Interior Average Weather by Day

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

Also see:

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

On average, July 25 is the hottest day of the year Interior, South Dakota. From 1991–2020, the average high temperature on July 25 was 91.7 °F and the average low was 63.4 °F.

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

On average, January 4 is the coldest day of the year Interior, South Dakota. From 1991–2020, the average high temperature on January 4 was 35.8 °F, and the average low was 13.7 °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	36.0	14.0
January 2	35.9	13.9
January 3	35.8	13.9
January 4	35.8	13.7
January 5	35.8	13.7
January 6	35.9	13.8
January 7	36.1	14.0
January 8	36.2	14.1
January 9	36.3	14.2
January 10	36.3	14.2
January 11	36.4	14.2
January 12	36.4	14.2
January 13	36.6	14.3
January 14	36.8	14.4
January 15	37.0	14.7
January 16	37.2	14.8
January 17	37.4	15.1
January 18	37.5	15.2
January 19	37.7	15.3
January 20	37.9	15.4
January 21	38.0	15.5
January 22	38.2	15.7
January 23	38.4	15.7
January 24	38.4	15.8
January 25	38.4	15.8
January 26	38.4	15.8
January 27	38.5	15.9
January 28	38.5	15.9
January 29	38.6	15.9
January 30	38.8	16.1
January 31	39.0	16.3
February 1	39.2	16.4
February 2	39.4	16.5
February 3	39.6	16.7
February 4	39.8	16.8
February 5	40.0	16.9
February 6	40.1	17.0
February 7	40.2	17.1
February 8	40.4	17.2
February 9	40.4	17.3
February 10	40.5	17.2
February 11	40.5	17.2
February 12	40.5	17.1
February 13	40.6	17.1
February 14	40.7	17.2
February 15	40.8	17.2
February 16	40.8	17.2
February 17	41.0	17.4
February 18	41.2	17.6
February 19	41.5	17.8
February 20	41.7	17.9
February 21	41.9	18.1
February 22	42.2	18.2
February 23	42.6	18.4
February 24	42.9	18.7
February 25	43.4	19.1
February 26	44.1	19.6
February 27	44.6	20.1
February 28	45.0	20.4
March 1	45.5	20.8
March 2	46.2	21.3
March 3	46.5	21.7
March 4	46.8	22.0
March 5	47.2	22.3
March 6	47.7	22.6
March 7	48.2	22.9
March 8	48.6	23.2
March 9	49.1	23.5
March 10	49.5	23.9
March 11	49.9	24.2
March 12	50.5	24.7
March 13	51.1	25.3
March 14	51.7	25.8
March 15	52.2	26.3
March 16	52.7	26.8
March 17	53.3	27.2
March 18	53.8	27.6
March 19	54.2	27.9
March 20	54.5	28.2
March 21	55.0	28.5
March 22	55.6	28.9
March 23	56.1	29.3
March 24	56.5	29.8
March 25	56.9	30.2
March 26	57.2	30.5
March 27	57.5	30.6
March 28	57.6	30.8
March 29	57.8	31.0
March 30	57.9	31.2
March 31	58.1	31.4
April 1	58.3	31.6
April 2	58.5	31.7
April 3	58.8	31.9
April 4	59.1	32.3
April 5	59.3	32.6
April 6	59.4	32.9
April 7	59.7	33.1
April 8	60.0	33.5
April 9	60.6	33.9
April 10	60.9	34.2
April 11	61.2	34.5
April 12	61.5	34.7
April 13	61.8	34.9
April 14	62.0	35.2
April 15	62.1	35.5
April 16	62.3	35.9
April 17	62.4	36.2
April 18	62.7	36.4
April 19	63.0	36.8
April 20	63.3	37.0
April 21	63.6	37.4
April 22	64.0	37.8
April 23	64.3	38.2
April 24	64.6	38.6
April 25	64.8	38.9
April 26	65.2	39.3
April 27	65.5	39.6
April 28	65.7	39.8
April 29	66.0	40.2
April 30	66.4	40.5
May 1	66.9	40.9
May 2	67.3	41.4
May 3	67.6	41.7
May 4	68.1	42.2
May 5	68.6	42.6
May 6	69.0	43.0
May 7	69.4	43.4
May 8	69.6	43.8
May 9	69.8	44.2
May 10	70.0	44.6
May 11	70.3	44.9
May 12	70.6	45.2
May 13	71.0	45.6
May 14	71.5	46.0
May 15	71.9	46.4
May 16	72.4	46.8
May 17	72.8	47.2
May 18	73.1	47.6
May 19	73.4	47.9
May 20	73.6	48.3
May 21	73.9	48.6
May 22	74.2	49.0
May 23	74.7	49.4
May 24	75.1	49.7
May 25	75.4	50.1
May 26	75.9	50.5
May 27	76.3	50.9
May 28	76.6	51.2
May 29	76.8	51.5
May 30	77.0	51.9
May 31	77.3	52.1
June 1	77.5	52.3
June 2	77.8	52.6
June 3	78.0	53.0
June 4	78.3	53.3
June 5	78.5	53.5
June 6	78.7	53.8
June 7	79.1	54.1
June 8	79.6	54.4
June 9	80.1	54.7
June 10	80.5	55.1
June 11	80.8	55.4
June 12	81.2	55.6
June 13	81.6	55.9
June 14	82.0	56.2
June 15	82.5	56.6
June 16	82.9	56.8
June 17	83.1	57.1
June 18	83.4	57.3
June 19	83.8	57.6
June 20	84.1	57.8
June 21	84.3	58.0
June 22	84.6	58.3
June 23	84.9	58.6
June 24	85.2	58.8
June 25	85.5	59.1
June 26	85.9	59.4
June 27	86.2	59.7
June 28	86.5	60.0
June 29	86.8	60.2
June 30	87.2	60.5
July 1	87.6	60.8
July 2	87.9	60.9
July 3	88.4	61.2
July 4	88.8	61.5
July 5	89.2	61.7
July 6	89.4	61.9
July 7	89.6	62.1
July 8	89.9	62.3
July 9	90.1	62.4
July 10	90.4	62.6
July 11	90.5	62.8
July 12	90.7	62.9
July 13	90.8	63.0
July 14	90.8	63.1
July 15	90.8	63.1
July 16	91.0	63.2
July 17	91.2	63.3
July 18	91.3	63.3
July 19	91.4	63.4
July 20	91.5	63.4
July 21	91.5	63.4
July 22	91.5	63.3
July 23	91.5	63.3
July 24	91.6	63.4
July 25	91.7	63.4
July 26	91.7	63.4
July 27	91.7	63.3
July 28	91.7	63.2
July 29	91.6	63.2
July 30	91.5	63.0
July 31	91.4	62.9
August 1	91.3	62.8
August 2	91.1	62.6
August 3	90.9	62.5
August 4	90.9	62.3
August 5	90.8	62.1
August 6	90.7	61.9
August 7	90.7	61.8
August 8	90.6	61.7
August 9	90.6	61.6
August 10	90.5	61.5
August 11	90.6	61.4
August 12	90.6	61.3
August 13	90.7	61.3
August 14	90.6	61.3
August 15	90.5	61.2
August 16	90.5	61.1
August 17	90.4	60.9
August 18	90.3	60.8
August 19	90.4	60.7
August 20	90.4	60.5
August 21	90.4	60.3
August 22	90.3	60.2
August 23	90.1	59.9
August 24	89.8	59.6
August 25	89.6	59.3
August 26	89.4	59.1
August 27	89.1	58.8
August 28	88.9	58.6
August 29	88.7	58.4
August 30	88.4	58.0
August 31	88.1	57.7
September 1	87.9	57.4
September 2	87.7	57.1
September 3	87.5	56.9
September 4	87.1	56.6
September 5	86.7	56.2
September 6	86.3	55.8
September 7	85.7	55.3
September 8	85.2	54.8
September 9	84.6	54.4
September 10	84.1	53.9
September 11	83.6	53.4
September 12	83.3	52.9
September 13	82.8	52.5
September 14	82.3	52.0
September 15	81.9	51.7
September 16	81.6	51.3
September 17	81.2	50.9
September 18	80.6	50.5
September 19	79.9	50.1
September 20	79.2	49.5
September 21	78.4	49.0
September 22	77.9	48.6
September 23	77.5	48.2
September 24	77.1	47.7
September 25	76.6	47.3
September 26	76.0	46.8
September 27	75.5	46.4
September 28	75.0	46.0
September 29	74.4	45.5
September 30	73.8	45.1
October 1	73.2	44.6
October 2	72.6	44.2
October 3	72.2	43.8
October 4	71.7	43.4
October 5	71.3	43.0
October 6	70.9	42.7
October 7	70.6	42.5
October 8	70.2	42.2
October 9	69.6	41.8
October 10	69.1	41.4
October 11	68.5	41.0
October 12	67.9	40.5
October 13	67.3	40.1
October 14	66.7	39.6
October 15	66.1	39.0
October 16	65.3	38.5
October 17	64.7	38.0
October 18	64.2	37.5
October 19	63.7	37.1
October 20	63.3	36.6
October 21	62.8	36.2
October 22	62.2	35.9
October 23	61.6	35.4
October 24	61.2	35.0
October 25	60.8	34.6
October 26	60.2	34.1
October 27	59.7	33.7
October 28	59.1	33.2
October 29	58.6	32.8
October 30	58.1	32.3
October 31	57.6	32.0
November 1	57.0	31.6
November 2	56.6	31.2
November 3	56.0	30.8
November 4	55.5	30.4
November 5	55.0	30.0
November 6	54.5	29.6
November 7	54.0	29.1
November 8	53.6	28.7
November 9	53.1	28.3
November 10	52.7	27.9
November 11	52.2	27.5
November 12	51.5	27.1
November 13	51.0	26.7
November 14	50.6	26.4
November 15	50.2	26.0
November 16	49.8	25.7
November 17	49.5	25.5
November 18	49.2	25.3
November 19	48.7	25.0
November 20	48.3	24.6
November 21	47.7	24.2
November 22	47.2	23.8
November 23	46.6	23.4
November 24	46.2	23.1
November 25	45.8	22.8
November 26	45.5	22.5
November 27	45.2	22.3
November 28	44.8	22.0
November 29	44.5	21.6
November 30	44.2	21.2
December 1	43.7	21.0
December 2	43.3	20.7
December 3	42.9	20.3
December 4	42.5	20.0
December 5	42.1	19.6
December 6	41.8	19.4
December 7	41.4	19.2
December 8	41.0	18.9
December 9	40.5	18.6
December 10	40.1	18.2
December 11	39.8	18.0
December 12	39.7	17.8
December 13	39.5	17.7
December 14	39.3	17.6
December 15	39.0	17.4
December 16	38.7	17.0
December 17	38.2	16.5
December 18	37.9	16.3
December 19	37.7	15.9
December 20	37.6	15.8
December 21	37.5	15.6
December 22	37.4	15.5
December 23	37.2	15.3
December 24	37.0	15.1
December 25	36.9	15.1
December 26	36.8	14.9
December 27	36.6	14.8
December 28	36.4	14.7
December 29	36.2	14.5
December 30	36.2	14.3
December 31	36.1	14.2

Weather Station Details

Years	Station	Coordinates
1949–2024	Interior 3 Ne	location