Sioux City Weather in 1971

Historical record of Sioux City, Iowa weather for the year 1971 based on NOAA data.

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1971 Sioux City Weather Extremes
Highest temperature	101 °F	September 7
Lowest temperature	-15 °F	January 6
Highest daily low	78 °F	June 27
Lowest daily high	1 °F	January 5
Most daily precipitation	2.2 inches	February 18
Most daily snow	4.0 inches	December 29
Total annual precipitation	19.6 inches	-
Total annual snow	20.3 inches	-

What was the hottest temperature in Sioux City in 1971?

The highest temperature recorded in Sioux City, Iowa in 1971 was 101 °F which happened on September 7.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sioux City in 1971

Rank	Temperature	Date
1	101 °F	Sep 7
2	100 °F	Jun 26
3	97 °F	Sep 2
3	97 °F	Aug 22
3	97 °F	Jun 27
6	96 °F	Aug 23
6	96 °F	Jun 24
8	94 °F	Sep 3
8	94 °F	Aug 18
8	94 °F	Aug 13
8	94 °F	Jul 7
8	94 °F	Jun 28

What was the coldest temperature in Sioux City in 1971?

The lowest temperature recorded in Sioux City, Iowa in 1971 was -15 °F which happened on Jan 6.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sioux City in 1971

Rank	Temperature	Date
1	-15 °F	January 6
2	-12 °F	January 7
3	-11 °F	February 8
4	-10 °F	January 19
4	-10 °F	January 5
6	-8 °F	February 9
7	-6 °F	February 7
7	-6 °F	January 15
9	-4 °F	January 14
9	-4 °F	January 12

January 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	39	20	0.00	0.0
January 2	30	22	0.00	0.0
January 3	27	11	0.38	3.9
January 4	11	-1	0.01	0.1
January 5	1	-10	0.00	0.0
January 6	3	-15	0.00	0.0
January 7	10	-12	0.00	0.0
January 8	26	4	0.00	0.0
January 9	32	18	0.00	0.0
January 10	18	11	0.02	0.2
January 11	14	0	0.00	0.0
January 12	12	-4	0.01	0.1
January 13	16	6	0.02	0.4
January 14	9	-4	0.00	0.0
January 15	9	-6	0.00	0.0
January 16	20	9	0.00	0.0
January 17	17	11	0.00	0.0
January 18	14	-2	0.00	0.0
January 19	12	-10	0.00	0.0
January 20	36	11	0.00	0.0
January 21	38	26	0.00	0.0
January 22	35	17	0.00	0.0
January 23	39	17	0.00	0.0
January 24	41	19	0.00	0.0
January 25	42	5	0.00	0.0
January 26	18	1	0.00	0.0
January 27	23	-3	0.00	0.0
January 28	20	7	0.00	0.0
January 29	49	12	0.01	0.1
January 30	12	7	0.00	0.0
January 31	13	4	0.00	0.0

February 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	15	3	0.00	0.0
February 2	36	14	0.00	0.0
February 3	32	21	0.00	0.0
February 4	25	11	0.05	0.3
February 5	21	5	0.00	0.0
February 6	18	0	0.00	0.0
February 7	5	-6	0.01	0.1
February 8	11	-11	0.00	0.0
February 9	26	-8	0.00	0.0
February 10	44	7	0.00	0.0
February 11	46	24	0.00	0.0
February 12	25	9	0.00	0.0
February 13	26	7	0.00	0.0
February 14	42	26	0.00	0.0
February 15	45	26	0.00	0.0
February 16	51	31	0.00	0.0
February 17	58	28	0.00	0.0
February 18	52	39	2.15	0.0
February 19	44	29	0.06	0.0
February 20	29	25	0.00	0.0
February 21	28	20	0.00	0.0
February 22	28	23	0.24	2.7
February 23	35	15	0.00	0.0
February 24	34	13	0.00	0.0
February 25	41	20	0.00	0.0
February 26	38	29	0.15	0.4
February 27	34	26	0.00	0.0
February 28	32	17	0.00	0.0

March 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	31	20	0.00	0.0
March 2	31	15	0.00	0.0
March 3	32	12	0.00	0.0
March 4	41	21	0.00	0.0
March 5	39	31	0.00	0.0
March 6	34	25	0.00	0.0
March 7	30	18	0.00	0.0
March 8	33	13	0.00	0.0
March 9	46	25	0.00	0.0
March 10	44	24	0.00	0.0
March 11	50	29	0.00	0.0
March 12	52	27	0.00	0.0
March 13	65	36	0.00	0.0
March 14	50	39	0.03	0.0
March 15	39	31	0.02	0.2
March 16	45	26	0.00	0.0
March 17	53	26	0.00	0.0
March 18	44	29	0.38	1.5
March 19	36	24	0.00	0.0
March 20	48	22	0.00	0.0
March 21	38	29	0.00	0.0
March 22	33	22	0.00	0.0
March 23	30	21	0.00	0.0
March 24	32	19	0.00	0.0
March 25	34	26	0.00	0.0
March 26	37	31	0.00	0.0
March 27	70	35	0.00	0.0
March 28	49	31	0.00	0.0
March 29	60	26	0.00	0.0
March 30	73	33	0.00	0.0
March 31	77	37	0.03	0.0

April 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	43	29	0.03	0.2
April 2	43	24	0.00	0.0
April 3	47	23	0.00	0.0
April 4	46	27	0.00	0.0
April 5	49	24	0.00	0.0
April 6	64	23	0.00	0.0
April 7	77	31	0.00	0.0
April 8	74	43	0.00	0.0
April 9	65	34	0.00	0.0
April 10	76	35	0.00	0.0
April 11	72	51	0.00	0.0
April 12	70	49	0.00	0.0
April 13	66	34	0.00	0.0
April 14	71	30	0.00	0.0
April 15	84	43	0.00	0.0
April 16	72	47	0.00	0.0
April 17	81	38	0.09	0.0
April 18	72	58	0.00	0.0
April 19	82	58	0.00	0.0
April 20	81	52	0.90	0.0
April 21	67	48	0.04	0.0
April 22	65	43	0.00	0.0
April 23	69	36	0.00	0.0
April 24	65	40	0.00	0.0
April 25	65	44	0.00	0.0
April 26	51	40	0.52	0.0
April 27	52	43	0.03	0.0
April 28	50	35	0.00	0.0
April 29	63	31	0.00	0.0
April 30	71	46	0.00	0.0

May 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	60	41	0.00
May 2	60	34	0.00
May 3	69	35	0.00
May 4	74	50	0.17
May 5	73	54	0.04
May 6	69	53	0.00
May 7	71	47	0.12
May 8	71	43	0.00
May 9	71	47	0.15
May 10	67	56	0.53
May 11	65	46	0.27
May 12	65	34	0.00
May 13	83	48	0.00
May 14	84	49	0.00
May 15	83	53	0.00
May 16	83	45	0.00
May 17	75	64	0.04
May 18	64	51	0.47
May 19	61	47	0.00
May 20	73	41	0.00
May 21	74	55	0.00
May 22	72	58	0.00
May 23	78	58	0.65
May 24	58	50	0.00
May 25	59	46	0.00
May 26	63	39	0.00
May 27	69	40	0.00
May 28	74	44	0.00
May 29	77	49	0.00
May 30	74	58	0.41
May 31	81	57	0.00

June 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	65	54	0.00
June 2	77	47	0.00
June 3	86	57	0.00
June 4	85	64	1.20
June 5	86	59	0.00
June 6	84	63	0.75
June 7	79	59	0.00
June 8	76	64	0.19
June 9	81	63	0.06
June 10	87	65	0.08
June 11	88	65	0.00
June 12	90	68	0.00
June 13	86	64	0.01
June 14	83	64	0.00
June 15	87	60	0.00
June 16	88	64	0.00
June 17	90	71	0.00
June 18	84	66	0.20
June 19	93	75	0.00
June 20	84	68	0.00
June 21	85	60	0.00
June 22	87	63	0.00
June 23	89	60	0.00
June 24	96	68	0.00
June 25	86	67	0.00
June 26	100	73	0.00
June 27	97	78	0.00
June 28	94	73	0.00
June 29	93	68	1.06
June 30	83	66	0.10

July 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	88	62	0.00
July 2	88	62	0.00
July 3	84	70	0.00
July 4	85	70	0.03
July 5	84	65	0.32
July 6	86	65	0.02
July 7	94	68	0.05
July 8	79	63	0.13
July 9	82	61	0.01
July 10	83	65	0.56
July 11	83	65	0.06
July 12	92	72	0.00
July 13	78	65	0.00
July 14	83	60	0.01
July 15	86	60	0.00
July 16	93	63	0.00
July 17	90	68	0.12
July 18	85	63	0.00
July 19	79	55	0.00
July 20	85	58	0.00
July 21	93	65	0.02
July 22	85	66	0.14
July 23	82	63	0.00
July 24	83	58	0.00
July 25	80	61	0.02
July 26	76	52	0.00
July 27	84	55	0.08
July 28	75	55	0.00
July 29	75	49	0.00
July 30	73	42	0.00
July 31	88	49	0.00

August 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	83	61	0.00
August 2	80	56	0.00
August 3	81	57	0.00
August 4	74	65	0.00
August 5	78	61	0.00
August 6	83	59	0.00
August 7	82	61	0.00
August 8	86	63	0.00
August 9	90	66	0.00
August 10	88	61	0.00
August 11	86	53	0.00
August 12	91	65	0.02
August 13	94	69	0.00
August 14	85	65	0.00
August 15	85	60	0.00
August 16	89	63	0.00
August 17	91	67	0.00
August 18	94	66	0.00
August 19	87	69	0.07
August 20	90	62	0.00
August 21	91	66	0.00
August 22	97	66	0.00
August 23	96	68	0.00
August 24	84	58	0.00
August 25	90	50	0.00
August 26	80	52	0.00
August 27	80	45	0.00
August 28	84	50	0.00
August 29	87	55	0.00
August 30	82	62	0.00
August 31	85	67	0.03

September 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	90	66	0.00
September 2	97	68	0.00
September 3	94	70	0.00
September 4	82	60	0.04
September 5	80	55	0.00
September 6	92	54	0.00
September 7	101	56	0.00
September 8	80	59	0.00
September 9	80	55	0.02
September 10	87	51	0.00
September 11	85	52	0.00
September 12	85	56	0.00
September 13	89	48	0.00
September 14	75	47	0.00
September 15	74	45	0.00
September 16	66	46	0.00
September 17	64	40	0.00
September 18	60	42	0.00
September 19	69	32	0.00
September 20	77	39	0.00
September 21	68	47	0.08
September 22	50	39	0.09
September 23	72	32	0.00
September 24	70	42	0.00
September 25	62	52	0.35
September 26	83	58	0.00
September 27	85	58	0.00
September 28	76	55	0.00
September 29	77	47	0.00
September 30	88	72	0.02

October 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	87	69	0.54
October 2	79	54	0.00
October 3	67	43	0.00
October 4	75	41	0.00
October 5	77	50	0.00
October 6	77	43	0.00
October 7	77	40	0.00
October 8	62	42	0.00
October 9	56	38	0.00
October 10	83	31	0.00
October 11	67	37	0.00
October 12	76	42	0.01
October 13	67	47	0.00
October 14	75	49	0.00
October 15	76	45	0.00
October 16	82	51	0.00
October 17	81	60	0.00
October 18	80	59	0.31
October 19	67	42	0.00
October 20	55	39	0.11
October 21	62	47	0.00
October 22	66	46	0.00
October 23	62	49	0.00
October 24	70	53	0.00
October 25	80	52	0.00
October 26	75	57	0.04
October 27	66	38	0.69
October 28	38	35	0.05
October 29	38	35	0.48
October 30	39	32	0.93
October 31	55	26	0.00

November 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	51	37	0.00	0.0
November 2	52	27	0.00	0.0
November 3	52	33	0.00	0.0
November 4	57	28	0.00	0.0
November 5	55	24	0.00	0.0
November 6	32	16	0.00	0.0
November 7	35	11	0.00	0.0
November 8	52	27	0.00	0.0
November 9	60	24	0.00	0.0
November 10	65	28	0.00	0.0
November 11	77	31	0.00	0.0
November 12	60	31	0.00	0.0
November 13	65	36	0.00	0.0
November 14	66	37	0.00	0.0
November 15	66	30	0.00	0.0
November 16	61	43	0.10	0.0
November 17	44	36	1.05	0.0
November 18	39	28	0.00	0.0
November 19	47	24	0.00	0.0
November 20	52	34	0.00	0.0
November 21	34	22	0.00	0.0
November 22	33	26	0.08	0.7
November 23	39	28	0.03	0.2
November 24	42	24	0.00	0.0
November 25	41	30	0.02	0.0
November 26	41	28	0.17	0.0
November 27	33	22	0.00	0.0
November 28	34	29	0.26	2.5
November 29	30	22	0.00	0.0
November 30	28	10	0.00	0.0

December 1971 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	33	21	0.02	0.3
December 2	27	14	0.00	0.0
December 3	33	26	0.03	0.3
December 4	35	19	0.09	0.9
December 5	35	14	0.00	0.0
December 6	35	23	0.00	0.0
December 7	34	30	0.00	0.0
December 8	30	11	0.03	0.3
December 9	34	7	0.00	0.0
December 10	39	22	0.00	0.0
December 11	32	7	0.02	0.2
December 12	18	5	0.00	0.0
December 13	29	11	0.00	0.0
December 14	33	28	0.00	0.0
December 15	34	25	0.00	0.0
December 16	25	7	0.00	0.0
December 17	18	8	0.00	0.0
December 18	41	16	0.00	0.0
December 19	28	20	0.00	0.0
December 20	34	19	0.00	0.0
December 21	32	12	0.00	0.0
December 22	35	24	0.00	0.0
December 23	44	30	0.00	0.0
December 24	31	24	0.00	0.0
December 25	42	26	0.02	0.0
December 26	26	9	0.00	0.0
December 27	15	8	0.04	0.3
December 28	42	8	0.00	0.0
December 29	33	23	0.50	4.0
December 30	27	10	0.04	0.4
December 31	40	7	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1948–2024	Sioux City Gateway Airport	location