Sioux City Weather in 1973

Historical record of Sioux City, Iowa weather for the year 1973 based on NOAA data.

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1973 Sioux City Weather Extremes
Highest temperature	99 °F	August 26
Lowest temperature	-16 °F	December 31
Highest daily low	75 °F	July 7
Lowest daily high	0 °F	December 31
Most daily precipitation	2.5 inches	July 9
Most daily snow	4.7 inches	January 21
Total annual precipitation	27.9 inches	-
Total annual snow	23.1 inches	-

What was the hottest temperature in Sioux City in 1973?

The highest temperature recorded in Sioux City, Iowa in 1973 was 99 °F which happened on August 26.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sioux City in 1973

Rank	Temperature	Date
1	99 °F	Aug 26
2	98 °F	Jun 9
3	96 °F	Aug 27
3	96 °F	Aug 19
5	95 °F	Aug 28
5	95 °F	Jul 7
7	94 °F	Jun 10
7	94 °F	May 21
9	93 °F	Jul 6
9	93 °F	Jun 11

What was the coldest temperature in Sioux City in 1973?

The lowest temperature recorded in Sioux City, Iowa in 1973 was -16 °F which happened on Dec 31.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sioux City in 1973

Rank	Temperature	Date
1	-16 °F	December 31
2	-13 °F	February 16
3	-12 °F	December 30
3	-12 °F	January 9
5	-7 °F	January 10
5	-7 °F	January 8
5	-7 °F	January 5
8	-5 °F	December 20
9	-2 °F	January 6
10	-1 °F	January 4

January 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	25	7	0.00	0.0
January 2	37	14	0.04	0.2
January 3	32	3	0.23	2.0
January 4	6	-1	0.00	0.0
January 5	8	-7	0.00	0.0
January 6	6	-2	0.00	0.0
January 7	8	3	0.00	0.0
January 8	5	-7	0.00	0.1
January 9	6	-12	0.00	0.0
January 10	15	-7	0.00	0.0
January 11	17	0	0.00	0.0
January 12	31	5	0.00	0.0
January 13	45	15	0.00	0.0
January 14	50	25	0.00	0.0
January 15	42	26	0.00	0.0
January 16	46	33	0.00	0.0
January 17	46	34	0.00	0.0
January 18	42	34	0.00	0.0
January 19	34	29	0.00	0.0
January 20	35	30	0.01	0.1
January 21	31	29	0.53	4.7
January 22	32	17	0.20	2.0
January 23	34	6	0.00	0.0
January 24	44	17	0.00	0.0
January 25	42	24	0.00	0.0
January 26	51	26	0.00	0.0
January 27	34	20	0.22	2.2
January 28	24	8	0.00	0.0
January 29	28	8	0.00	0.0
January 30	31	15	0.00	0.0
January 31	34	19	0.00	0.0

February 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	34	29	0.00	0.0
February 2	32	17	0.00	0.0
February 3	38	15	0.00	0.0
February 4	41	20	0.00	0.0
February 5	35	26	0.00	0.0
February 6	32	19	0.00	0.0
February 7	21	7	0.04	0.4
February 8	25	5	0.00	0.0
February 9	31	3	0.00	0.0
February 10	27	9	0.00	0.0
February 11	35	21	0.00	0.0
February 12	36	27	0.10	0.6
February 13	35	13	0.28	2.5
February 14	13	5	0.04	0.3
February 15	12	0	0.00	0.0
February 16	7	-13	0.00	0.0
February 17	32	6	0.00	0.0
February 18	34	17	0.00	0.0
February 19	38	30	0.00	0.0
February 20	43	18	0.00	0.0
February 21	33	19	0.00	0.0
February 22	44	27	0.00	0.0
February 23	51	28	0.00	0.0
February 24	43	32	0.00	0.0
February 25	33	30	0.00	0.0
February 26	32	29	0.00	0.0
February 27	36	32	0.00	0.0
February 28	48	35	0.00	0.0

March 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	40	36	0.00
March 2	46	35	0.00
March 3	49	34	0.00
March 4	41	35	0.25
March 5	43	36	0.01
March 6	57	39	0.00
March 7	58	32	0.00
March 8	51	28	0.00
March 9	41	31	0.00
March 10	43	37	0.14
March 11	44	35	0.32
March 12	63	38	0.00
March 13	68	46	1.20
March 14	57	43	0.10
March 15	43	36	0.00
March 16	43	27	0.00
March 17	47	24	0.00
March 18	49	27	0.00
March 19	43	32	0.00
March 20	53	26	0.00
March 21	57	26	0.00
March 22	49	35	0.07
March 23	61	40	1.05
March 24	48	44	0.45
March 25	52	42	0.09
March 26	60	38	0.00
March 27	63	43	0.00
March 28	53	38	0.07
March 29	42	33	0.03
March 30	55	31	0.00
March 31	49	42	0.24

April 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	45	38	0.09	0.0
April 2	51	38	0.02	0.0
April 3	55	37	0.05	0.0
April 4	57	33	0.00	0.0
April 5	74	29	0.00	0.0
April 6	74	42	0.00	0.0
April 7	49	36	0.00	0.0
April 8	40	31	0.02	0.3
April 9	34	26	0.01	0.1
April 10	47	23	0.00	0.0
April 11	67	26	0.00	0.0
April 12	56	29	0.00	0.0
April 13	64	31	0.00	0.0
April 14	68	43	0.00	0.0
April 15	62	36	0.18	0.0
April 16	59	33	0.00	0.0
April 17	75	43	0.00	0.0
April 18	79	45	0.00	0.0
April 19	74	56	0.09	0.0
April 20	75	50	0.00	0.0
April 21	66	43	0.00	0.0
April 22	71	39	0.00	0.0
April 23	73	40	0.00	0.0
April 24	73	46	0.00	0.0
April 25	56	44	0.28	0.0
April 26	60	42	0.00	0.0
April 27	58	31	0.00	0.0
April 28	77	36	0.17	0.0
April 29	74	52	0.00	0.0
April 30	57	48	0.42	0.0

May 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	48	40	0.44
May 2	59	41	0.02
May 3	67	35	0.00
May 4	75	42	0.00
May 5	76	59	0.00
May 6	65	57	0.00
May 7	61	52	0.08
May 8	81	44	0.00
May 9	75	54	0.21
May 10	71	50	0.00
May 11	71	48	0.00
May 12	64	40	0.00
May 13	68	36	0.00
May 14	63	35	0.00
May 15	79	34	0.00
May 16	65	45	0.00
May 17	75	36	0.00
May 18	86	57	0.00
May 19	82	55	0.00
May 20	89	48	0.00
May 21	94	65	0.01
May 22	76	52	0.00
May 23	87	44	0.02
May 24	64	52	0.12
May 25	73	51	0.00
May 26	62	53	0.36
May 27	58	55	0.35
May 28	80	54	0.00
May 29	73	52	0.11
May 30	77	46	0.00
May 31	82	52	0.00

June 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	86	56	0.00
June 2	78	64	0.17
June 3	80	61	0.00
June 4	69	59	0.19
June 5	77	51	0.00
June 6	85	52	0.00
June 7	92	59	0.00
June 8	91	64	0.00
June 9	98	60	0.00
June 10	94	72	0.00
June 11	93	69	0.00
June 12	78	63	1.18
June 13	83	58	0.00
June 14	85	65	0.51
June 15	91	71	0.00
June 16	88	65	0.00
June 17	88	55	0.04
June 18	75	58	1.33
June 19	73	53	0.00
June 20	78	56	0.00
June 21	79	55	0.00
June 22	84	51	0.00
June 23	91	61	0.00
June 24	92	65	0.00
June 25	91	71	0.00
June 26	92	65	0.02
June 27	81	60	0.00
June 28	83	55	0.00
June 29	81	52	0.00
June 30	80	60	0.10

July 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	92	66	0.81
July 2	80	65	0.00
July 3	87	70	0.00
July 4	88	67	0.00
July 5	86	70	0.00
July 6	93	71	0.00
July 7	95	75	0.00
July 8	90	74	0.00
July 9	88	68	2.53
July 10	89	70	0.00
July 11	91	70	0.00
July 12	92	72	0.00
July 13	82	68	0.00
July 14	80	60	0.00
July 15	81	57	0.00
July 16	84	59	0.00
July 17	87	61	0.00
July 18	90	70	0.06
July 19	79	70	0.02
July 20	70	63	0.10
July 21	71	62	0.83
July 22	69	63	0.00
July 23	81	63	0.00
July 24	84	64	0.52
July 25	79	65	0.00
July 26	83	65	0.00
July 27	82	61	0.00
July 28	84	58	0.02
July 29	84	66	0.01
July 30	81	62	0.00
July 31	80	57	0.00

August 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	81	53	0.00
August 2	87	56	0.00
August 3	90	66	0.00
August 4	90	66	0.00
August 5	88	64	0.00
August 6	86	68	0.11
August 7	91	71	0.00
August 8	91	68	0.00
August 9	87	62	0.00
August 10	88	59	0.00
August 11	84	62	0.02
August 12	87	59	0.00
August 13	87	63	0.02
August 14	86	58	0.00
August 15	85	68	0.40
August 16	89	67	0.00
August 17	90	63	0.00
August 18	90	74	0.00
August 19	96	71	0.04
August 20	86	65	0.00
August 21	92	69	0.00
August 22	89	67	0.00
August 23	74	68	0.00
August 24	77	66	0.00
August 25	90	70	0.00
August 26	99	68	0.00
August 27	96	74	0.00
August 28	95	69	0.00
August 29	91	68	0.00
August 30	90	69	0.43
August 31	85	70	0.03

September 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	86	69	0.05
September 2	85	70	0.00
September 3	80	65	0.11
September 4	83	54	0.00
September 5	82	52	0.00
September 6	80	49	0.00
September 7	79	51	0.30
September 8	68	59	0.12
September 9	71	61	0.00
September 10	86	56	0.00
September 11	76	55	0.00
September 12	65	54	0.01
September 13	67	52	0.00
September 14	74	48	0.00
September 15	63	47	0.56
September 16	52	44	0.34
September 17	60	42	0.00
September 18	68	36	0.00
September 19	72	47	0.00
September 20	73	46	0.00
September 21	77	55	0.04
September 22	82	47	0.00
September 23	72	46	0.00
September 24	75	57	0.09
September 25	77	52	0.32
September 26	65	60	0.59
September 27	66	58	0.00
September 28	65	58	1.50
September 29	64	57	0.00
September 30	71	56	0.01

October 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	68	53	0.00
October 2	76	51	0.00
October 3	66	52	0.00
October 4	68	41	0.00
October 5	74	40	0.00
October 6	60	54	0.26
October 7	74	58	0.00
October 8	84	62	0.00
October 9	81	63	1.20
October 10	63	53	0.56
October 11	73	47	0.17
October 12	67	38	0.00
October 13	70	41	0.00
October 14	86	47	0.00
October 15	72	47	0.00
October 16	52	36	0.00
October 17	72	42	0.00
October 18	76	41	0.00
October 19	71	45	0.00
October 20	72	38	0.00
October 21	81	50	0.00
October 22	78	52	0.00
October 23	80	48	0.00
October 24	76	52	0.03
October 25	69	42	0.00
October 26	59	45	0.00
October 27	51	36	0.00
October 28	49	30	0.00
October 29	59	25	0.00
October 30	57	34	0.00
October 31	54	35	0.00

November 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	43	36	0.10	0.0
November 2	46	34	0.00	0.0
November 3	41	33	0.00	0.0
November 4	36	24	0.04	0.6
November 5	37	20	0.00	0.0
November 6	41	29	0.00	0.0
November 7	45	31	0.00	0.0
November 8	32	23	0.00	0.0
November 9	35	16	0.00	0.0
November 10	46	21	0.00	0.0
November 11	61	30	0.00	0.0
November 12	67	41	0.00	0.0
November 13	69	37	0.00	0.0
November 14	55	42	1.02	0.0
November 15	45	33	0.08	0.0
November 16	41	31	0.00	0.0
November 17	59	36	0.00	0.0
November 18	40	36	0.00	0.0
November 19	51	37	0.28	0.0
November 20	47	33	0.85	0.0
November 21	37	28	0.02	0.0
November 22	49	24	0.00	0.0
November 23	46	24	0.26	0.0
November 24	51	30	0.00	0.0
November 25	39	30	0.01	0.0
November 26	47	32	0.00	0.0
November 27	42	25	0.00	0.0
November 28	44	24	0.00	0.0
November 29	59	26	0.00	0.0
November 30	42	27	0.00	0.0

December 1973 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	44	26	0.00	0.0
December 2	50	32	0.00	0.0
December 3	37	29	0.00	0.0
December 4	31	24	0.00	0.0
December 5	24	16	0.03	0.4
December 6	27	11	0.00	0.0
December 7	41	10	0.00	0.0
December 8	58	31	0.00	0.0
December 9	37	18	0.01	0.1
December 10	26	13	0.00	0.0
December 11	40	21	0.00	0.0
December 12	43	21	0.00	0.0
December 13	30	18	0.00	0.0
December 14	23	8	0.23	3.0
December 15	19	2	0.00	0.0
December 16	17	1	0.00	0.0
December 17	26	17	0.00	0.0
December 18	26	20	0.00	0.0
December 19	20	4	0.00	0.0
December 20	14	-5	0.00	0.0
December 21	24	11	0.00	0.0
December 22	37	14	0.00	0.0
December 23	30	18	0.00	0.0
December 24	34	27	0.43	3.2
December 25	28	18	0.00	0.0
December 26	26	20	0.02	0.3
December 27	29	16	0.00	0.0
December 28	29	16	0.00	0.0
December 29	22	2	0.00	0.0
December 30	7	-12	0.00	0.0
December 31	0	-16	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1948–2024	Sioux City Gateway Airport	location