.00
September 20	87	70	0.00
September 21	84	71	0.00
September 22	81	72	0.65
September 23	85	60	2.27
September 24	77	54	0.00
September 25	76	51	0.00
September 26	78	53	0.00
September 27	81	57	0.00
September 28	83	59	0.00
September 29	84	63	0.00
September 30	81	64	0.00

October 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	82	65	0.00
October 2	84	59	0.00
October 3	84	60	0.00
October 4	83	62	0.00
October 5	85	66	0.00
October 6	81	67	0.59
October 7	81	70	0.00
October 8	80	69	0.00
October 9	73	68	0.00
October 10	76	66	0.00
October 11	79	62	0.00
October 12	72	66	0.00
October 13	75	56	0.00
October 14	81	57	0.00
October 15	78	61	0.00
October 16	86	62	0.00
October 17	86	47	0.00
October 18	71	43	0.00
October 19	74	44	0.00
October 20	77	45	0.00
October 21	80	49	0.00
October 22	80	54	0.00
October 23	81	49	0.00
October 24	75	49	0.00
October 25	80	50	0.00
October 26	80	57	0.00
October 27	73	41	0.00
October 28	70	42	0.00
October 29	65	47	0.43
October 30	64	49	0.00
October 31	62	50	0.00

November 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	73	47	0.00
November 2	72	45	0.00
November 3	74	45	0.00
November 4	58	49	0.00
November 5	51	38	0.01
November 6	53	38	0.00
November 7	51	36	0.00
November 8	66	36	0.00
November 9	72	39	0.00
November 10	78	45	0.00
November 11	76	44	0.00
November 12	77	50	0.00
November 13	73	41	0.00
November 14	71	35	0.00
November 15	64	40	0.00
November 16	66	36	0.00
November 17	73	42	0.00
November 18	76	49	0.00
November 19	77	46	0.12
November 20	59	34	0.00
November 21	59	37	0.00
November 22	71	44	0.00
November 23	59	34	0.04
November 24	52	27	0.00
November 25	56	28	0.00
November 26	66	31	0.06
November 27	62	29	0.00
November 28	59	32	0.00
November 29	66	35	0.00
November 30	55	27	0.00

December 2021 Sumter Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	64	30	0.00
December 2	70	37	0.00
December 3	74	42	0.00
December 4	81	44	0.00
December 5	73	46	0.00
December 6	68	49	0.00
December 7	73	50	0.00
December 8	56	43	0.76
December 9	47	35	0.52
December 10	51	36	0.02
December 11	61	44	0.13
December 12	74	50	0.35
December 13	58	33	0.00
December 14	63	34	0.00
December 15	65	35	0.00
December 16	65	39	0.00
December 17	72	41	0.01
December 18	71	57	0.00
December 19	77	59	0.18
December 20	66	34	0.05
December 21	45	34	0.00
December 22	44	39	0.21
December 23	60	31	0.00
December 24	56	30	0.00
December 25	64	31	0.00
December 26	73	51	0.00
December 27	77	48	0.00
December 28	75	50	0.00
December 29	75	60	0.00
December 30	76	62	0.25
December 31	69	58	0.26

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Weather Station Details

Years	Station	Coordinates
1901–2024	Sumter	location