Sioux Falls Weather in 1966

Historical record of Sioux Falls, South Dakota weather for the year 1966 based on NOAA data.

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1966 Sioux Falls Weather Extremes
Highest temperature	106 °F	July 10
Lowest temperature	-29 °F	January 29
Highest daily low	80 °F	July 11
Lowest daily high	-10 °F	January 28
Most daily precipitation	4.0 inches	September 11
Most daily snow	3.4 inches	December 28
Total annual precipitation	20.8 inches	-
Total annual snow	25.5 inches	-

What was the hottest temperature in Sioux Falls in 1966?

The highest temperature recorded in Sioux Falls, South Dakota in 1966 was 106 °F which happened on July 10.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sioux Falls in 1966

Rank	Temperature	Date
1	106 °F	Jul 10
2	101 °F	Jul 11
2	101 °F	Jul 4
4	98 °F	Jul 17
4	98 °F	Jul 12
4	98 °F	Jul 9
7	97 °F	Jul 3
7	97 °F	Jun 30
7	97 °F	Jun 29
10	96 °F	Jul 18
10	96 °F	Jul 2

What was the coldest temperature in Sioux Falls in 1966?

The lowest temperature recorded in Sioux Falls, South Dakota in 1966 was -29 °F which happened on Jan 29.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sioux Falls in 1966

Rank	Temperature	Date
1	-29 °F	January 29
2	-28 °F	January 22
3	-27 °F	January 28
4	-26 °F	January 30
5	-24 °F	January 21
6	-21 °F	January 23
7	-19 °F	January 17
8	-18 °F	December 11
9	-16 °F	February 4
10	-15 °F	January 25

January 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	41	19	0.00	0.0
January 2	28	5	0.00	0.0
January 3	42	6	0.00	0.0
January 4	36	13	0.00	0.0
January 5	17	4	0.00	0.0
January 6	16	3	0.03	0.4
January 7	4	-14	0.00	0.0
January 8	27	-9	0.00	0.0
January 9	47	9	0.00	0.0
January 10	22	4	0.00	0.0
January 11	23	6	0.01	0.1
January 12	26	18	0.09	1.3
January 13	33	3	0.00	0.0
January 14	23	7	0.00	0.0
January 15	21	13	0.22	2.6
January 16	13	-9	0.04	0.3
January 17	10	-19	0.00	0.0
January 18	16	-13	0.00	0.0
January 19	23	-6	0.00	0.0
January 20	15	-1	0.03	0.4
January 21	1	-24	0.02	0.2
January 22	4	-28	0.00	0.0
January 23	-4	-21	0.04	0.2
January 24	-2	-12	0.02	0.1
January 25	8	-15	0.01	0.1
January 26	11	-13	0.02	0.4
January 27	-2	-14	0.00	0.0
January 28	-10	-27	0.01	0.1
January 29	-9	-29	0.00	0.0
January 30	6	-26	0.00	0.0
January 31	12	-12	0.00	0.0

February 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	14	-6	0.00	0.0
February 2	17	-14	0.00	0.0
February 3	14	-4	0.00	0.0
February 4	15	-16	0.00	0.0
February 5	34	8	0.00	0.0
February 6	41	10	0.00	0.0
February 7	37	12	0.03	0.0
February 8	47	35	0.79	0.0
February 9	47	29	0.00	0.0
February 10	34	25	0.00	0.0
February 11	33	19	0.00	0.0
February 12	37	24	0.04	0.4
February 13	25	9	0.00	0.0
February 14	30	10	0.00	0.0
February 15	18	-6	0.06	0.8
February 16	6	-13	0.00	0.0
February 17	19	-1	0.00	0.0
February 18	8	-11	0.03	0.6
February 19	7	-11	0.00	0.0
February 20	13	-8	0.00	0.0
February 21	17	-5	0.00	0.0
February 22	24	-5	0.00	0.0
February 23	30	0	0.00	0.0
February 24	43	21	0.00	0.0
February 25	36	19	0.00	0.0
February 26	39	20	0.00	0.0
February 27	35	31	0.04	0.0
February 28	51	28	0.00	0.0

March 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	42	28	0.00	0.0
March 2	50	29	0.01	0.0
March 3	44	25	0.00	0.0
March 4	27	13	0.40	3.1
March 5	19	9	0.17	0.7
March 6	20	1	0.00	0.0
March 7	31	0	0.00	0.0
March 8	51	28	0.00	0.0
March 9	49	27	0.00	0.0
March 10	60	32	0.00	0.0
March 11	49	33	0.00	0.0
March 12	55	29	0.00	0.0
March 13	62	29	0.00	0.0
March 14	66	39	0.00	0.0
March 15	70	30	0.00	0.0
March 16	76	31	0.00	0.0
March 17	65	38	0.00	0.0
March 18	45	34	0.00	0.0
March 19	53	33	0.00	0.0
March 20	59	31	0.00	0.0
March 21	59	33	0.00	0.0
March 22	39	24	0.12	0.8
March 23	24	17	0.00	0.0
March 24	35	10	0.00	0.0
March 25	47	20	0.00	0.0
March 26	40	18	0.00	0.0
March 27	44	24	0.00	0.0
March 28	60	26	0.00	0.0
March 29	60	33	0.00	0.0
March 30	74	31	0.00	0.0
March 31	72	35	0.00	0.0

April 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	55	32	0.00	0.0
April 2	50	26	0.12	0.0
April 3	51	33	0.01	0.0
April 4	38	30	0.00	0.0
April 5	39	31	0.00	0.0
April 6	50	27	0.00	0.0
April 7	52	25	0.00	0.0
April 8	43	21	0.00	0.0
April 9	47	18	0.00	0.0
April 10	35	32	0.08	0.4
April 11	40	34	0.00	0.0
April 12	52	32	0.00	0.0
April 13	55	28	0.00	0.0
April 14	64	31	0.00	0.0
April 15	58	25	0.00	0.0
April 16	70	37	0.00	0.0
April 17	56	34	0.15	0.0
April 18	34	31	0.08	0.0
April 19	33	23	0.78	0.5
April 20	37	20	0.00	0.0
April 21	58	20	0.00	0.0
April 22	61	39	0.00	0.0
April 23	66	42	0.00	0.0
April 24	71	40	0.00	0.0
April 25	74	34	0.00	0.0
April 26	70	49	0.00	0.0
April 27	51	32	0.49	0.0
April 28	52	30	0.00	0.0
April 29	51	27	0.00	0.0
April 30	48	24	0.00	0.0

May 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	58	25	0.00
May 2	62	34	0.00
May 3	61	34	0.00
May 4	84	39	0.00
May 5	84	49	0.00
May 6	75	40	0.00
May 7	78	50	0.00
May 8	53	36	0.00
May 9	52	25	0.00
May 10	47	33	0.08
May 11	37	33	0.44
May 12	39	36	0.04
May 13	54	34	0.00
May 14	77	41	0.01
May 15	69	42	0.14
May 16	79	35	0.17
May 17	70	44	0.00
May 18	64	41	0.02
May 19	67	41	0.00
May 20	75	37	0.00
May 21	83	54	0.00
May 22	85	61	0.87
May 23	65	43	0.17
May 24	74	42	0.00
May 25	83	42	0.00
May 26	88	51	0.00
May 27	74	45	0.00
May 28	71	38	0.00
May 29	72	38	0.00
May 30	73	37	0.00
May 31	77	36	0.00

June 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	77	55	0.00
June 2	84	61	0.00
June 3	86	54	0.37
June 4	79	60	0.07
June 5	71	57	0.66
June 6	72	51	0.00
June 7	68	56	0.68
June 8	58	51	0.01
June 9	70	48	0.00
June 10	70	43	0.00
June 11	83	58	0.12
June 12	76	50	0.00
June 13	74	44	0.02
June 14	77	45	0.00
June 15	77	51	0.00
June 16	76	45	0.00
June 17	78	49	0.29
June 18	84	46	0.00
June 19	87	65	0.05
June 20	92	58	0.00
June 21	91	70	0.00
June 22	88	71	0.00
June 23	79	65	0.35
June 24	84	64	0.03
June 25	82	53	0.03
June 26	83	49	0.00
June 27	88	63	0.00
June 28	93	64	0.00
June 29	97	68	0.00
June 30	97	75	0.00

July 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	93	69	0.00
July 2	96	70	0.05
July 3	97	76	0.00
July 4	101	72	0.20
July 5	94	64	0.00
July 6	84	60	0.00
July 7	90	55	0.00
July 8	92	68	0.09
July 9	98	70	0.00
July 10	106	67	0.00
July 11	101	80	0.00
July 12	98	79	0.00
July 13	92	69	0.02
July 14	84	66	0.00
July 15	84	60	0.00
July 16	86	64	0.00
July 17	98	68	0.00
July 18	96	69	0.00
July 19	93	60	0.00
July 20	86	59	0.00
July 21	87	58	0.00
July 22	72	64	0.22
July 23	82	56	0.00
July 24	92	65	0.00
July 25	94	71	0.00
July 26	93	70	0.09
July 27	93	67	0.87
July 28	83	66	0.00
July 29	83	64	0.00
July 30	87	62	0.00
July 31	90	68	0.00

August 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	87	65	0.00
August 2	82	60	0.00
August 3	84	57	0.00
August 4	84	66	0.00
August 5	93	64	0.00
August 6	92	62	0.04
August 7	87	57	0.00
August 8	72	52	0.00
August 9	75	48	0.00
August 10	78	50	0.00
August 11	83	53	0.00
August 12	73	61	0.20
August 13	69	55	0.31
August 14	79	48	0.40
August 15	76	58	0.00
August 16	89	56	0.00
August 17	91	61	0.12
August 18	76	49	0.00
August 19	66	54	0.20
August 20	69	61	0.84
August 21	69	54	0.01
August 22	64	48	0.00
August 23	73	45	0.00
August 24	76	43	0.00
August 25	85	47	0.00
August 26	90	56	0.00
August 27	89	61	0.00
August 28	89	66	0.00
August 29	92	61	0.00
August 30	91	69	0.00
August 31	88	69	0.00

September 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	74	67	1.38
September 2	78	59	0.00
September 3	83	57	0.00
September 4	76	53	0.00
September 5	71	50	0.00
September 6	72	44	0.00
September 7	77	51	0.00
September 8	78	57	0.00
September 9	85	60	0.01
September 10	80	65	0.00
September 11	79	63	4.02
September 12	80	60	0.00
September 13	75	55	0.46
September 14	64	41	0.10
September 15	65	37	0.00
September 16	60	41	0.03
September 17	63	48	0.00
September 18	71	43	0.00
September 19	72	41	0.00
September 20	75	40	0.00
September 21	78	47	0.00
September 22	80	42	0.00
September 23	71	40	0.00
September 24	71	46	0.04
September 25	61	42	0.00
September 26	51	44	0.24
September 27	68	47	0.00
September 28	71	46	0.02
September 29	54	39	0.00
September 30	51	35	0.04

October 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	60	30	0.00	0.0
October 2	73	44	0.00	0.0
October 3	60	41	0.15	0.0
October 4	59	34	0.00	0.0
October 5	63	30	0.00	0.0
October 6	80	47	0.00	0.0
October 7	82	46	0.06	0.0
October 8	83	47	0.00	0.0
October 9	63	39	0.00	0.0
October 10	60	34	0.00	0.0
October 11	68	28	0.00	0.0
October 12	68	47	0.00	0.0
October 13	64	49	0.00	0.0
October 14	63	34	1.04	0.4
October 15	46	26	0.18	0.0
October 16	54	25	0.00	0.0
October 17	62	26	0.00	0.0
October 18	52	33	0.00	0.0
October 19	55	26	0.00	0.0
October 20	67	33	0.00	0.0
October 21	68	44	0.00	0.0
October 22	54	32	0.00	0.0
October 23	59	29	0.00	0.0
October 24	59	22	0.00	0.0
October 25	72	28	0.00	0.0
October 26	73	30	0.00	0.0
October 27	74	37	0.00	0.0
October 28	52	27	0.00	0.0
October 29	42	23	0.00	0.0
October 30	61	34	0.00	0.0
October 31	45	30	0.00	0.0

November 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	31	13	0.00	0.0
November 2	30	7	0.00	0.0
November 3	47	15	0.00	0.0
November 4	47	21	0.00	0.0
November 5	47	23	0.00	0.0
November 6	52	30	0.00	0.0
November 7	42	22	0.00	0.0
November 8	30	17	0.00	0.0
November 9	23	7	0.14	1.7
November 10	35	0	0.00	0.0
November 11	34	1	0.06	0.6
November 12	32	-3	0.00	0.0
November 13	51	21	0.00	0.0
November 14	44	18	0.00	0.0
November 15	60	30	0.00	0.0
November 16	58	26	0.00	0.0
November 17	44	26	0.00	0.0
November 18	29	17	0.00	0.0
November 19	53	21	0.00	0.0
November 20	49	20	0.00	0.0
November 21	52	33	0.00	0.0
November 22	61	35	0.00	0.0
November 23	50	32	0.00	0.0
November 24	38	25	0.00	0.0
November 25	57	21	0.00	0.0
November 26	54	25	0.00	0.0
November 27	43	25	0.00	0.0
November 28	37	15	0.00	0.0
November 29	39	17	0.00	0.0
November 30	23	6	0.00	0.0

December 1966 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	15	2	0.00	0.0
December 2	21	2	0.00	0.0
December 3	24	-1	0.00	0.0
December 4	35	14	0.00	0.0
December 5	41	10	0.01	0.0
December 6	43	15	0.00	0.0
December 7	35	21	0.26	3.3
December 8	33	25	0.00	0.0
December 9	26	4	0.00	0.0
December 10	12	-13	0.00	0.0
December 11	27	-18	0.00	0.0
December 12	35	4	0.00	0.0
December 13	40	11	0.00	0.0
December 14	36	14	0.00	0.0
December 15	36	22	0.00	0.0
December 16	48	20	0.00	0.0
December 17	49	27	0.00	0.0
December 18	36	21	0.00	0.0
December 19	49	27	0.00	0.0
December 20	38	23	0.00	0.0
December 21	35	10	0.00	0.0
December 22	19	4	0.00	0.0
December 23	26	1	0.00	0.0
December 24	25	2	0.00	0.0
December 25	25	4	0.00	0.0
December 26	25	3	0.00	0.0
December 27	14	9	0.15	2.3
December 28	19	0	0.21	3.4
December 29	23	-5	0.00	0.0
December 30	22	-1	0.00	0.0
December 31	28	3	0.02	0.3

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Weather Station Details

Years	Station	Coordinates
1932–2024	Sioux Falls	location