Sioux City Weather in 2019

Historical record of Sioux City, Iowa weather for the year 2019 based on NOAA data.

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2019 Sioux City Weather Extremes
Highest temperature	99 °F	June 29
Lowest temperature	-18 °F	January 30
Highest daily low	76 °F	June 30
Lowest daily high	2 °F	March 3
Most daily precipitation	2.9 inches	July 1
Most daily snow	5.9 inches	November 26
Total annual precipitation	33.9 inches	-
Total annual snow	35.0 inches	-

What was the hottest temperature in Sioux City in 2019?

The highest temperature recorded in Sioux City, Iowa in 2019 was 99 °F which happened on June 29.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sioux City in 2019

Rank	Temperature	Date
1	99 °F	Jun 29
2	98 °F	Jun 30
3	93 °F	Jul 19
4	92 °F	Jul 18
4	92 °F	Jul 1
4	92 °F	Jun 28
7	91 °F	Jul 12
8	90 °F	Aug 20
8	90 °F	Jul 15
8	90 °F	Jul 14
8	90 °F	Jun 27
8	90 °F	Jun 6
8	90 °F	Jun 4
8	90 °F	May 16

What was the coldest temperature in Sioux City in 2019?

The lowest temperature recorded in Sioux City, Iowa in 2019 was -18 °F which happened on Jan 30.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sioux City in 2019

Rank	Temperature	Date
1	-18 °F	January 30
2	-15 °F	January 29
3	-11 °F	February 21
4	-9 °F	March 6
4	-9 °F	March 3
6	-8 °F	February 19
6	-8 °F	February 8
8	-7 °F	March 4
9	-6 °F	February 18
10	-5 °F	January 25

January 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	9	-2	0.00	0.0
January 2	33	8	0.00	0.0
January 3	48	17	0.00	0.0
January 4	49	23	0.00	0.0
January 5	48	26	0.00	0.0
January 6	43	32	0.00	0.0
January 7	48	33	0.00	0.0
January 8	42	28	0.00	0.0
January 9	28	18	0.00	0.0
January 10	34	15	0.00	0.0
January 11	35	21	0.00	0.0
January 12	31	25	0.00	0.0
January 13	38	27	0.00	0.0
January 14	36	29	0.00	0.0
January 15	41	26	0.00	0.0
January 16	29	14	0.00	0.0
January 17	27	20	0.01	0.2
January 18	21	9	0.05	0.9
January 19	14	1	0.00	0.0
January 20	14	7	0.00	0.0
January 21	24	10	0.00	0.0
January 22	23	14	0.01	0.0
January 23	37	9	0.00	0.0
January 24	29	-4	0.00	0.0
January 25	24	-5	0.00	0.0
January 26	36	8	0.03	0.5
January 27	38	8	0.00	0.0
January 28	39	5	0.00	0.0
January 29	9	-15	0.00	0.0
January 30	4	-18	0.00	0.0
January 31	23	0	0.01	0.1

February 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	51	7	0.00	0.0
February 2	52	27	0.00	0.0
February 3	48	21	0.00	0.0
February 4	20	2	0.00	0.0
February 5	12	3	0.00	0.0
February 6	12	6	0.04	0.9
February 7	6	-2	0.07	1.0
February 8	11	-8	0.00	0.0
February 9	26	0	0.00	0.0
February 10	27	19	0.05	0.5
February 11	25	19	0.10	1.2
February 12	24	6	0.00	0.0
February 13	28	3	0.00	0.0
February 14	28	2	0.00	0.0
February 15	13	1	0.00	0.0
February 16	20	0	0.26	3.6
February 17	22	15	0.19	3.3
February 18	15	-6	0.00	0.0
February 19	18	-8	0.23	2.0
February 20	24	3	0.30	2.6
February 21	23	-11	0.00	0.0
February 22	27	13	0.05	0.3
February 23	31	18	0.10	3.0
February 24	18	2	0.00	0.0
February 25	6	0	0.00	0.0
February 26	10	0	0.00	0.0
February 27	12	0	0.00	0.0
February 28	19	4	0.02	0.2

March 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	25	5	0.00	0.0
March 2	17	0	0.00	0.1
March 3	2	-9	0.00	0.0
March 4	13	-7	0.00	0.0
March 5	19	2	0.00	0.0
March 6	26	-9	0.00	0.0
March 7	22	14	0.13	2.3
March 8	33	21	0.00	0.0
March 9	35	27	0.79	0.1
March 10	33	19	0.00	0.0
March 11	37	25	0.00	0.0
March 12	41	31	0.07	0.0
March 13	51	35	1.63	0.0
March 14	46	31	0.18	0.0
March 15	41	28	0.00	0.0
March 16	46	26	0.00	0.0
March 17	46	27	0.00	0.0
March 18	45	24	0.00	0.0
March 19	50	30	0.00	0.0
March 20	54	31	0.00	0.0
March 21	57	28	0.00	0.0
March 22	57	28	0.00	0.0
March 23	50	31	0.03	0.0
March 24	55	41	0.06	0.0
March 25	51	36	0.00	0.0
March 26	58	35	0.00	0.0
March 27	69	48	0.00	0.0
March 28	51	37	0.00	0.0
March 29	44	34	0.00	0.0
March 30	41	26	0.00	0.0
March 31	53	19	0.00	0.0

April 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	51	28	0.20	1.5
April 2	57	28	0.00	0.0
April 3	52	29	0.82	0.0
April 4	48	42	0.02	0.0
April 5	65	41	0.00	0.0
April 6	77	51	0.45	0.0
April 7	69	45	0.02	0.0
April 8	76	42	0.00	0.0
April 9	67	42	0.00	0.0
April 10	48	34	0.30	0.0
April 11	44	31	0.13	0.0
April 12	37	28	0.00	0.0
April 13	49	28	0.00	0.0
April 14	53	22	0.00	0.0
April 15	77	36	0.00	0.0
April 16	73	38	0.00	0.0
April 17	63	47	0.00	0.0
April 18	56	39	0.00	0.0
April 19	66	30	0.00	0.0
April 20	86	37	0.00	0.0
April 21	81	50	0.00	0.0
April 22	64	42	0.03	0.0
April 23	69	34	0.00	0.0
April 24	79	37	0.00	0.0
April 25	72	49	0.28	0.0
April 26	61	36	0.00	0.0
April 27	50	33	0.13	0.0
April 28	54	32	0.01	0.0
April 29	57	44	0.00	0.0
April 30	52	42	0.18	0.0

May 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	48	41	0.07
May 2	60	38	0.00
May 3	69	37	0.12
May 4	73	40	0.10
May 5	67	47	0.10
May 6	57	47	0.05
May 7	58	44	0.00
May 8	54	37	1.17
May 9	56	37	0.00
May 10	63	33	0.00
May 11	64	39	0.20
May 12	59	41	0.01
May 13	71	37	0.00
May 14	82	53	0.03
May 15	85	53	0.00
May 16	90	57	0.00
May 17	75	59	0.00
May 18	73	56	0.14
May 19	56	43	0.00
May 20	56	35	0.00
May 21	52	47	0.91
May 22	64	48	0.02
May 23	67	45	1.10
May 24	77	53	0.09
May 25	72	53	0.00
May 26	80	46	0.28
May 27	68	57	1.19
May 28	60	52	0.32
May 29	64	55	0.32
May 30	76	54	0.02
May 31	86	54	0.03

June 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	72	53	0.00
June 2	76	46	0.00
June 3	73	56	0.05
June 4	90	61	0.00
June 5	89	62	0.00
June 6	90	62	0.00
June 7	89	63	0.00
June 8	88	63	0.01
June 9	71	52	0.00
June 10	81	46	0.00
June 11	74	52	0.09
June 12	73	50	0.00
June 13	82	43	0.00
June 14	86	61	0.01
June 15	86	64	0.00
June 16	86	57	0.00
June 17	77	63	0.00
June 18	69	56	0.83
June 19	80	52	0.00
June 20	80	55	0.18
June 21	80	64	0.30
June 22	75	65	0.00
June 23	70	59	0.15
June 24	83	56	0.01
June 25	83	60	0.23
June 26	85	59	0.03
June 27	90	69	0.00
June 28	92	71	0.00
June 29	99	72	0.00
June 30	98	76	0.00

July 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	92	69	2.90
July 2	88	69	0.14
July 3	84	67	0.74
July 4	88	69	0.03
July 5	83	69	0.00
July 6	83	66	0.00
July 7	82	64	0.00
July 8	87	65	0.00
July 9	89	69	0.04
July 10	83	65	0.00
July 11	85	59	0.00
July 12	91	61	0.00
July 13	87	68	0.77
July 14	90	69	0.00
July 15	90	73	0.00
July 16	88	70	0.61
July 17	86	67	1.12
July 18	92	71	0.00
July 19	93	75	0.00
July 20	84	66	0.36
July 21	78	65	0.00
July 22	79	58	0.00
July 23	81	53	0.00
July 24	81	55	0.00
July 25	77	62	0.07
July 26	87	63	0.00
July 27	89	66	0.00
July 28	78	64	0.19
July 29	82	60	0.00
July 30	70	58	0.02
July 31	76	61	0.00

August 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	85	62	0.00
August 2	76	65	0.01
August 3	84	66	0.01
August 4	88	64	0.00
August 5	87	68	0.00
August 6	85	59	0.01
August 7	88	63	0.00
August 8	83	63	0.00
August 9	84	57	0.03
August 10	84	69	0.01
August 11	87	70	0.00
August 12	85	71	0.39
August 13	86	63	0.00
August 14	77	56	0.00
August 15	78	54	0.00
August 16	82	59	0.00
August 17	84	61	0.00
August 18	79	62	0.41
August 19	85	57	0.00
August 20	90	67	0.27
August 21	75	60	0.10
August 22	80	54	0.00
August 23	83	56	0.00
August 24	76	58	0.00
August 25	73	63	0.00
August 26	81	61	0.32
August 27	76	55	0.00
August 28	82	50	0.00
August 29	84	62	0.01
August 30	78	53	0.00
August 31	63	59	0.39

September 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	83	59	0.00
September 2	86	64	0.00
September 3	82	57	0.06
September 4	80	50	0.00
September 5	88	61	0.00
September 6	83	59	0.00
September 7	70	59	0.05
September 8	73	62	0.01
September 9	82	65	0.04
September 10	88	63	0.00
September 11	86	65	2.21
September 12	77	60	0.33
September 13	76	55	0.00
September 14	81	55	0.99
September 15	88	60	0.00
September 16	86	64	0.00
September 17	88	72	0.00
September 18	82	67	0.11
September 19	83	63	0.06
September 20	85	68	0.00
September 21	86	63	0.00
September 22	72	51	0.09
September 23	81	49	0.00
September 24	84	55	0.02
September 25	63	47	0.00
September 26	69	43	0.00
September 27	74	53	0.00
September 28	69	45	0.00
September 29	76	59	0.01
September 30	89	62	0.04

October 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	62	50	1.57
October 2	52	47	0.17
October 3	54	37	0.00
October 4	57	34	0.12
October 5	63	41	0.12
October 6	67	39	0.00
October 7	72	35	0.00
October 8	72	42	0.00
October 9	68	49	0.00
October 10	56	35	0.17
October 11	38	29	0.00
October 12	54	29	0.00
October 13	53	29	0.00
October 14	66	24	0.00
October 15	54	43	0.00
October 16	55	35	0.00
October 17	68	33	0.00
October 18	77	49	0.00
October 19	70	39	0.01
October 20	63	37	0.00
October 21	57	41	0.13
October 22	54	37	0.00
October 23	45	33	0.11
October 24	49	27	0.00
October 25	59	23	0.00
October 26	60	30	0.00
October 27	44	31	0.00
October 28	37	20	0.00
October 29	40	21	0.00
October 30	34	20	0.00
October 31	44	17	0.00

November 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	50	30	0.00	0.0
November 2	52	29	0.00	0.0
November 3	44	22	0.01	0.0
November 4	48	26	0.00	0.0
November 5	36	26	0.00	0.0
November 6	35	19	0.00	0.1
November 7	33	11	0.00	0.0
November 8	50	18	0.00	0.0
November 9	62	24	0.00	0.0
November 10	42	18	0.04	0.7
November 11	18	1	0.05	1.3
November 12	25	-4	0.00	0.0
November 13	42	23	0.08	0.0
November 14	43	18	0.00	0.0
November 15	54	22	0.00	0.0
November 16	54	35	0.00	0.0
November 17	47	24	0.00	0.0
November 18	59	23	0.00	0.0
November 19	55	30	0.00	0.0
November 20	61	33	0.19	0.0
November 21	43	22	0.23	0.0
November 22	38	16	0.00	0.0
November 23	49	19	0.00	0.0
November 24	59	24	0.00	0.0
November 25	50	31	0.00	0.0
November 26	37	29	0.45	5.9
November 27	33	25	0.00	0.0
November 28	30	24	0.00	0.0
November 29	33	30	0.31	0.0
November 30	42	33	0.05	0.0

December 2019 Sioux City Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	33	20	0.01	0.1
December 2	37	15	0.00	0.0
December 3	45	25	0.00	0.0
December 4	47	27	0.00	0.0
December 5	48	25	0.00	0.0
December 6	33	24	0.00	0.0
December 7	50	23	0.00	0.0
December 8	49	27	0.00	0.0
December 9	33	6	0.09	1.0
December 10	20	10	0.00	0.0
December 11	22	13	0.00	0.0
December 12	28	19	0.00	0.0
December 13	31	20	0.00	0.0
December 14	23	11	0.00	0.0
December 15	18	2	0.07	1.0
December 16	22	1	0.00	0.0
December 17	32	2	0.00	0.0
December 18	37	6	0.00	0.0
December 19	40	14	0.00	0.0
December 20	36	19	0.00	0.0
December 21	50	18	0.00	0.0
December 22	50	24	0.00	0.0
December 23	42	24	0.00	0.0
December 24	41	27	0.00	0.0
December 25	34	30	0.00	0.0
December 26	32	23	0.00	0.0
December 27	42	16	0.00	0.0
December 28	37	33	1.38	0.0
December 29	34	24	0.41	0.6
December 30	28	20	0.00	0.0
December 31	32	24	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1948–2024	Sioux City Gateway Airport	location