Summit Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Summit, South Dakota, based on NOAA data.

Also see:

What's the hottest day of the year in Summit?

On average, July 18 is the hottest day of the year Summit, South Dakota. From 1991–2020, the average high temperature on July 18 was 81.7 °F and the average low was 58.3 °F.

What's the coldest day of the year in Summit?

On average, January 13 is the coldest day of the year Summit, South Dakota. From 1991–2020, the average high temperature on January 13 was 19.8 °F, and the average low was 2.0 °F.

Average Temperature by Day

Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.

Day	Average (°F)
Day	High	Low
January 1	21.2	4.1
January 2	21.0	3.8
January 3	20.8	3.6
January 4	20.6	3.2
January 5	20.5	2.9
January 6	20.3	2.8
January 7	20.2	2.7
January 8	20.2	2.7
January 9	20.1	2.5
January 10	20.0	2.4
January 11	19.8	2.2
January 12	19.8	2.1
January 13	19.8	2.0
January 14	19.9	2.0
January 15	20.0	2.0
January 16	20.1	1.9
January 17	20.2	2.0
January 18	20.3	2.1
January 19	20.5	2.3
January 20	20.6	2.3
January 21	20.7	2.4
January 22	20.9	2.6
January 23	21.0	2.7
January 24	21.1	2.8
January 25	21.1	2.7
January 26	21.2	2.8
January 27	21.4	2.8
January 28	21.6	2.9
January 29	21.7	3.0
January 30	22.0	3.2
January 31	22.1	3.4
February 1	22.2	3.5
February 2	22.4	3.8
February 3	22.7	4.2
February 4	23.0	4.4
February 5	23.2	4.6
February 6	23.5	4.8
February 7	23.7	5.0
February 8	24.0	5.2
February 9	24.3	5.4
February 10	24.4	5.5
February 11	24.5	5.6
February 12	24.6	5.6
February 13	24.7	5.8
February 14	25.0	6.1
February 15	25.2	6.2
February 16	25.3	6.2
February 17	25.5	6.3
February 18	25.7	6.6
February 19	26.1	6.9
February 20	26.4	7.2
February 21	26.6	7.4
February 22	26.8	7.7
February 23	27.2	8.0
February 24	27.5	8.4
February 25	28.0	8.8
February 26	28.4	9.3
February 27	29.0	9.9
February 28	29.4	10.3
March 1	29.9	10.8
March 2	30.5	11.3
March 3	31.0	11.8
March 4	31.4	12.3
March 5	31.9	12.8
March 6	32.4	13.2
March 7	32.8	13.6
March 8	33.3	14.0
March 9	33.8	14.6
March 10	34.3	15.0
March 11	34.8	15.5
March 12	35.4	15.9
March 13	36.1	16.5
March 14	36.8	17.2
March 15	37.4	17.8
March 16	38.1	18.4
March 17	38.9	19.1
March 18	39.5	19.7
March 19	40.1	20.1
March 20	40.5	20.5
March 21	41.1	20.8
March 22	41.8	21.4
March 23	42.4	21.8
March 24	43.0	22.3
March 25	43.5	22.8
March 26	44.1	23.2
March 27	44.6	23.5
March 28	45.0	23.8
March 29	45.3	24.2
March 30	45.8	24.5
March 31	46.4	25.0
April 1	46.9	25.4
April 2	47.4	25.6
April 3	47.8	25.8
April 4	48.4	26.3
April 5	48.8	26.7
April 6	49.4	27.1
April 7	49.9	27.4
April 8	50.4	27.7
April 9	51.1	28.1
April 10	51.8	28.6
April 11	52.3	29.0
April 12	52.7	29.3
April 13	53.1	29.5
April 14	53.5	29.8
April 15	53.9	30.1
April 16	54.3	30.5
April 17	54.8	30.9
April 18	55.3	31.2
April 19	55.9	31.7
April 20	56.3	32.0
April 21	56.8	32.4
April 22	57.4	32.9
April 23	58.0	33.4
April 24	58.5	34.0
April 25	58.9	34.4
April 26	59.4	34.8
April 27	59.9	35.2
April 28	60.2	35.5
April 29	60.5	35.8
April 30	61.0	36.1
May 1	61.5	36.5
May 2	62.0	37.0
May 3	62.5	37.3
May 4	63.1	37.7
May 5	63.5	38.1
May 6	63.9	38.5
May 7	64.3	39.0
May 8	64.6	39.4
May 9	64.9	39.8
May 10	65.2	40.2
May 11	65.6	40.7
May 12	66.0	41.1
May 13	66.3	41.5
May 14	66.7	42.0
May 15	67.2	42.4
May 16	67.6	42.9
May 17	68.1	43.4
May 18	68.4	43.8
May 19	68.7	44.2
May 20	68.9	44.6
May 21	69.2	44.8
May 22	69.5	45.2
May 23	69.9	45.4
May 24	70.3	45.8
May 25	70.7	46.2
May 26	71.1	46.7
May 27	71.5	47.2
May 28	71.9	47.6
May 29	72.2	48.0
May 30	72.4	48.3
May 31	72.6	48.7
June 1	72.8	49.1
June 2	73.0	49.5
June 3	73.2	49.8
June 4	73.5	50.2
June 5	73.8	50.5
June 6	74.0	50.8
June 7	74.3	51.1
June 8	74.6	51.4
June 9	74.9	51.7
June 10	75.3	52.1
June 11	75.6	52.4
June 12	75.9	52.7
June 13	76.0	52.9
June 14	76.2	53.1
June 15	76.4	53.4
June 16	76.7	53.7
June 17	76.9	53.9
June 18	77.2	54.2
June 19	77.4	54.5
June 20	77.6	54.7
June 21	77.8	55.0
June 22	78.0	55.2
June 23	78.2	55.4
June 24	78.4	55.6
June 25	78.6	55.7
June 26	78.8	55.9
June 27	79.0	56.2
June 28	79.2	56.3
June 29	79.3	56.5
June 30	79.6	56.6
July 1	79.8	56.8
July 2	80.1	56.9
July 3	80.3	57.1
July 4	80.5	57.3
July 5	80.7	57.5
July 6	80.8	57.7
July 7	81.0	57.8
July 8	81.1	57.9
July 9	81.1	57.9
July 10	81.2	58.0
July 11	81.3	58.1
July 12	81.3	58.1
July 13	81.4	58.1
July 14	81.4	58.2
July 15	81.4	58.1
July 16	81.5	58.2
July 17	81.6	58.2
July 18	81.7	58.3
July 19	81.7	58.2
July 20	81.7	58.2
July 21	81.6	58.2
July 22	81.5	58.1
July 23	81.5	58.1
July 24	81.5	58.1
July 25	81.5	58.2
July 26	81.5	58.1
July 27	81.4	58.0
July 28	81.4	57.9
July 29	81.3	57.9
July 30	81.1	57.8
July 31	81.0	57.6
August 1	80.8	57.5
August 2	80.7	57.4
August 3	80.6	57.2
August 4	80.4	57.0
August 5	80.3	56.9
August 6	80.2	56.8
August 7	80.1	56.8
August 8	80.1	56.7
August 9	80.1	56.6
August 10	80.1	56.6
August 11	80.1	56.6
August 12	80.1	56.6
August 13	80.1	56.6
August 14	80.0	56.5
August 15	79.9	56.4
August 16	79.8	56.3
August 17	79.7	56.2
August 18	79.6	56.2
August 19	79.5	56.1
August 20	79.5	56.0
August 21	79.4	55.9
August 22	79.3	55.8
August 23	79.2	55.5
August 24	79.0	55.3
August 25	78.8	55.0
August 26	78.6	54.8
August 27	78.4	54.5
August 28	78.2	54.4
August 29	78.0	54.2
August 30	77.8	53.9
August 31	77.5	53.6
September 1	77.3	53.4
September 2	77.2	53.1
September 3	77.0	53.0
September 4	76.8	52.7
September 5	76.5	52.4
September 6	76.2	52.1
September 7	75.7	51.7
September 8	75.2	51.2
September 9	74.8	50.8
September 10	74.4	50.3
September 11	74.0	49.9
September 12	73.7	49.5
September 13	73.3	49.1
September 14	72.9	48.6
September 15	72.6	48.1
September 16	72.3	47.7
September 17	72.1	47.2
September 18	71.6	46.7
September 19	71.1	46.3
September 20	70.4	45.7
September 21	69.8	45.2
September 22	69.3	44.8
September 23	69.0	44.5
September 24	68.6	44.1
September 25	68.2	43.7
September 26	67.8	43.2
September 27	67.4	42.8
September 28	67.0	42.4
September 29	66.5	42.0
September 30	65.9	41.5
October 1	65.3	40.9
October 2	64.7	40.4
October 3	64.1	39.9
October 4	63.6	39.4
October 5	63.1	39.0
October 6	62.7	38.6
October 7	62.3	38.2
October 8	61.9	37.8
October 9	61.4	37.4
October 10	60.8	36.9
October 11	60.2	36.5
October 12	59.6	36.0
October 13	59.0	35.7
October 14	58.4	35.3
October 15	57.7	34.8
October 16	56.9	34.4
October 17	56.2	33.9
October 18	55.7	33.5
October 19	55.3	33.1
October 20	54.8	32.6
October 21	54.3	32.1
October 22	53.6	31.8
October 23	53.0	31.3
October 24	52.4	30.8
October 25	51.8	30.5
October 26	51.1	29.9
October 27	50.4	29.4
October 28	49.8	28.9
October 29	49.2	28.5
October 30	48.8	28.2
October 31	48.3	27.9
November 1	47.8	27.4
November 2	47.2	26.9
November 3	46.6	26.5
November 4	45.9	26.1
November 5	45.3	25.7
November 6	44.7	25.2
November 7	44.2	24.7
November 8	43.6	24.3
November 9	43.0	23.8
November 10	42.4	23.3
November 11	41.8	22.9
November 12	41.2	22.3
November 13	40.5	21.7
November 14	40.1	21.3
November 15	39.6	20.9
November 16	39.0	20.5
November 17	38.5	20.2
November 18	38.0	19.7
November 19	37.4	19.3
November 20	36.8	18.8
November 21	36.2	18.2
November 22	35.5	17.7
November 23	34.8	17.1
November 24	34.1	16.5
November 25	33.7	16.1
November 26	33.3	15.7
November 27	32.8	15.2
November 28	32.3	14.8
November 29	31.8	14.3
November 30	31.4	14.0
December 1	30.9	13.6
December 2	30.4	13.2
December 3	29.9	12.7
December 4	29.5	12.3
December 5	29.1	11.9
December 6	28.6	11.6
December 7	28.2	11.3
December 8	27.9	10.9
December 9	27.4	10.6
December 10	27.1	10.1
December 11	26.8	9.9
December 12	26.5	9.7
December 13	26.2	9.5
December 14	26.0	9.3
December 15	25.6	9.0
December 16	25.2	8.6
December 17	24.8	8.2
December 18	24.4	7.8
December 19	24.1	7.5
December 20	24.0	7.3
December 21	23.7	7.0
December 22	23.5	6.8
December 23	23.2	6.5
December 24	23.0	6.3
December 25	22.8	6.1
December 26	22.6	5.9
December 27	22.5	5.7
December 28	22.2	5.4
December 29	21.8	5.1
December 30	21.6	4.8
December 31	21.4	4.4

Weather Station Details

Years	Station	Coordinates
1956–2024	Summit 1 W	location