Sioux Falls Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Sioux Falls, South Dakota, based on NOAA data.
Also see:
What's the hottest day of the year in Sioux Falls?
On average, July 18 is the hottest day of the year Sioux Falls, South Dakota. From 1991–2020, the average high temperature on July 18 was 84.4 °F and the average low was 62.7 °F.
What's the coldest day of the year in Sioux Falls?
On average, January 12 is the coldest day of the year Sioux Falls, South Dakota. From 1991–2020, the average high temperature on January 12 was 25.9 °F, and the average low was 7.5 °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)
High Low
January 1 26.8 8.9
January 2 26.7 8.7
January 3 26.5 8.5
January 4 26.4 8.2
January 5 26.3 8.0
January 6 26.1 7.9
January 7 26.2 7.9
January 8 26.2 7.9
January 9 26.1 7.8
January 10 26.0 7.6
January 11 25.9 7.5
January 12 25.9 7.5
January 13 26.0 7.4
January 14 26.0 7.5
January 15 26.0 7.5
January 16 26.1 7.5
January 17 26.2 7.7
January 18 26.3 7.8
January 19 26.6 8.0
January 20 26.7 8.0
January 21 26.8 8.1
January 22 27.0 8.2
January 23 27.1 8.4
January 24 27.1 8.4
January 25 27.1 8.3
January 26 27.2 8.3
January 27 27.4 8.3
January 28 27.5 8.5
January 29 27.6 8.6
January 30 27.8 8.8
January 31 28.0 9.0
February 1 28.1 9.2
February 2 28.3 9.4
February 3 28.6 9.7
February 4 29.0 9.9
February 5 29.2 10.1
February 6 29.4 10.3
February 7 29.7 10.5
February 8 30.0 10.8
February 9 30.2 11.0
February 10 30.2 11.2
February 11 30.3 11.2
February 12 30.3 11.3
February 13 30.5 11.5
February 14 30.8 11.7
February 15 31.0 11.8
February 16 31.0 11.8
February 17 31.1 11.9
February 18 31.5 12.2
February 19 31.9 12.5
February 20 32.2 12.7
February 21 32.3 13.0
February 22 32.7 13.4
February 23 33.0 13.8
February 24 33.4 14.1
February 25 33.9 14.6
February 26 34.4 15.0
February 27 35.0 15.5
February 28 35.4 15.9
March 1 35.9 16.4
March 2 36.5 16.9
March 3 36.9 17.4
March 4 37.3 17.9
March 5 37.8 18.3
March 6 38.2 18.7
March 7 38.6 19.0
March 8 39.0 19.4
March 9 39.5 19.9
March 10 40.0 20.3
March 11 40.4 20.7
March 12 41.2 21.3
March 13 41.9 21.9
March 14 42.6 22.5
March 15 43.3 23.0
March 16 44.0 23.6
March 17 44.8 24.3
March 18 45.5 24.9
March 19 46.0 25.2
March 20 46.5 25.6
March 21 47.0 25.9
March 22 47.7 26.3
March 23 48.3 26.8
March 24 48.9 27.3
March 25 49.4 27.7
March 26 49.8 28.0
March 27 50.2 28.3
March 28 50.4 28.6
March 29 50.7 29.0
March 30 51.2 29.3
March 31 51.6 29.7
April 1 52.0 30.1
April 2 52.4 30.3
April 3 52.8 30.5
April 4 53.3 30.9
April 5 53.7 31.3
April 6 54.1 31.7
April 7 54.5 32.0
April 8 55.0 32.2
April 9 55.7 32.6
April 10 56.2 33.0
April 11 56.6 33.3
April 12 56.9 33.6
April 13 57.2 33.8
April 14 57.5 34.1
April 15 57.8 34.4
April 16 58.0 34.8
April 17 58.4 35.2
April 18 58.7 35.5
April 19 59.2 35.9
April 20 59.5 36.3
April 21 59.9 36.7
April 22 60.4 37.1
April 23 60.9 37.6
April 24 61.3 38.1
April 25 61.8 38.5
April 26 62.3 39.0
April 27 62.7 39.4
April 28 62.9 39.6
April 29 63.2 39.9
April 30 63.6 40.2
May 1 64.1 40.6
May 2 64.6 41.0
May 3 65.0 41.3
May 4 65.5 41.7
May 5 65.9 42.0
May 6 66.3 42.4
May 7 66.6 42.9
May 8 66.9 43.5
May 9 67.0 43.9
May 10 67.3 44.3
May 11 67.7 44.7
May 12 68.0 45.1
May 13 68.4 45.5
May 14 68.8 45.9
May 15 69.3 46.3
May 16 69.7 46.8
May 17 70.1 47.2
May 18 70.4 47.7
May 19 70.7 48.1
May 20 71.0 48.4
May 21 71.3 48.7
May 22 71.7 49.0
May 23 72.1 49.4
May 24 72.5 49.8
May 25 72.8 50.2
May 26 73.3 50.6
May 27 73.8 51.1
May 28 74.2 51.6
May 29 74.5 51.9
May 30 74.8 52.3
May 31 75.1 52.7
June 1 75.3 53.1
June 2 75.6 53.5
June 3 76.0 53.9
June 4 76.3 54.3
June 5 76.6 54.6
June 6 76.9 54.9
June 7 77.3 55.2
June 8 77.7 55.5
June 9 78.1 55.9
June 10 78.5 56.3
June 11 78.8 56.6
June 12 79.0 56.9
June 13 79.3 57.2
June 14 79.5 57.5
June 15 79.8 57.8
June 16 80.1 58.1
June 17 80.3 58.3
June 18 80.6 58.6
June 19 80.8 58.9
June 20 80.9 59.2
June 21 81.1 59.4
June 22 81.3 59.6
June 23 81.5 59.8
June 24 81.7 60.0
June 25 81.9 60.2
June 26 82.1 60.3
June 27 82.3 60.6
June 28 82.4 60.8
June 29 82.6 61.0
June 30 82.8 61.1
July 1 83.0 61.3
July 2 83.1 61.4
July 3 83.4 61.6
July 4 83.6 61.8
July 5 83.7 61.9
July 6 83.8 62.1
July 7 83.9 62.3
July 8 84.0 62.4
July 9 84.0 62.4
July 10 84.1 62.5
July 11 84.1 62.6
July 12 84.2 62.6
July 13 84.2 62.6
July 14 84.2 62.6
July 15 84.2 62.6
July 16 84.3 62.7
July 17 84.4 62.7
July 18 84.4 62.7
July 19 84.4 62.6
July 20 84.4 62.6
July 21 84.3 62.5
July 22 84.1 62.4
July 23 84.1 62.4
July 24 84.0 62.5
July 25 84.0 62.5
July 26 84.0 62.4
July 27 83.9 62.3
July 28 83.7 62.2
July 29 83.6 62.2
July 30 83.5 62.0
July 31 83.2 61.8
August 1 83.0 61.6
August 2 82.8 61.5
August 3 82.7 61.3
August 4 82.6 61.1
August 5 82.4 60.9
August 6 82.3 60.8
August 7 82.3 60.7
August 8 82.2 60.6
August 9 82.2 60.6
August 10 82.2 60.6
August 11 82.1 60.6
August 12 82.1 60.6
August 13 82.1 60.6
August 14 82.0 60.5
August 15 81.9 60.4
August 16 81.8 60.2
August 17 81.7 60.1
August 18 81.5 60.1
August 19 81.5 60.0
August 20 81.5 59.9
August 21 81.4 59.7
August 22 81.3 59.5
August 23 81.2 59.3
August 24 80.9 59.0
August 25 80.7 58.7
August 26 80.5 58.5
August 27 80.3 58.3
August 28 80.2 58.1
August 29 80.0 58.0
August 30 79.8 57.7
August 31 79.6 57.4
September 1 79.4 57.1
September 2 79.2 56.8
September 3 79.0 56.6
September 4 78.7 56.3
September 5 78.4 56.0
September 6 78.1 55.6
September 7 77.6 55.1
September 8 77.2 54.6
September 9 76.8 54.1
September 10 76.4 53.6
September 11 76.0 53.1
September 12 75.6 52.6
September 13 75.3 52.2
September 14 74.9 51.6
September 15 74.6 51.2
September 16 74.4 50.8
September 17 74.0 50.2
September 18 73.6 49.8
September 19 73.1 49.3
September 20 72.5 48.8
September 21 72.0 48.3
September 22 71.6 47.9
September 23 71.3 47.6
September 24 71.0 47.2
September 25 70.6 46.7
September 26 70.2 46.2
September 27 69.8 45.7
September 28 69.3 45.3
September 29 68.9 44.8
September 30 68.3 44.4
October 1 67.7 43.8
October 2 67.2 43.4
October 3 66.8 42.9
October 4 66.4 42.4
October 5 65.9 42.0
October 6 65.5 41.6
October 7 65.2 41.2
October 8 64.8 40.8
October 9 64.3 40.4
October 10 63.7 39.9
October 11 63.2 39.5
October 12 62.5 39.1
October 13 62.0 38.8
October 14 61.4 38.3
October 15 60.8 37.8
October 16 60.1 37.4
October 17 59.5 36.9
October 18 59.0 36.5
October 19 58.6 36.0
October 20 58.1 35.4
October 21 57.6 34.9
October 22 57.0 34.5
October 23 56.4 34.0
October 24 55.9 33.5
October 25 55.3 33.1
October 26 54.8 32.6
October 27 54.2 32.1
October 28 53.6 31.6
October 29 53.0 31.2
October 30 52.6 30.8
October 31 52.1 30.4
November 1 51.6 29.9
November 2 51.1 29.4
November 3 50.5 29.0
November 4 50.0 28.7
November 5 49.4 28.3
November 6 48.9 27.8
November 7 48.4 27.3
November 8 47.8 26.9
November 9 47.3 26.5
November 10 46.8 26.0
November 11 46.3 25.6
November 12 45.7 25.1
November 13 45.1 24.6
November 14 44.7 24.2
November 15 44.3 23.8
November 16 43.7 23.5
November 17 43.3 23.1
November 18 42.8 22.7
November 19 42.2 22.3
November 20 41.7 21.8
November 21 41.1 21.4
November 22 40.4 20.9
November 23 39.8 20.3
November 24 39.2 19.8
November 25 38.7 19.5
November 26 38.4 19.1
November 27 38.0 18.7
November 28 37.5 18.3
November 29 37.1 18.0
November 30 36.7 17.7
December 1 36.2 17.4
December 2 35.8 17.0
December 3 35.3 16.5
December 4 34.8 16.0
December 5 34.4 15.7
December 6 34.0 15.4
December 7 33.6 15.1
December 8 33.3 14.8
December 9 32.8 14.4
December 10 32.4 14.1
December 11 32.1 13.8
December 12 31.8 13.7
December 13 31.5 13.5
December 14 31.3 13.2
December 15 31.0 12.9
December 16 30.6 12.6
December 17 30.2 12.3
December 18 29.8 12.0
December 19 29.6 11.7
December 20 29.4 11.5
December 21 29.1 11.2
December 22 28.9 11.0
December 23 28.7 10.8
December 24 28.5 10.6
December 25 28.3 10.5
December 26 28.2 10.3
December 27 28.0 10.2
December 28 27.7 9.9
December 29 27.4 9.6
December 30 27.2 9.3
December 31 27.0 9.1
Weather Station Details
Years Station Coordinates
1932–2024 Sioux Falls location
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