Sioux City Weather in 1990

Historical record of Sioux City, Iowa weather for the year 1990 based on NOAA data.

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1990 Sioux City Weather Extremes
Highest temperature	104 °F	July 3
Lowest temperature	-14 °F	December 23
Highest daily low	76 °F	July 2
Lowest daily high	-6 °F	December 21
Most daily precipitation	2.1 inches	May 23
Most daily snow	3.5 inches	January 20
Total annual precipitation	24.6 inches	-
Total annual snow	26.2 inches	-

What was the hottest temperature in Sioux City in 1990?

The highest temperature recorded in Sioux City, Iowa in 1990 was 104 °F which happened on July 3.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sioux City in 1990

Rank	Temperature	Date
1	104 °F	Jul 3
2	97 °F	Jul 2
2	97 °F	Jun 26
4	96 °F	Jun 29
4	96 °F	Jun 28
4	96 °F	Jun 11
7	95 °F	Sep 9
7	95 °F	Sep 5
7	95 °F	Sep 4
7	95 °F	Jul 1
7	95 °F	Jun 30

What was the coldest temperature in Sioux City in 1990?

The lowest temperature recorded in Sioux City, Iowa in 1990 was -14 °F which happened on Dec 23.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sioux City in 1990

Rank	Temperature	Date
1	-14 °F	December 23
2	-13 °F	December 22
3	-12 °F	December 21
4	-11 °F	December 30
5	-9 °F	December 29
6	-8 °F	December 20
7	-7 °F	December 26
7	-7 °F	December 25
9	-4 °F	December 31
10	-3 °F	February 17

January 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	35	7	0.00	0.0
January 2	45	19	0.00	0.0
January 3	36	22	0.00	0.0
January 4	38	17	0.00	0.0
January 5	42	17	0.00	0.0
January 6	50	10	0.00	0.0
January 7	53	18	0.00	0.0
January 8	49	25	0.00	0.0
January 9	41	24	0.00	0.0
January 10	64	23	0.00	0.0
January 11	41	28	0.00	0.0
January 12	29	12	0.00	0.0
January 13	44	11	0.00	0.0
January 14	53	23	0.00	0.0
January 15	52	20	0.00	0.0
January 16	39	32	0.00	0.0
January 17	38	28	0.00	0.0
January 18	35	18	0.00	0.0
January 19	35	16	0.00	0.0
January 20	32	12	0.20	3.5
January 21	36	4	0.00	0.0
January 22	42	15	0.00	0.0
January 23	45	24	0.00	0.0
January 24	32	22	0.07	1.6
January 25	36	15	0.00	0.0
January 26	47	20	0.00	0.0
January 27	43	24	0.03	0.4
January 28	45	18	0.00	0.0
January 29	51	19	0.00	0.0
January 30	36	12	0.00	0.0
January 31	49	14	0.00	0.0

February 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	27	8	0.00	0.0
February 2	20	11	0.09	0.8
February 3	34	10	0.03	0.7
February 4	46	11	0.00	0.0
February 5	49	30	0.00	0.0
February 6	47	22	0.00	0.0
February 7	56	27	0.00	0.0
February 8	42	27	0.00	0.0
February 9	39	23	0.00	0.0
February 10	42	24	0.01	0.0
February 11	55	26	0.00	0.0
February 12	63	32	0.00	0.0
February 13	35	12	0.00	0.0
February 14	20	10	0.00	0.0
February 15	26	18	0.15	1.9
February 16	19	1	0.00	0.0
February 17	28	-3	0.00	0.0
February 18	32	16	0.00	0.0
February 19	35	13	0.00	0.0
February 20	46	16	0.00	0.0
February 21	53	27	0.00	0.0
February 22	42	25	0.00	0.0
February 23	55	22	0.00	0.0
February 24	29	12	0.00	0.0
February 25	26	16	0.03	0.4
February 26	55	16	0.00	0.0
February 27	40	20	0.00	0.0
February 28	45	11	0.00	0.0

March 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	59	19	0.00	0.0
March 2	58	20	0.00	0.0
March 3	45	16	0.00	0.0
March 4	62	25	0.00	0.0
March 5	38	23	0.00	0.0
March 6	33	29	0.00	0.0
March 7	33	32	0.59	0.0
March 8	39	33	0.22	0.0
March 9	59	33	0.00	0.0
March 10	55	34	0.00	0.0
March 11	69	54	0.16	0.0
March 12	72	44	0.00	0.0
March 13	62	41	0.76	0.0
March 14	58	38	0.00	0.0
March 15	40	32	0.12	2.7
March 16	46	33	0.04	0.0
March 17	50	29	0.00	0.0
March 18	37	24	0.00	0.2
March 19	44	17	0.00	0.0
March 20	69	26	0.00	0.0
March 21	68	39	0.08	0.0
March 22	49	27	0.12	0.0
March 23	28	20	0.00	0.1
March 24	35	20	0.00	0.0
March 25	49	18	0.00	0.0
March 26	51	21	0.00	0.0
March 27	57	26	0.00	0.0
March 28	50	39	0.00	0.0
March 29	46	37	0.08	0.0
March 30	59	31	0.00	0.0
March 31	52	41	0.01	0.0

April 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	56	36	0.00	0.0
April 2	53	26	0.00	0.0
April 3	69	20	0.00	0.0
April 4	62	37	0.00	0.0
April 5	46	26	0.00	0.0
April 6	44	20	0.00	0.0
April 7	65	17	0.00	0.0
April 8	73	26	0.00	0.0
April 9	57	42	0.82	0.0
April 10	52	29	0.00	0.0
April 11	44	21	0.00	0.0
April 12	51	21	0.00	0.0
April 13	43	31	0.27	0.1
April 14	67	28	0.00	0.0
April 15	60	31	0.00	0.0
April 16	55	33	0.25	0.0
April 17	53	24	0.00	0.0
April 18	54	34	0.00	0.0
April 19	72	48	0.00	0.0
April 20	77	51	0.00	0.0
April 21	80	46	0.00	0.0
April 22	89	52	0.00	0.0
April 23	86	61	0.05	0.0
April 24	84	60	0.09	0.0
April 25	78	63	0.00	0.0
April 26	81	58	0.00	0.0
April 27	61	33	0.01	0.0
April 28	58	31	0.03	0.0
April 29	52	33	0.09	0.0
April 30	59	30	0.00	0.0

May 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	62	28	0.00
May 2	69	34	0.00
May 3	68	38	0.00
May 4	75	47	0.00
May 5	68	40	0.00
May 6	78	40	0.00
May 7	90	57	0.00
May 8	72	51	0.00
May 9	54	38	1.59
May 10	61	38	0.00
May 11	68	40	0.37
May 12	58	43	0.01
May 13	65	37	0.02
May 14	66	51	0.00
May 15	70	48	0.54
May 16	64	51	0.00
May 17	71	47	0.00
May 18	82	42	1.19
May 19	62	48	0.70
May 20	57	46	0.00
May 21	58	50	0.00
May 22	76	44	0.05
May 23	73	57	2.10
May 24	67	57	0.61
May 25	71	58	0.30
May 26	72	58	0.00
May 27	69	55	0.00
May 28	79	50	0.00
May 29	78	58	0.00
May 30	74	59	0.00
May 31	70	53	0.00

June 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	85	61	0.00
June 2	72	56	0.09
June 3	63	47	0.02
June 4	73	40	0.00
June 5	84	58	0.00
June 6	77	55	0.00
June 7	72	54	0.00
June 8	82	62	0.27
June 9	88	54	0.00
June 10	87	63	0.00
June 11	96	70	0.00
June 12	93	67	0.07
June 13	90	66	0.32
June 14	85	62	0.30
June 15	83	63	0.93
June 16	85	67	1.41
June 17	82	65	0.00
June 18	91	59	0.00
June 19	85	68	0.00
June 20	84	63	0.00
June 21	71	61	0.77
June 22	76	56	0.02
June 23	79	56	0.00
June 24	87	60	0.00
June 25	94	64	0.00
June 26	97	71	0.00
June 27	94	72	0.00
June 28	96	73	0.00
June 29	96	74	0.00
June 30	95	76	0.00

July 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	95	71	0.00
July 2	97	76	0.00
July 3	104	73	0.00
July 4	91	66	0.20
July 5	85	62	0.00
July 6	79	62	0.02
July 7	93	71	0.00
July 8	88	69	0.00
July 9	83	65	0.22
July 10	75	60	0.38
July 11	82	57	0.08
July 12	72	58	0.00
July 13	77	52	0.00
July 14	81	50	0.00
July 15	84	54	0.00
July 16	88	58	0.00
July 17	91	68	0.02
July 18	92	70	0.00
July 19	83	67	0.97
July 20	80	65	0.00
July 21	76	62	0.00
July 22	78	53	0.00
July 23	80	54	0.57
July 24	82	62	0.31
July 25	73	66	0.03
July 26	81	67	0.02
July 27	83	71	0.00
July 28	85	66	0.40
July 29	85	65	0.00
July 30	78	57	0.00
July 31	78	52	0.00

August 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	81	57	0.00
August 2	82	66	0.00
August 3	83	65	0.00
August 4	83	60	0.00
August 5	78	52	0.00
August 6	76	49	0.00
August 7	78	52	0.00
August 8	79	55	0.00
August 9	86	59	0.00
August 10	84	66	0.08
August 11	80	58	0.00
August 12	80	62	0.00
August 13	80	54	0.00
August 14	86	64	0.00
August 15	86	62	0.00
August 16	85	67	0.00
August 17	91	71	0.08
August 18	91	71	0.00
August 19	73	63	0.00
August 20	73	62	0.02
August 21	79	65	0.00
August 22	80	66	0.01
August 23	92	67	0.52
August 24	82	67	0.63
August 25	90	67	0.00
August 26	92	74	0.00
August 27	92	69	0.00
August 28	89	68	0.00
August 29	91	63	0.00
August 30	91	62	0.00
August 31	92	72	0.00

September 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	86	70	0.11
September 2	81	71	0.23
September 3	91	70	0.00
September 4	95	70	0.00
September 5	95	68	0.00
September 6	92	67	0.00
September 7	92	64	0.00
September 8	84	59	0.00
September 9	95	55	0.00
September 10	89	57	0.00
September 11	92	62	0.00
September 12	93	64	0.00
September 13	91	61	0.00
September 14	76	51	0.00
September 15	87	47	0.00
September 16	70	44	0.00
September 17	69	45	0.04
September 18	63	56	0.45
September 19	71	50	0.00
September 20	74	57	0.01
September 21	75	51	0.00
September 22	61	41	0.00
September 23	65	35	0.00
September 24	83	40	0.00
September 25	89	50	0.00
September 26	91	45	0.00
September 27	72	52	0.00
September 28	71	47	0.00
September 29	63	50	0.02
September 30	72	42	0.00

October 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	73	44	0.00	0.0
October 2	83	52	0.13	0.0
October 3	66	46	0.57	0.0
October 4	78	40	0.00	0.0
October 5	89	54	0.00	0.0
October 6	72	41	0.00	0.0
October 7	55	38	0.00	0.0
October 8	48	39	0.25	0.0
October 9	53	33	0.00	0.0
October 10	57	26	0.00	0.0
October 11	64	38	0.04	0.0
October 12	60	29	0.00	0.0
October 13	63	42	0.00	0.0
October 14	62	37	0.00	0.0
October 15	65	37	0.00	0.0
October 16	74	44	0.00	0.0
October 17	71	33	0.13	0.4
October 18	48	29	0.00	0.0
October 19	68	33	0.00	0.0
October 20	54	40	0.36	0.0
October 21	53	31	0.00	0.0
October 22	66	33	0.00	0.0
October 23	65	38	0.00	0.0
October 24	57	30	0.00	0.0
October 25	63	26	0.00	0.0
October 26	73	37	0.00	0.0
October 27	58	32	0.00	0.0
October 28	62	26	0.00	0.0
October 29	80	40	0.00	0.0
October 30	69	40	0.00	0.0
October 31	78	35	0.00	0.0

November 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	72	54	0.00	0.0
November 2	57	42	0.00	0.0
November 3	43	31	0.52	1.7
November 4	36	26	0.00	0.0
November 5	41	19	0.00	0.0
November 6	35	17	0.29	3.4
November 7	32	8	0.00	0.0
November 8	39	17	0.00	0.0
November 9	47	27	0.00	0.0
November 10	48	32	0.00	0.0
November 11	55	32	0.00	0.0
November 12	53	28	0.00	0.0
November 13	57	28	0.00	0.0
November 14	70	40	0.00	0.0
November 15	67	44	0.00	0.0
November 16	53	26	0.00	0.0
November 17	54	24	0.00	0.0
November 18	56	33	0.00	0.0
November 19	59	32	0.00	0.0
November 20	65	42	0.01	0.0
November 21	65	30	0.00	0.0
November 22	59	30	0.00	0.0
November 23	53	34	0.00	0.0
November 24	68	31	0.00	0.0
November 25	43	25	0.00	0.0
November 26	45	26	0.00	0.0
November 27	27	17	0.05	0.6
November 28	37	10	0.00	0.0
November 29	49	13	0.00	0.0
November 30	62	31	0.00	0.0

December 1990 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	42	19	0.00	0.0
December 2	37	20	0.28	3.1
December 3	29	16	0.08	1.3
December 4	27	9	0.00	0.0
December 5	44	26	0.00	0.0
December 6	40	22	0.00	0.0
December 7	47	22	0.00	0.0
December 8	49	24	0.00	0.0
December 9	55	26	0.00	0.0
December 10	54	25	0.00	0.0
December 11	55	30	0.00	0.0
December 12	42	27	0.00	0.0
December 13	34	20	0.00	0.0
December 14	33	28	0.12	1.6
December 15	34	15	0.01	0.1
December 16	35	17	0.14	0.0
December 17	35	13	0.00	0.1
December 18	30	10	0.00	0.0
December 19	28	8	0.05	0.3
December 20	8	-8	0.01	0.1
December 21	-6	-12	0.03	0.5
December 22	-3	-13	0.00	0.0
December 23	12	-14	0.00	0.0
December 24	26	0	0.00	0.0
December 25	26	-7	0.01	0.1
December 26	15	-7	0.00	0.0
December 27	27	6	0.00	0.0
December 28	31	2	0.03	0.3
December 29	2	-9	0.00	0.0
December 30	1	-11	0.02	0.2
December 31	25	-4	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1948–2024	Sioux City Gateway Airport	location