Sioux Falls Weather in 2018

Historical record of Sioux Falls, South Dakota weather for the year 2018 based on NOAA data.

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2018 Sioux Falls Weather Extremes
Highest temperature	95 °F	July 12
Lowest temperature	-25 °F	January 2
Highest daily low	77 °F	June 15
Lowest daily high	-7 °F	January 1
Most daily precipitation	3.4 inches	June 20
Most daily snow	13.7 inches	April 14
Total annual precipitation	39.2 inches	-
Total annual snow	70.8 inches	-

What was the hottest temperature in Sioux Falls in 2018?

The highest temperature recorded in Sioux Falls, South Dakota in 2018 was 95 °F which happened 5 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Sioux Falls in 2018

Rank	Temperature	Date
1	95 °F	Jul 12
1	95 °F	Jul 11
1	95 °F	Jun 16
1	95 °F	Jun 5
1	95 °F	May 27
6	93 °F	Sep 15
6	93 °F	Jun 15
6	93 °F	May 26
9	92 °F	Jul 9
10	91 °F	Jun 6
10	91 °F	Jun 1

What was the coldest temperature in Sioux Falls in 2018?

The lowest temperature recorded in Sioux Falls, South Dakota in 2018 was -25 °F which happened on Jan 2.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Sioux Falls in 2018

Rank	Temperature	Date
1	-25 °F	January 2
2	-24 °F	January 1
3	-13 °F	February 6
4	-10 °F	February 12
4	-10 °F	February 10
6	-8 °F	February 21
6	-8 °F	January 13
6	-8 °F	January 12
9	-7 °F	December 29
9	-7 °F	February 5
9	-7 °F	January 16

January 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	-7	-24	0.00	0.0
January 2	20	-25	0.00	0.0
January 3	14	-4	0.00	0.0
January 4	10	-3	0.00	0.0
January 5	9	3	0.00	0.0
January 6	18	1	0.00	0.0
January 7	37	17	0.00	0.0
January 8	40	14	0.00	0.0
January 9	44	24	0.00	0.0
January 10	37	23	0.00	0.0
January 11	22	-4	0.04	1.2
January 12	6	-8	0.00	0.0
January 13	11	-8	0.00	0.0
January 14	28	6	0.04	0.4
January 15	6	-5	0.00	0.0
January 16	7	-7	0.00	0.0
January 17	32	4	0.00	0.0
January 18	40	10	0.00	0.0
January 19	52	26	0.00	0.0
January 20	45	22	0.00	0.0
January 21	42	27	0.02	0.2
January 22	32	24	0.21	2.5
January 23	26	21	0.00	0.0
January 24	31	14	0.00	0.0
January 25	38	13	0.00	0.0
January 26	46	29	0.00	0.0
January 27	42	21	0.07	1.5
January 28	21	1	0.00	0.0
January 29	19	-3	0.00	0.0
January 30	36	10	0.00	0.0
January 31	43	12	0.00	0.0

February 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	13	2	0.00	0.0
February 2	31	0	0.00	0.0
February 3	41	5	0.00	0.0
February 4	10	-2	0.00	0.0
February 5	17	-7	0.14	2.3
February 6	8	-13	0.00	0.0
February 7	12	-1	0.03	0.5
February 8	16	-4	0.23	2.9
February 9	9	1	0.01	0.1
February 10	6	-10	0.00	0.0
February 11	20	-6	0.00	0.0
February 12	13	-10	0.01	0.1
February 13	29	12	0.00	0.0
February 14	48	9	0.00	0.0
February 15	34	9	0.00	0.1
February 16	25	1	0.00	0.0
February 17	33	13	0.11	1.3
February 18	44	19	0.00	0.0
February 19	19	14	0.01	0.2
February 20	14	1	0.16	2.5
February 21	20	-8	0.00	0.0
February 22	25	7	0.31	3.6
February 23	24	14	0.00	0.0
February 24	21	11	0.15	1.6
February 25	32	9	0.00	0.0
February 26	42	9	0.00	0.0
February 27	37	15	0.00	0.0
February 28	37	13	0.00	0.0

March 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	37	14	0.00	0.0
March 2	41	14	0.00	0.0
March 3	46	32	0.00	0.0
March 4	48	39	0.00	0.0
March 5	43	22	0.31	3.7
March 6	30	18	0.03	0.4
March 7	24	19	0.00	0.1
March 8	31	10	0.00	0.0
March 9	36	25	0.01	0.2
March 10	38	27	0.05	0.3
March 11	33	24	0.00	0.0
March 12	40	20	0.00	0.0
March 13	41	20	0.00	0.0
March 14	56	26	0.00	0.0
March 15	44	24	0.00	0.0
March 16	40	30	0.27	0.2
March 17	38	30	0.00	0.0
March 18	41	33	0.00	0.0
March 19	42	33	0.00	0.0
March 20	36	32	0.15	1.0
March 21	51	29	0.00	0.0
March 22	52	27	0.00	0.0
March 23	44	34	0.91	0.0
March 24	34	28	0.19	1.5
March 25	34	29	0.04	0.0
March 26	35	32	0.10	0.0
March 27	55	33	0.00	0.0
March 28	50	31	0.00	0.0
March 29	40	24	0.00	0.0
March 30	50	24	0.00	0.0
March 31	50	19	0.00	0.0

April 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	36	16	0.00	0.0
April 2	37	24	0.03	0.6
April 3	32	9	0.44	5.3
April 4	30	5	0.00	0.0
April 5	47	20	0.00	0.0
April 6	27	15	0.00	0.0
April 7	38	12	0.00	0.0
April 8	30	27	0.30	4.8
April 9	37	27	0.00	0.0
April 10	58	29	0.00	0.0
April 11	53	31	0.00	0.0
April 12	60	31	0.00	0.0
April 13	46	32	0.67	0.5
April 14	32	22	1.28	13.7
April 15	28	21	0.02	0.3
April 16	34	16	0.00	0.0
April 17	41	18	0.00	0.0
April 18	36	30	0.40	6.2
April 19	50	23	0.00	0.0
April 20	49	28	0.00	0.0
April 21	51	37	0.00	0.0
April 22	63	31	0.00	0.0
April 23	70	33	0.00	0.0
April 24	51	38	0.00	0.0
April 25	61	28	0.00	0.0
April 26	61	37	0.00	0.0
April 27	64	34	0.00	0.0
April 28	61	30	0.00	0.0
April 29	76	44	0.00	0.0
April 30	85	59	0.20	0.0

May 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	67	48	0.00
May 2	66	40	0.00
May 3	71	45	0.00
May 4	78	47	0.00
May 5	84	50	0.00
May 6	78	51	0.00
May 7	81	51	0.00
May 8	70	52	0.77
May 9	76	52	0.00
May 10	59	42	0.48
May 11	51	42	0.76
May 12	55	45	0.00
May 13	66	49	0.03
May 14	72	50	0.00
May 15	77	46	0.00
May 16	84	50	0.00
May 17	82	53	0.00
May 18	76	55	0.00
May 19	63	47	0.00
May 20	60	48	0.02
May 21	68	53	0.13
May 22	79	46	0.00
May 23	86	63	0.00
May 24	86	63	0.23
May 25	89	61	0.00
May 26	93	57	0.00
May 27	95	62	0.00
May 28	89	67	0.00
May 29	82	61	0.05
May 30	81	62	0.01
May 31	88	56	0.00

June 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	91	58	0.21
June 2	75	55	0.22
June 3	78	52	0.00
June 4	88	51	0.00
June 5	95	63	0.00
June 6	91	66	0.00
June 7	78	62	0.04
June 8	87	62	0.03
June 9	82	65	0.19
June 10	88	66	0.00
June 11	78	67	0.03
June 12	78	54	0.00
June 13	79	47	0.12
June 14	87	59	0.00
June 15	93	77	0.00
June 16	95	76	0.00
June 17	88	66	0.56
June 18	74	66	0.05
June 19	72	64	0.00
June 20	64	58	3.35
June 21	73	56	1.34
June 22	78	56	0.00
June 23	76	58	0.00
June 24	82	65	0.12
June 25	74	62	0.78
June 26	81	66	0.00
June 27	85	62	0.08
June 28	85	61	0.00
June 29	90	75	0.00
June 30	78	66	0.17

July 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	80	61	1.52
July 2	83	64	0.00
July 3	87	69	0.00
July 4	88	70	0.20
July 5	80	62	0.00
July 6	82	59	0.00
July 7	86	65	0.00
July 8	90	69	0.00
July 9	92	70	0.00
July 10	89	71	0.00
July 11	95	74	0.00
July 12	95	67	1.53
July 13	82	67	0.65
July 14	84	62	0.00
July 15	87	63	0.00
July 16	84	58	0.00
July 17	83	61	0.00
July 18	81	61	0.31
July 19	82	65	0.30
July 20	82	62	0.00
July 21	81	63	0.00
July 22	82	63	0.00
July 23	81	64	0.40
July 24	85	57	0.00
July 25	83	62	0.03
July 26	75	57	0.00
July 27	77	52	0.00
July 28	79	54	0.00
July 29	80	54	0.00
July 30	81	58	0.00
July 31	83	55	0.00

August 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	76	54	0.09
August 2	78	48	0.00
August 3	88	68	0.67
August 4	84	69	0.29
August 5	76	60	1.09
August 6	85	59	0.62
August 7	82	60	0.04
August 8	87	64	0.00
August 9	85	64	0.00
August 10	86	61	0.00
August 11	88	69	0.00
August 12	88	70	0.00
August 13	90	67	0.00
August 14	86	69	0.23
August 15	84	64	0.06
August 16	78	65	0.64
August 17	84	62	0.00
August 18	82	61	0.00
August 19	77	66	0.57
August 20	74	61	0.17
August 21	73	54	0.00
August 22	76	50	0.00
August 23	74	61	0.03
August 24	81	66	0.01
August 25	84	59	0.00
August 26	87	70	0.00
August 27	78	66	0.16
August 28	66	53	0.65
August 29	75	49	0.00
August 30	76	60	0.00
August 31	82	68	0.01

September 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	82	64	0.00
September 2	81	67	0.00
September 3	79	64	0.00
September 4	73	68	0.42
September 5	74	54	0.06
September 6	75	48	0.00
September 7	74	52	0.00
September 8	73	48	0.00
September 9	74	54	0.00
September 10	79	59	0.00
September 11	85	62	0.00
September 12	85	65	0.00
September 13	79	66	0.00
September 14	85	69	0.00
September 15	93	71	0.00
September 16	90	71	0.00
September 17	77	64	0.00
September 18	70	61	0.71
September 19	71	61	2.66
September 20	69	55	3.07
September 21	59	45	0.00
September 22	70	45	0.00
September 23	78	52	0.00
September 24	66	56	0.00
September 25	63	47	0.40
September 26	66	43	0.00
September 27	65	48	0.00
September 28	57	38	0.00
September 29	47	36	0.00
September 30	55	45	0.00

October 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	53	46	0.02	0.0
October 2	60	49	0.00	0.0
October 3	86	37	0.00	0.0
October 4	44	32	0.27	0.0
October 5	48	41	0.00	0.0
October 6	50	37	0.00	0.0
October 7	49	41	0.09	0.0
October 8	52	47	0.20	0.0
October 9	47	42	1.55	0.0
October 10	44	34	0.13	0.0
October 11	38	29	0.00	0.0
October 12	42	30	0.04	0.0
October 13	59	31	0.00	0.0
October 14	39	29	0.15	2.8
October 15	46	26	0.00	0.0
October 16	61	36	0.00	0.0
October 17	57	30	0.00	0.0
October 18	71	35	0.00	0.0
October 19	66	44	0.00	0.0
October 20	47	30	0.00	0.0
October 21	66	31	0.00	0.0
October 22	67	30	0.00	0.0
October 23	55	25	0.00	0.0
October 24	59	34	0.00	0.0
October 25	53	46	0.13	0.0
October 26	63	38	0.00	0.0
October 27	63	33	0.03	0.0
October 28	59	36	0.00	0.0
October 29	67	33	0.00	0.0
October 30	56	36	0.00	0.0
October 31	60	32	0.00	0.0

November 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	58	28	0.04	0.0
November 2	44	40	0.25	0.0
November 3	45	40	0.29	0.0
November 4	43	38	0.00	0.0
November 5	45	36	0.39	0.0
November 6	39	27	0.00	0.0
November 7	30	20	0.00	0.0
November 8	31	16	0.04	0.9
November 9	23	9	0.00	0.0
November 10	29	9	0.00	0.0
November 11	32	20	0.00	0.0
November 12	24	10	0.00	0.0
November 13	40	10	0.00	0.0
November 14	53	18	0.00	0.0
November 15	59	27	0.00	0.0
November 16	38	25	0.00	0.0
November 17	25	9	0.00	0.0
November 18	40	9	0.00	0.0
November 19	34	10	0.00	0.0
November 20	51	9	0.00	0.0
November 21	41	21	0.00	0.0
November 22	62	28	0.00	0.0
November 23	51	35	0.00	0.0
November 24	42	26	0.00	0.0
November 25	28	17	0.00	0.0
November 26	24	10	0.00	0.0
November 27	26	6	0.00	0.0
November 28	29	25	0.02	0.1
November 29	37	21	0.00	0.0
November 30	34	30	0.00	0.0

December 2018 Sioux Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	33	29	0.21	0.7
December 2	31	24	0.04	0.5
December 3	25	22	0.00	0.0
December 4	29	21	0.00	0.0
December 5	33	17	0.00	0.0
December 6	24	17	0.01	0.1
December 7	29	11	0.00	0.0
December 8	27	8	0.00	0.0
December 9	26	13	0.00	0.0
December 10	32	12	0.00	0.0
December 11	31	10	0.01	0.1
December 12	34	26	0.00	0.0
December 13	43	21	0.00	0.0
December 14	46	19	0.00	0.0
December 15	47	19	0.00	0.0
December 16	49	22	0.00	0.0
December 17	47	19	0.00	0.0
December 18	44	28	0.00	0.0
December 19	47	24	0.00	0.0
December 20	42	23	0.00	0.0
December 21	30	21	0.00	0.0
December 22	41	28	0.00	0.0
December 23	34	14	0.00	0.0
December 24	38	16	0.00	0.0
December 25	33	26	0.00	0.0
December 26	37	27	0.50	1.2
December 27	37	17	0.40	3.4
December 28	17	-4	0.00	0.1
December 29	22	-7	0.00	0.0
December 30	34	20	0.00	0.0
December 31	33	0	0.06	1.1

Next Year >

Weather Station Details

Years	Station	Coordinates
1932–2024	Sioux Falls	location