Sioux City Weather in 1978

Historical record of Sioux City, Iowa weather for the year 1978 based on NOAA data.

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1978 Sioux City Weather Extremes
Highest temperature	96 °F	July 5
Lowest temperature	-20 °F	February 2
Highest daily low	75 °F	June 16
Lowest daily high	-1 °F	January 9
Most daily precipitation	1.7 inches	August 1
Most daily snow	4.3 inches	December 2
Total annual precipitation	22.1 inches	-
Total annual snow	27.8 inches	-

What was the hottest temperature in Sioux City in 1978?

The highest temperature recorded in Sioux City, Iowa in 1978 was 96 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sioux City in 1978

Rank	Temperature	Date
1	96 °F	Jul 5
1	96 °F	Jun 30
3	95 °F	Sep 7
3	95 °F	Aug 14
3	95 °F	Jul 17
3	95 °F	Jun 29
7	94 °F	Jul 4
8	93 °F	Jul 16
8	93 °F	Jun 16
10	92 °F	Sep 11
10	92 °F	Aug 13
10	92 °F	Jul 28
10	92 °F	Jul 25
10	92 °F	Jun 15
10	92 °F	Jun 14
10	92 °F	Jun 10

What was the coldest temperature in Sioux City in 1978?

The lowest temperature recorded in Sioux City, Iowa in 1978 was -20 °F which happened on Feb 2.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sioux City in 1978

Rank	Temperature	Date
1	-20 °F	February 2
2	-19 °F	December 8
2	-19 °F	February 17
4	-17 °F	February 18
5	-15 °F	January 31
5	-15 °F	January 17
5	-15 °F	January 10
8	-14 °F	December 9
9	-12 °F	March 4
9	-12 °F	January 29

January 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	8	-5	0.00	0.0
January 2	19	4	0.00	0.0
January 3	31	3	0.00	0.0
January 4	21	10	0.00	0.0
January 5	26	19	0.00	0.0
January 6	33	22	0.00	0.0
January 7	26	10	0.00	0.0
January 8	10	-5	0.00	0.0
January 9	-1	-9	0.00	0.0
January 10	1	-15	0.00	0.0
January 11	20	-2	0.00	0.0
January 12	23	15	0.02	0.2
January 13	21	9	0.00	0.0
January 14	12	-3	0.00	0.0
January 15	11	-4	0.00	0.0
January 16	7	-11	0.00	0.0
January 17	7	-15	0.00	0.0
January 18	15	2	0.09	0.6
January 19	4	-8	0.00	0.0
January 20	6	-11	0.00	0.0
January 21	16	-8	0.00	0.0
January 22	26	11	0.00	0.0
January 23	32	11	0.00	0.0
January 24	30	15	0.00	0.0
January 25	27	-3	0.04	0.4
January 26	2	-7	0.00	0.0
January 27	4	-11	0.00	0.0
January 28	7	-5	0.00	0.0
January 29	10	-12	0.00	0.0
January 30	18	-3	0.04	0.5
January 31	14	-15	0.01	0.1

February 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	16	-11	0.26	4.0
February 2	4	-20	0.00	0.0
February 3	16	-9	0.00	0.0
February 4	18	3	0.00	0.0
February 5	5	-9	0.00	0.0
February 6	10	-10	0.00	0.0
February 7	14	6	0.02	0.2
February 8	17	6	0.00	0.0
February 9	20	14	0.02	0.2
February 10	22	17	0.00	0.0
February 11	26	20	0.00	0.0
February 12	24	19	0.15	1.5
February 13	22	14	0.34	3.0
February 14	14	5	0.00	0.0
February 15	14	-8	0.00	0.0
February 16	8	-9	0.00	0.0
February 17	9	-19	0.00	0.0
February 18	8	-17	0.00	0.0
February 19	20	-10	0.02	0.3
February 20	21	1	0.04	0.6
February 21	16	-10	0.00	0.0
February 22	38	4	0.04	0.3
February 23	33	21	0.00	0.0
February 24	38	16	0.00	0.0
February 25	20	7	0.00	0.0
February 26	19	-5	0.01	0.1
February 27	32	19	0.00	0.0
February 28	23	3	0.07	0.6

March 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	20	-4	0.00	0.0
March 2	23	8	0.15	1.8
March 3	8	-5	0.00	0.0
March 4	11	-12	0.00	0.0
March 5	26	1	0.00	0.0
March 6	27	22	0.04	0.4
March 7	30	16	0.02	0.2
March 8	26	5	0.00	0.0
March 9	37	8	0.00	0.0
March 10	37	20	0.03	0.2
March 11	34	26	0.01	0.1
March 12	35	23	0.00	0.0
March 13	35	33	0.35	0.3
March 14	34	29	0.00	0.0
March 15	39	27	0.00	0.0
March 16	37	25	0.00	0.0
March 17	33	20	0.00	0.0
March 18	58	27	0.00	0.0
March 19	48	32	0.00	0.0
March 20	53	31	0.00	0.0
March 21	61	27	0.00	0.0
March 22	54	34	0.00	0.0
March 23	46	29	0.00	0.0
March 24	43	26	0.00	0.0
March 25	49	23	0.00	0.0
March 26	58	23	0.00	0.0
March 27	78	31	0.00	0.0
March 28	62	32	0.00	0.0
March 29	60	34	0.00	0.0
March 30	84	36	0.00	0.0
March 31	89	50	0.00	0.0

April 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	54	38	0.00
April 2	52	37	0.22
April 3	80	34	0.00
April 4	62	39	0.00
April 5	53	41	1.52
April 6	71	46	0.00
April 7	69	45	0.00
April 8	73	48	0.16
April 9	60	42	0.50
April 10	56	37	0.00
April 11	69	32	0.00
April 12	60	35	0.00
April 13	56	31	0.00
April 14	51	39	0.00
April 15	53	36	0.00
April 16	52	43	0.00
April 17	46	40	0.80
April 18	41	35	0.41
April 19	39	32	0.06
April 20	41	29	0.00
April 21	58	25	0.00
April 22	46	42	0.14
April 23	57	41	0.00
April 24	46	40	0.00
April 25	64	35	0.00
April 26	64	42	0.00
April 27	69	39	0.00
April 28	70	50	0.00
April 29	63	50	0.00
April 30	63	50	0.08

May 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	60	37	0.00
May 2	63	30	0.00
May 3	64	30	0.00
May 4	64	46	0.00
May 5	65	41	0.00
May 6	57	39	0.25
May 7	51	45	0.35
May 8	52	41	0.04
May 9	69	44	0.01
May 10	83	40	0.00
May 11	77	56	0.09
May 12	62	49	0.15
May 13	68	45	0.00
May 14	75	40	0.00
May 15	75	41	0.00
May 16	72	47	0.00
May 17	72	52	0.00
May 18	78	51	0.00
May 19	87	59	0.00
May 20	73	48	0.00
May 21	80	41	0.00
May 22	74	53	0.00
May 23	74	60	0.06
May 24	89	58	0.00
May 25	89	68	0.01
May 26	79	64	0.02
May 27	76	64	0.00
May 28	75	59	0.36
May 29	70	56	1.17
May 30	77	52	0.02
May 31	64	52	0.86

June 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	63	48	0.00
June 2	71	43	0.00
June 3	75	54	0.00
June 4	80	49	0.00
June 5	78	51	0.00
June 6	81	51	0.00
June 7	65	48	0.00
June 8	76	40	0.00
June 9	88	50	0.00
June 10	92	69	0.00
June 11	86	60	0.00
June 12	78	55	0.00
June 13	86	54	0.00
June 14	92	67	0.04
June 15	92	70	0.00
June 16	93	75	0.00
June 17	80	62	0.94
June 18	80	55	0.00
June 19	88	60	0.01
June 20	74	54	0.00
June 21	79	51	0.20
June 22	73	60	0.07
June 23	75	65	0.00
June 24	88	68	0.00
June 25	91	68	0.24
June 26	84	66	0.00
June 27	87	60	0.00
June 28	91	66	0.00
June 29	95	73	0.00
June 30	96	72	0.00

July 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	88	71	0.06
July 2	91	64	0.00
July 3	90	65	0.00
July 4	94	72	0.00
July 5	96	65	0.67
July 6	85	64	0.40
July 7	80	63	0.00
July 8	80	60	0.00
July 9	72	58	0.00
July 10	75	53	0.00
July 11	80	59	0.00
July 12	91	67	0.10
July 13	82	58	0.00
July 14	90	66	0.00
July 15	91	60	0.00
July 16	93	65	0.00
July 17	95	73	0.02
July 18	86	66	0.14
July 19	90	64	0.00
July 20	79	64	0.24
July 21	79	67	0.53
July 22	72	59	0.92
July 23	79	52	0.00
July 24	82	57	0.00
July 25	92	69	0.17
July 26	84	65	0.00
July 27	81	61	0.00
July 28	92	61	0.00
July 29	74	62	0.00
July 30	80	61	0.00
July 31	79	58	0.00

August 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	84	55	1.72
August 2	79	60	0.00
August 3	71	52	0.00
August 4	76	46	0.00
August 5	82	53	0.00
August 6	83	62	0.00
August 7	89	60	0.00
August 8	89	65	0.00
August 9	84	60	0.00
August 10	83	60	0.00
August 11	84	64	0.00
August 12	90	63	0.00
August 13	92	68	0.00
August 14	95	68	0.68
August 15	77	62	1.19
August 16	84	57	0.00
August 17	88	65	0.00
August 18	71	56	0.36
August 19	78	51	0.00
August 20	81	52	0.00
August 21	89	66	0.00
August 22	89	70	0.00
August 23	90	72	0.00
August 24	85	67	0.00
August 25	83	67	0.03
August 26	79	69	0.27
August 27	79	64	0.00
August 28	77	58	0.00
August 29	79	52	0.00
August 30	81	53	0.00
August 31	81	55	0.00

September 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	83	63	0.34
September 2	85	61	0.00
September 3	89	64	0.00
September 4	88	62	0.00
September 5	90	62	0.00
September 6	90	66	0.00
September 7	95	65	0.00
September 8	91	65	0.00
September 9	90	62	0.00
September 10	88	63	0.00
September 11	92	68	0.02
September 12	83	69	0.00
September 13	70	54	1.03
September 14	75	52	0.00
September 15	79	56	0.00
September 16	79	56	0.00
September 17	67	49	0.17
September 18	87	62	0.00
September 19	78	58	0.00
September 20	59	48	0.17
September 21	70	40	0.04
September 22	73	43	0.00
September 23	77	46	0.00
September 24	83	48	0.00
September 25	77	49	0.00
September 26	83	48	0.00
September 27	70	45	0.00
September 28	77	45	0.00
September 29	71	56	0.00
September 30	68	47	0.00

October 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	81	43	0.00
October 2	73	48	0.05
October 3	59	42	0.00
October 4	64	33	0.00
October 5	55	44	0.00
October 6	54	33	0.00
October 7	61	28	0.00
October 8	71	34	0.00
October 9	72	44	0.02
October 10	70	40	0.00
October 11	75	44	0.00
October 12	56	44	0.21
October 13	55	38	0.14
October 14	54	35	0.00
October 15	62	35	0.00
October 16	54	27	0.00
October 17	66	37	0.00
October 18	58	35	0.00
October 19	73	30	0.00
October 20	87	39	0.00
October 21	73	53	0.00
October 22	62	36	0.26
October 23	52	26	0.00
October 24	69	40	0.00
October 25	57	32	0.07
October 26	56	25	0.00
October 27	59	29	0.00
October 28	60	28	0.00
October 29	74	38	0.00
October 30	63	42	0.00
October 31	56	32	0.00

November 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	68	28	0.00	0.0
November 2	70	39	0.00	0.0
November 3	81	44	0.00	0.0
November 4	73	34	0.00	0.0
November 5	67	40	0.00	0.0
November 6	50	32	0.00	0.0
November 7	61	30	0.00	0.0
November 8	69	37	0.00	0.0
November 9	64	40	0.00	0.0
November 10	50	38	0.00	0.0
November 11	38	30	0.10	0.5
November 12	44	30	0.15	0.0
November 13	49	25	0.02	0.0
November 14	36	19	0.00	0.0
November 15	39	18	0.00	0.0
November 16	33	22	0.23	2.2
November 17	35	19	0.16	1.7
November 18	30	13	0.00	0.0
November 19	18	9	0.00	0.0
November 20	16	11	0.00	0.0
November 21	16	10	0.00	0.0
November 22	31	16	0.04	0.2
November 23	32	12	0.00	0.0
November 24	36	9	0.00	0.0
November 25	34	16	0.00	0.0
November 26	30	21	0.01	0.1
November 27	30	11	0.00	0.0
November 28	37	0	0.00	0.0
November 29	38	17	0.00	0.0
November 30	26	16	0.00	0.0

December 1978 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	25	16	0.02	0.2
December 2	16	10	0.46	4.3
December 3	10	-3	0.00	0.0
December 4	40	-9	0.00	0.0
December 5	33	16	0.10	1.0
December 6	17	-3	0.00	0.0
December 7	8	-10	0.05	0.8
December 8	3	-19	0.00	0.0
December 9	9	-14	0.00	0.0
December 10	35	-7	0.00	0.0
December 11	35	17	0.00	0.0
December 12	38	22	0.00	0.0
December 13	31	15	0.00	0.0
December 14	32	9	0.00	0.0
December 15	31	11	0.00	0.0
December 16	35	15	0.00	0.0
December 17	37	4	0.00	0.0
December 18	35	19	0.00	0.0
December 19	33	27	0.00	0.0
December 20	28	12	0.14	0.9
December 21	36	14	0.00	0.0
December 22	36	21	0.00	0.0
December 23	33	2	0.01	0.1
December 24	7	-7	0.00	0.0
December 25	17	-2	0.02	0.2
December 26	24	5	0.00	0.0
December 27	30	4	0.00	0.0
December 28	33	16	0.00	0.0
December 29	16	2	0.00	0.0
December 30	6	1	0.00	0.0
December 31	6	-2	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1948–2024	Sioux City Gateway Airport	location