Sioux Falls Weather in 1981

Historical record of Sioux Falls, South Dakota weather for the year 1981 based on NOAA data.

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1981 Sioux Falls Weather Extremes
Highest temperature	100 °F	July 14
Lowest temperature	-26 °F	February 11
Highest daily low	77 °F	July 14
Lowest daily high	2 °F	February 10
Most daily precipitation	2.0 inches	July 3
Most daily snow	6.2 inches	November 30
Total annual precipitation	18.1 inches	-
Total annual snow	20.2 inches	-

What was the hottest temperature in Sioux Falls in 1981?

The highest temperature recorded in Sioux Falls, South Dakota in 1981 was 100 °F which happened on July 14.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sioux Falls in 1981

Rank	Temperature	Date
1	100 °F	Jul 14
2	98 °F	Jul 17
2	98 °F	Jul 11
4	96 °F	Jun 23
4	96 °F	Jun 13
4	96 °F	Jun 7
7	95 °F	Sep 10
7	95 °F	Sep 9
9	94 °F	Aug 12
10	93 °F	Jul 13
10	93 °F	Jul 10

What was the coldest temperature in Sioux Falls in 1981?

The lowest temperature recorded in Sioux Falls, South Dakota in 1981 was -26 °F which happened on Feb 11.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sioux Falls in 1981

Rank	Temperature	Date
1	-26 °F	February 11
2	-22 °F	December 18
3	-20 °F	December 19
3	-20 °F	February 10
5	-15 °F	December 17
6	-10 °F	January 11
7	-9 °F	December 15
8	-8 °F	December 16
8	-8 °F	February 9
10	-6 °F	February 8

January 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	34	19	0.00	0.0
January 2	44	14	0.00	0.0
January 3	18	-2	0.00	0.0
January 4	18	6	0.00	0.0
January 5	32	17	0.00	0.0
January 6	34	5	0.00	0.0
January 7	15	2	0.00	0.0
January 8	19	11	0.00	0.0
January 9	20	-4	0.00	0.0
January 10	15	-4	0.00	0.0
January 11	22	-10	0.00	0.0
January 12	47	11	0.00	0.0
January 13	43	18	0.00	0.0
January 14	31	23	0.00	0.0
January 15	29	5	0.00	0.0
January 16	18	-3	0.00	0.0
January 17	41	8	0.00	0.0
January 18	43	13	0.00	0.0
January 19	50	18	0.00	0.0
January 20	37	14	0.00	0.0
January 21	47	11	0.00	0.0
January 22	52	17	0.00	0.0
January 23	57	20	0.00	0.0
January 24	66	23	0.00	0.0
January 25	48	29	0.01	0.1
January 26	35	31	0.00	0.0
January 27	31	8	0.01	0.2
January 28	22	6	0.00	0.0
January 29	23	-4	0.00	0.0
January 30	31	7	0.00	0.0
January 31	25	23	0.10	1.1

February 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	24	2	0.06	0.6
February 2	10	-5	0.00	0.0
February 3	19	-5	0.00	0.0
February 4	19	-4	0.00	0.0
February 5	28	14	0.01	0.2
February 6	34	11	0.00	0.0
February 7	25	-3	0.00	0.0
February 8	13	-6	0.02	0.4
February 9	8	-8	0.01	0.3
February 10	2	-20	0.07	1.6
February 11	7	-26	0.00	0.0
February 12	25	1	0.00	0.0
February 13	43	19	0.00	0.0
February 14	45	18	0.00	0.0
February 15	51	34	0.00	0.0
February 16	64	30	0.00	0.0
February 17	70	31	0.00	0.0
February 18	62	35	0.00	0.0
February 19	59	28	0.00	0.0
February 20	65	25	0.00	0.0
February 21	46	36	0.00	0.0
February 22	48	32	0.00	0.0
February 23	54	25	0.00	0.0
February 24	60	21	0.00	0.0
February 25	52	29	0.00	0.0
February 26	43	26	0.03	0.0
February 27	39	36	0.13	0.0
February 28	37	25	0.00	0.0

March 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	50	21	0.00
March 2	35	12	0.00
March 3	53	23	0.00
March 4	44	17	0.00
March 5	42	16	0.00
March 6	37	16	0.00
March 7	40	10	0.00
March 8	49	15	0.00
March 9	46	21	0.00
March 10	53	20	0.00
March 11	58	17	0.00
March 12	57	29	0.00
March 13	46	21	0.00
March 14	66	15	0.02
March 15	55	30	0.00
March 16	62	14	0.00
March 17	45	24	0.00
March 18	43	19	0.00
March 19	44	22	0.00
March 20	45	11	0.00
March 21	48	33	0.00
March 22	59	20	0.00
March 23	63	21	0.00
March 24	62	28	0.06
March 25	66	34	0.00
March 26	57	25	0.00
March 27	68	35	0.00
March 28	70	54	1.37
March 29	59	46	0.01
March 30	59	42	0.00
March 31	50	40	0.40

April 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	62	36	0.00	0.0
April 2	81	49	0.00	0.0
April 3	55	35	0.18	0.0
April 4	47	32	0.11	0.5
April 5	52	29	0.00	0.0
April 6	73	39	0.00	0.0
April 7	62	42	0.00	0.0
April 8	60	39	0.03	0.0
April 9	69	33	0.00	0.0
April 10	70	43	0.00	0.0
April 11	57	40	0.04	0.0
April 12	75	38	0.00	0.0
April 13	58	36	0.07	0.0
April 14	52	25	0.00	0.0
April 15	64	36	0.00	0.0
April 16	76	51	0.00	0.0
April 17	75	45	0.00	0.0
April 18	68	38	0.02	0.0
April 19	57	45	0.02	0.0
April 20	57	33	0.00	0.0
April 21	66	45	0.05	0.0
April 22	60	43	0.05	0.0
April 23	63	35	0.00	0.0
April 24	73	30	0.00	0.0
April 25	87	50	0.00	0.0
April 26	84	50	0.00	0.0
April 27	91	54	0.01	0.0
April 28	63	49	0.00	0.0
April 29	74	45	0.00	0.0
April 30	70	42	0.00	0.0

May 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	65	41	0.00
May 2	86	50	0.00
May 3	73	54	0.13
May 4	61	47	0.00
May 5	68	38	0.00
May 6	64	35	0.00
May 7	63	45	0.00
May 8	72	45	0.00
May 9	54	36	0.00
May 10	61	25	0.00
May 11	69	28	0.00
May 12	55	46	0.28
May 13	68	42	0.00
May 14	73	34	0.00
May 15	77	37	0.00
May 16	76	57	0.03
May 17	59	53	0.12
May 18	70	44	0.00
May 19	74	31	0.00
May 20	77	39	0.00
May 21	79	56	0.04
May 22	81	59	0.00
May 23	75	47	0.00
May 24	65	45	0.00
May 25	68	50	0.00
May 26	72	56	0.00
May 27	80	54	0.00
May 28	80	57	0.01
May 29	79	48	0.00
May 30	79	45	0.00
May 31	88	57	0.00

June 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	88	60	0.07
June 2	76	54	0.08
June 3	82	53	0.00
June 4	89	52	0.04
June 5	89	53	0.00
June 6	90	50	0.00
June 7	96	63	0.13
June 8	82	58	0.00
June 9	68	55	0.42
June 10	80	48	0.00
June 11	84	63	0.00
June 12	87	61	0.98
June 13	96	67	0.97
June 14	80	58	0.89
June 15	72	55	0.04
June 16	82	51	0.00
June 17	85	61	0.00
June 18	73	56	0.00
June 19	81	52	0.00
June 20	78	52	0.00
June 21	80	55	0.12
June 22	80	54	0.00
June 23	96	59	0.04
June 24	83	61	0.00
June 25	85	54	0.00
June 26	88	53	0.00
June 27	87	69	0.00
June 28	84	70	0.05
June 29	82	63	0.07
June 30	86	55	0.00

July 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	87	60	0.00
July 2	86	69	0.03
July 3	77	65	1.96
July 4	85	63	0.00
July 5	88	61	0.00
July 6	88	65	0.00
July 7	89	74	0.00
July 8	86	61	0.00
July 9	84	52	0.00
July 10	93	68	0.00
July 11	98	77	0.11
July 12	91	75	0.00
July 13	93	76	0.00
July 14	100	77	0.00
July 15	78	62	0.00
July 16	90	57	0.00
July 17	98	73	0.00
July 18	91	68	0.18
July 19	90	68	0.30
July 20	92	62	0.07
July 21	90	62	0.00
July 22	88	65	0.06
July 23	88	64	0.87
July 24	85	70	0.13
July 25	76	65	0.00
July 26	72	57	0.02
July 27	62	57	0.09
July 28	71	58	0.00
July 29	70	63	0.00
July 30	80	69	0.00
July 31	79	74	0.07

August 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	88	69	0.15
August 2	89	67	0.00
August 3	89	69	0.19
August 4	85	70	0.34
August 5	90	72	0.00
August 6	84	67	0.00
August 7	85	63	0.00
August 8	86	60	0.00
August 9	79	57	0.00
August 10	82	51	0.00
August 11	89	60	0.00
August 12	94	61	0.00
August 13	80	68	0.22
August 14	85	65	0.16
August 15	81	59	0.00
August 16	74	55	0.00
August 17	72	55	0.00
August 18	75	48	0.00
August 19	79	50	0.00
August 20	82	60	0.00
August 21	85	62	0.00
August 22	85	64	0.04
August 23	73	61	0.26
August 24	78	55	0.08
August 25	80	63	0.56
August 26	77	58	0.17
August 27	67	62	0.07
August 28	69	59	0.04
August 29	80	60	0.00
August 30	84	62	0.00
August 31	78	54	0.00

September 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	72	48	0.00
September 2	79	44	0.00
September 3	67	52	0.00
September 4	78	43	0.00
September 5	86	57	0.00
September 6	83	63	0.24
September 7	77	56	0.00
September 8	81	49	0.00
September 9	95	57	0.00
September 10	95	52	0.00
September 11	86	54	0.00
September 12	89	46	0.00
September 13	89	55	0.00
September 14	76	46	0.00
September 15	73	43	0.01
September 16	60	38	0.00
September 17	66	33	0.00
September 18	79	38	0.00
September 19	87	42	0.00
September 20	86	46	0.00
September 21	75	51	0.00
September 22	72	45	0.00
September 23	77	52	0.01
September 24	74	51	0.07
September 25	78	64	0.00
September 26	69	47	0.17
September 27	65	40	0.00
September 28	76	39	0.00
September 29	83	50	0.00
September 30	57	47	0.00

October 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	55	30	0.00	0.0
October 2	64	27	0.00	0.0
October 3	60	50	0.27	0.0
October 4	58	52	0.01	0.0
October 5	61	47	0.46	0.0
October 6	62	38	0.00	0.0
October 7	66	35	0.00	0.0
October 8	67	47	0.00	0.0
October 9	60	47	0.02	0.0
October 10	75	35	0.00	0.0
October 11	71	50	0.06	0.0
October 12	60	55	0.06	0.0
October 13	64	46	0.98	0.0
October 14	54	45	0.13	0.0
October 15	63	37	0.00	0.0
October 16	63	37	0.00	0.0
October 17	58	43	0.37	0.0
October 18	48	31	0.00	0.0
October 19	70	30	0.00	0.0
October 20	53	42	0.00	0.0
October 21	44	25	0.01	0.0
October 22	39	19	0.00	0.0
October 23	37	17	0.00	0.0
October 24	51	31	0.08	0.8
October 25	47	27	0.00	0.0
October 26	62	30	0.00	0.0
October 27	70	31	0.00	0.0
October 28	70	45	0.00	0.0
October 29	69	45	0.00	0.0
October 30	65	42	0.00	0.0
October 31	65	34	0.00	0.0

November 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	61	29	0.00	0.0
November 2	68	41	0.00	0.0
November 3	60	52	0.01	0.0
November 4	60	41	0.00	0.0
November 5	53	35	0.00	0.0
November 6	64	29	0.00	0.0
November 7	69	29	0.00	0.0
November 8	45	22	0.00	0.0
November 9	45	15	0.00	0.0
November 10	64	26	0.00	0.0
November 11	59	23	0.00	0.0
November 12	62	33	0.00	0.0
November 13	69	43	0.00	0.0
November 14	65	42	0.00	0.0
November 15	66	35	0.00	0.0
November 16	61	30	0.00	0.0
November 17	63	23	0.00	0.0
November 18	50	32	0.47	1.8
November 19	32	22	0.07	0.9
November 20	23	9	0.00	0.0
November 21	28	10	0.00	0.0
November 22	38	15	0.19	0.0
November 23	36	33	0.00	0.0
November 24	38	33	0.00	0.0
November 25	38	34	0.00	0.0
November 26	35	28	0.00	0.0
November 27	30	26	0.00	0.0
November 28	34	26	0.00	0.0
November 29	47	25	0.00	0.0
November 30	37	30	0.47	6.2

December 1981 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	32	15	0.06	0.8
December 2	32	12	0.00	0.0
December 3	39	29	0.00	0.0
December 4	36	18	0.00	0.0
December 5	39	12	0.00	0.0
December 6	42	27	0.00	0.0
December 7	41	23	0.00	0.0
December 8	33	19	0.00	0.0
December 9	26	19	0.00	0.0
December 10	29	21	0.00	0.0
December 11	33	28	0.00	0.0
December 12	34	31	0.00	0.0
December 13	33	17	0.15	2.0
December 14	21	-5	0.02	0.3
December 15	17	-9	0.05	1.7
December 16	7	-8	0.00	0.0
December 17	4	-15	0.00	0.0
December 18	3	-22	0.00	0.0
December 19	14	-20	0.00	0.1
December 20	33	6	0.06	0.0
December 21	39	18	0.00	0.0
December 22	28	13	0.00	0.0
December 23	31	13	0.01	0.1
December 24	30	10	0.00	0.0
December 25	27	4	0.00	0.0
December 26	26	21	0.00	0.0
December 27	25	9	0.00	0.0
December 28	18	1	0.01	0.2
December 29	17	-3	0.00	0.0
December 30	29	-1	0.00	0.0
December 31	20	-5	0.02	0.3

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Weather Station Details

Years	Station	Coordinates
1932–2024	Sioux Falls	location