Sioux Falls Weather in 1940

Historical record of Sioux Falls, South Dakota weather for the year 1940 based on NOAA data.

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1940 Sioux Falls Weather Extremes
Highest temperature	105 °F	July 24
Lowest temperature	-24 °F	January 18
Highest daily low	77 °F	July 18
Lowest daily high	-5 °F	January 18
Most daily precipitation	2.1 inches	June 23
Most daily snow	5.0 inches	November 21
Total annual precipitation	26.6 inches	-
Total annual snow	61.8 inches	-

What was the hottest temperature in Sioux Falls in 1940?

The highest temperature recorded in Sioux Falls, South Dakota in 1940 was 105 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sioux Falls in 1940

Rank	Temperature	Date
1	105 °F	Jul 24
1	105 °F	Jul 18
3	103 °F	Jul 19
4	102 °F	Jul 21
5	100 °F	Jul 17
6	98 °F	Jul 23
7	97 °F	Jul 25
7	97 °F	Jul 22
7	97 °F	Jul 20
7	97 °F	Jul 10
7	97 °F	Jun 17

What was the coldest temperature in Sioux Falls in 1940?

The lowest temperature recorded in Sioux Falls, South Dakota in 1940 was -24 °F which happened on Jan 18.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sioux Falls in 1940

Rank	Temperature	Date
1	-24 °F	January 18
2	-18 °F	January 24
3	-15 °F	February 9
3	-15 °F	January 4
5	-14 °F	January 2
6	-13 °F	January 25
6	-13 °F	January 5
8	-9 °F	December 3
8	-9 °F	November 14
8	-9 °F	January 27
8	-9 °F	January 26
8	-9 °F	January 8
8	-9 °F	January 1

January 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	6	-9	0.00	0.0
January 2	9	-14	0.00	0.0
January 3	15	-4	0.00	0.0
January 4	7	-15	0.00	0.0
January 5	10	-13	0.00	0.0
January 6	15	-4	0.06	0.5
January 7	19	9	0.02	0.2
January 8	13	-9	0.00	0.0
January 9	19	9	0.00	0.0
January 10	25	13	0.00	0.0
January 11	26	9	0.00	0.0
January 12	20	0	0.00	0.0
January 13	26	16	0.00	0.0
January 14	22	3	0.00	0.0
January 15	15	1	0.00	0.0
January 16	15	5	0.00	0.0
January 17	10	-5	0.00	0.0
January 18	-5	-24	0.00	0.0
January 19	12	-4	0.00	0.0
January 20	8	-6	0.00	0.0
January 21	27	1	0.00	0.0
January 22	20	-5	0.00	0.0
January 23	12	-4	0.00	0.0
January 24	2	-18	0.00	0.0
January 25	7	-13	0.00	0.0
January 26	10	-9	0.00	0.0
January 27	9	-9	0.00	0.0
January 28	30	1	0.00	0.0
January 29	27	10	0.00	0.0
January 30	33	4	0.00	0.0
January 31	34	21	0.00	0.0

February 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	32	18	0.00	0.0
February 2	31	8	0.00	0.0
February 3	27	16	0.30	5.0
February 4	32	20	0.06	0.8
February 5	29	23	0.00	0.0
February 6	29	20	0.00	0.0
February 7	23	3	0.19	2.3
February 8	19	11	0.17	2.5
February 9	17	-15	0.00	0.0
February 10	34	6	0.00	0.0
February 11	42	27	0.02	0.3
February 12	37	20	0.08	0.8
February 13	29	6	0.00	0.0
February 14	30	20	0.00	0.0
February 15	38	24	0.03	0.3
February 16	35	20	0.09	0.5
February 17	27	20	0.00	0.0
February 18	36	20	0.00	0.0
February 19	32	27	0.00	0.0
February 20	33	23	0.02	0.3
February 21	28	16	0.00	0.0
February 22	22	3	0.00	0.0
February 23	17	15	0.13	1.5
February 24	15	-8	0.00	0.0
February 25	24	-4	0.00	0.0
February 26	40	13	0.00	0.0
February 27	25	10	0.00	0.0
February 28	26	15	0.24	3.5
February 29	40	19	0.00	0.0

March 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	35	25	0.00	0.0
March 2	34	26	0.00	0.0
March 3	39	24	0.00	0.0
March 4	37	26	0.00	0.0
March 5	44	27	0.00	0.0
March 6	37	32	0.00	0.0
March 7	38	31	0.10	0.0
March 8	38	31	0.00	0.0
March 9	34	30	0.42	3.5
March 10	31	15	0.00	0.0
March 11	20	20	0.49	4.0
March 12	30	19	0.32	3.5
March 13	28	17	0.37	3.7
March 14	24	5	0.00	0.0
March 15	38	7	0.00	0.0
March 16	45	22	0.00	0.0
March 17	51	28	0.02	0.0
March 18	51	25	0.00	0.0
March 19	38	28	0.00	0.0
March 20	34	20	0.03	0.5
March 21	29	15	0.06	0.7
March 22	24	11	0.02	0.2
March 23	22	3	0.09	1.0
March 24	28	14	0.00	0.0
March 25	28	15	0.00	0.0
March 26	29	20	0.16	1.2
March 27	36	29	0.00	0.0
March 28	45	35	0.80	0.0
March 29	55	29	0.56	2.0
March 30	63	33	0.00	0.0
March 31	49	31	0.00	0.0

April 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	53	32	0.00	0.0
April 2	57	37	0.00	0.0
April 3	49	36	0.00	0.0
April 4	37	31	0.00	0.0
April 5	50	25	0.00	0.0
April 6	56	31	0.00	0.0
April 7	48	37	0.13	0.0
April 8	47	29	0.00	0.0
April 9	57	33	0.00	0.0
April 10	45	37	0.00	0.0
April 11	37	11	0.00	0.0
April 12	n/a	n/a	n/a	n/a
April 13	64	27	0.00	0.0
April 14	79	40	0.00	0.0
April 15	64	43	0.00	0.0
April 16	53	36	0.00	0.0
April 17	50	37	0.00	0.0
April 18	67	30	0.00	0.0
April 19	69	43	0.05	0.0
April 20	70	39	0.00	0.0
April 21	56	43	0.73	0.0
April 22	49	41	0.42	0.0
April 23	53	38	0.15	0.0
April 24	56	30	0.00	0.0
April 25	48	32	0.53	0.0
April 26	52	32	0.00	0.0
April 27	57	42	0.82	0.0
April 28	66	50	0.54	0.0
April 29	60	40	0.02	0.0
April 30	43	34	0.00	0.0

May 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	53	30	0.00
May 2	68	32	0.00
May 3	69	35	0.00
May 4	75	46	0.04
May 5	79	47	0.00
May 6	70	62	0.00
May 7	68	49	0.02
May 8	70	45	0.00
May 9	75	38	0.00
May 10	69	48	0.03
May 11	80	45	0.00
May 12	89	59	0.00
May 13	85	59	0.00
May 14	75	41	0.00
May 15	62	35	0.00
May 16	74	36	0.00
May 17	81	46	0.00
May 18	70	50	0.27
May 19	72	44	0.00
May 20	83	46	0.00
May 21	73	49	0.00
May 22	75	44	0.00
May 23	72	44	0.00
May 24	64	43	0.00
May 25	67	42	0.00
May 26	64	43	0.00
May 27	69	43	0.00
May 28	74	45	0.00
May 29	75	46	0.00
May 30	82	52	0.00
May 31	88	58	0.03

June 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	94	65	0.00
June 2	96	65	0.00
June 3	88	61	1.39
June 4	74	60	0.51
June 5	67	54	0.11
June 6	83	60	0.39
June 7	65	58	0.22
June 8	74	52	0.12
June 9	75	54	0.30
June 10	67	53	0.00
June 11	74	44	0.00
June 12	79	45	0.00
June 13	87	58	0.00
June 14	92	65	0.00
June 15	85	54	0.00
June 16	92	64	0.00
June 17	97	68	0.00
June 18	90	66	0.04
June 19	80	64	0.00
June 20	70	55	0.03
June 21	87	59	0.01
June 22	94	72	0.00
June 23	84	55	2.11
June 24	76	50	0.02
June 25	80	52	0.00
June 26	80	57	0.00
June 27	83	56	0.00
June 28	75	54	0.00
June 29	83	46	0.00
June 30	89	59	0.00

July 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	76	57	0.00
July 2	81	50	0.00
July 3	83	51	0.00
July 4	86	57	0.00
July 5	86	60	0.00
July 6	88	64	0.05
July 7	89	67	0.02
July 8	81	65	0.40
July 9	88	59	0.38
July 10	97	70	0.00
July 11	85	63	0.48
July 12	77	53	0.00
July 13	82	55	0.00
July 14	80	63	0.00
July 15	81	57	0.00
July 16	86	54	0.00
July 17	100	68	0.00
July 18	105	77	0.00
July 19	103	73	0.50
July 20	97	70	0.00
July 21	102	70	0.00
July 22	97	69	0.00
July 23	98	65	0.22
July 24	105	76	0.44
July 25	97	73	0.00
July 26	84	65	0.00
July 27	88	60	0.00
July 28	89	69	0.00
July 29	93	69	0.00
July 30	91	67	0.00
July 31	90	71	0.00

August 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	90	68	0.00
August 2	92	63	0.00
August 3	86	68	0.00
August 4	90	60	0.40
August 5	87	60	0.36
August 6	77	52	0.00
August 7	83	56	0.00
August 8	86	64	0.00
August 9	85	62	0.00
August 10	82	58	0.00
August 11	83	63	0.67
August 12	84	66	0.30
August 13	82	64	0.07
August 14	83	67	0.00
August 15	87	67	0.00
August 16	78	63	0.60
August 17	78	62	0.09
August 18	70	53	0.00
August 19	72	46	0.00
August 20	75	53	0.00
August 21	78	58	0.07
August 22	72	51	0.00
August 23	75	53	0.00
August 24	78	57	0.03
August 25	72	60	1.43
August 26	63	57	0.04
August 27	63	57	0.00
August 28	72	57	0.11
August 29	73	57	0.00
August 30	70	53	0.00
August 31	71	47	0.00

September 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	77	50	0.00
September 2	82	57	0.00
September 3	84	61	0.00
September 4	83	62	0.00
September 5	77	63	0.00
September 6	81	65	0.00
September 7	93	67	0.00
September 8	85	63	0.00
September 9	63	53	0.00
September 10	56	36	0.00
September 11	63	36	0.00
September 12	78	38	0.00
September 13	72	48	0.00
September 14	70	49	0.00
September 15	81	55	0.00
September 16	79	61	0.00
September 17	86	60	0.00
September 18	92	63	0.00
September 19	89	70	0.00
September 20	80	66	0.40
September 21	80	63	0.71
September 22	85	63	0.00
September 23	72	60	0.00
September 24	61	47	0.16
September 25	58	33	0.00
September 26	66	43	0.00
September 27	74	47	0.00
September 28	72	55	0.00
September 29	72	49	0.00
September 30	74	48	0.00

October 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	69	49	0.00
October 2	70	53	0.24
October 3	72	56	0.00
October 4	71	60	0.00
October 5	73	58	0.14
October 6	60	51	0.60
October 7	60	38	0.00
October 8	65	38	0.00
October 9	71	44	0.00
October 10	70	52	0.00
October 11	76	47	0.00
October 12	67	51	0.00
October 13	66	40	0.00
October 14	59	42	0.00
October 15	56	30	0.00
October 16	73	41	0.00
October 17	57	36	0.00
October 18	70	45	0.00
October 19	65	48	0.00
October 20	77	47	0.00
October 21	73	42	0.00
October 22	77	54	0.00
October 23	64	39	0.00
October 24	69	44	0.00
October 25	73	42	0.00
October 26	82	55	0.00
October 27	75	55	0.00
October 28	57	49	0.71
October 29	57	34	0.00
October 30	59	37	0.00
October 31	52	43	0.29

November 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	67	33	0.00	0.0
November 2	66	32	0.00	0.0
November 3	60	42	0.00	0.0
November 4	51	37	0.00	0.0
November 5	37	30	0.01	0.0
November 6	40	29	0.00	0.0
November 7	45	27	0.00	0.0
November 8	53	39	0.00	0.0
November 9	43	35	0.49	0.0
November 10	35	24	0.22	2.5
November 11	24	3	0.03	n/a
November 12	7	-4	0.00	0.0
November 13	10	-8	0.00	0.0
November 14	13	-9	0.00	0.0
November 15	28	5	0.00	0.0
November 16	41	25	0.00	0.0
November 17	46	27	0.00	0.0
November 18	47	33	0.00	0.0
November 19	43	33	0.00	0.0
November 20	46	30	0.00	0.0
November 21	39	28	0.49	5.0
November 22	33	25	0.00	0.0
November 23	34	22	0.00	0.0
November 24	29	9	0.00	0.0
November 25	36	17	0.00	0.0
November 26	32	23	0.14	1.5
November 27	25	11	0.00	0.0
November 28	32	7	0.27	2.5
November 29	29	4	0.00	0.0
November 30	21	7	0.19	1.5

December 1940 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	30	2	0.00	0.0
December 2	24	-3	0.00	0.0
December 3	25	-9	0.00	0.0
December 4	37	23	0.00	0.0
December 5	37	18	0.00	0.0
December 6	44	20	0.00	0.0
December 7	37	26	0.00	0.0
December 8	41	27	0.00	0.0
December 9	44	26	0.00	0.0
December 10	32	23	0.00	0.0
December 11	31	23	0.00	0.0
December 12	29	-3	0.14	1.5
December 13	12	-6	0.00	0.0
December 14	18	7	0.00	0.0
December 15	25	18	0.38	4.0
December 16	21	12	0.24	2.0
December 17	16	1	0.00	0.0
December 18	30	12	0.00	0.0
December 19	32	28	0.00	0.0
December 20	37	25	0.00	0.0
December 21	40	25	0.00	0.0
December 22	40	23	0.00	0.0
December 23	40	28	0.00	0.0
December 24	39	31	0.00	0.0
December 25	40	29	0.00	0.0
December 26	35	30	0.00	0.0
December 27	35	25	0.00	0.0
December 28	38	30	0.00	0.0
December 29	33	29	0.00	0.0
December 30	34	31	0.20	1.5
December 31	35	31	0.05	1.0

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Weather Station Details

Years	Station	Coordinates
1932–2024	Sioux Falls	location