Spearfish Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Spearfish, South Dakota, based on NOAA data.
What's the hottest day of the year in Spearfish?
On average, July 26 is the hottest day of the year Spearfish, South Dakota. From 1991–2020, the average high temperature on July 26 was 86.2 °F and the average low was 60.3 °F.
What's the coldest day of the year in Spearfish?
On average, January 5 is the coldest day of the year Spearfish, South Dakota. From 1991–2020, the average high temperature on January 5 was 36.5 °F, and the average low was 16.4 °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 36.7 16.7
January 2 36.7 16.5
January 3 36.6 16.4
January 4 36.5 16.3
January 5 36.5 16.4
January 6 36.6 16.4
January 7 36.8 16.6
January 8 36.8 16.6
January 9 36.8 16.5
January 10 36.8 16.6
January 11 36.8 16.6
January 12 37.0 16.8
January 13 37.2 16.8
January 14 37.3 17.0
January 15 37.3 17.1
January 16 37.5 17.1
January 17 37.5 17.4
January 18 37.6 17.4
January 19 37.6 17.5
January 20 37.8 17.7
January 21 37.9 17.7
January 22 37.8 17.6
January 23 37.9 17.6
January 24 37.9 17.6
January 25 37.7 17.5
January 26 37.7 17.3
January 27 37.8 17.4
January 28 37.7 17.4
January 29 37.8 17.4
January 30 37.9 17.5
January 31 38.0 17.5
February 1 38.0 17.6
February 2 38.1 17.6
February 3 38.2 17.7
February 4 38.3 17.7
February 5 38.3 17.7
February 6 38.3 17.7
February 7 38.4 17.8
February 8 38.5 17.9
February 9 38.5 17.8
February 10 38.4 17.7
February 11 38.3 17.6
February 12 38.1 17.4
February 13 38.2 17.4
February 14 38.1 17.5
February 15 38.0 17.4
February 16 38.1 17.5
February 17 38.2 17.5
February 18 38.3 17.5
February 19 38.3 17.6
February 20 38.5 17.9
February 21 38.6 17.9
February 22 38.9 18.1
February 23 39.3 18.4
February 24 39.7 18.8
February 25 40.2 19.2
February 26 40.8 19.7
February 27 41.1 20.1
February 28 41.5 20.3
March 1 41.9 20.8
March 2 42.3 21.1
March 3 42.5 21.4
March 4 42.9 21.5
March 5 43.2 21.9
March 6 43.6 22.2
March 7 44.0 22.5
March 8 44.4 22.8
March 9 44.8 23.1
March 10 45.2 23.5
March 11 45.5 23.8
March 12 46.0 24.2
March 13 46.5 24.7
March 14 47.1 25.2
March 15 47.5 25.7
March 16 48.1 26.1
March 17 48.5 26.6
March 18 49.0 27.0
March 19 49.4 27.3
March 20 49.7 27.6
March 21 50.0 27.8
March 22 50.5 28.2
March 23 50.9 28.6
March 24 51.1 28.9
March 25 51.4 29.1
March 26 51.6 29.3
March 27 51.7 29.3
March 28 51.9 29.4
March 29 52.0 29.6
March 30 52.2 29.8
March 31 52.5 30.1
April 1 52.8 30.3
April 2 53.1 30.5
April 3 53.3 30.7
April 4 53.5 31.0
April 5 53.7 31.2
April 6 53.9 31.5
April 7 54.1 31.7
April 8 54.6 32.1
April 9 55.1 32.5
April 10 55.4 32.9
April 11 55.6 33.1
April 12 55.8 33.3
April 13 56.2 33.5
April 14 56.3 33.8
April 15 56.6 34.0
April 16 56.6 34.2
April 17 56.8 34.4
April 18 57.1 34.7
April 19 57.4 35.1
April 20 57.7 35.5
April 21 58.1 35.8
April 22 58.5 36.1
April 23 58.8 36.5
April 24 59.0 36.8
April 25 59.3 37.1
April 26 59.6 37.5
April 27 59.8 37.7
April 28 60.0 37.9
April 29 60.3 38.2
April 30 60.7 38.5
May 1 61.1 38.9
May 2 61.5 39.2
May 3 61.9 39.6
May 4 62.3 39.9
May 5 62.7 40.3
May 6 63.2 40.7
May 7 63.4 41.0
May 8 63.6 41.3
May 9 63.7 41.5
May 10 64.0 41.9
May 11 64.4 42.2
May 12 64.7 42.5
May 13 65.1 42.8
May 14 65.5 43.2
May 15 66.0 43.6
May 16 66.5 44.0
May 17 66.9 44.4
May 18 67.2 44.8
May 19 67.5 45.1
May 20 67.9 45.4
May 21 68.2 45.7
May 22 68.5 46.0
May 23 69.0 46.4
May 24 69.4 46.8
May 25 69.8 47.1
May 26 70.2 47.5
May 27 70.6 48.0
May 28 71.0 48.3
May 29 71.2 48.5
May 30 71.4 48.9
May 31 71.6 49.1
June 1 71.8 49.3
June 2 72.1 49.6
June 3 72.3 49.9
June 4 72.5 50.1
June 5 72.7 50.3
June 6 73.1 50.6
June 7 73.6 51.0
June 8 74.1 51.3
June 9 74.5 51.6
June 10 75.0 52.0
June 11 75.3 52.2
June 12 75.7 52.5
June 13 76.1 52.9
June 14 76.5 53.1
June 15 77.0 53.4
June 16 77.3 53.7
June 17 77.6 54.0
June 18 77.9 54.3
June 19 78.3 54.5
June 20 78.6 54.8
June 21 78.9 55.1
June 22 79.2 55.4
June 23 79.6 55.7
June 24 80.0 55.9
June 25 80.3 56.2
June 26 80.6 56.4
June 27 81.0 56.7
June 28 81.3 56.9
June 29 81.6 57.2
June 30 82.0 57.5
July 1 82.4 57.7
July 2 82.8 57.9
July 3 83.2 58.2
July 4 83.6 58.5
July 5 84.0 58.7
July 6 84.3 58.9
July 7 84.5 59.0
July 8 84.6 59.2
July 9 84.8 59.4
July 10 85.0 59.6
July 11 85.2 59.7
July 12 85.2 59.8
July 13 85.3 59.9
July 14 85.4 59.9
July 15 85.5 60.0
July 16 85.6 60.0
July 17 85.7 60.1
July 18 85.9 60.2
July 19 86.0 60.2
July 20 86.1 60.2
July 21 86.1 60.2
July 22 86.1 60.2
July 23 86.1 60.2
July 24 86.1 60.2
July 25 86.1 60.3
July 26 86.2 60.3
July 27 86.1 60.2
July 28 86.1 60.2
July 29 86.1 60.2
July 30 85.9 60.1
July 31 85.8 60.0
August 1 85.6 59.8
August 2 85.4 59.7
August 3 85.3 59.5
August 4 85.2 59.4
August 5 85.1 59.3
August 6 85.0 59.2
August 7 85.0 59.1
August 8 85.0 59.0
August 9 84.9 59.0
August 10 84.9 58.8
August 11 84.8 58.7
August 12 84.8 58.7
August 13 84.8 58.6
August 14 84.7 58.6
August 15 84.5 58.4
August 16 84.3 58.2
August 17 84.2 58.1
August 18 84.0 58.0
August 19 83.9 57.8
August 20 84.0 57.8
August 21 83.9 57.6
August 22 83.7 57.4
August 23 83.5 57.2
August 24 83.3 56.9
August 25 83.1 56.7
August 26 82.8 56.4
August 27 82.5 56.1
August 28 82.3 55.8
August 29 82.0 55.5
August 30 81.7 55.2
August 31 81.4 54.9
September 1 81.1 54.6
September 2 80.8 54.3
September 3 80.6 54.0
September 4 80.3 53.7
September 5 79.8 53.3
September 6 79.3 53.0
September 7 78.8 52.5
September 8 78.3 52.1
September 9 77.9 51.7
September 10 77.4 51.3
September 11 77.0 50.9
September 12 76.5 50.6
September 13 76.1 50.3
September 14 75.8 49.9
September 15 75.4 49.6
September 16 75.1 49.3
September 17 74.8 49.0
September 18 74.2 48.5
September 19 73.6 48.1
September 20 72.9 47.6
September 21 72.3 47.2
September 22 71.7 46.8
September 23 71.2 46.3
September 24 70.7 45.9
September 25 70.2 45.5
September 26 69.6 45.0
September 27 69.1 44.7
September 28 68.6 44.2
September 29 68.1 43.8
September 30 67.5 43.5
October 1 67.0 43.1
October 2 66.5 42.8
October 3 66.0 42.4
October 4 65.6 42.0
October 5 65.3 41.8
October 6 65.0 41.5
October 7 64.7 41.3
October 8 64.3 40.9
October 9 63.8 40.5
October 10 63.3 40.1
October 11 62.7 39.6
October 12 62.2 39.1
October 13 61.6 38.7
October 14 61.0 38.2
October 15 60.3 37.5
October 16 59.6 37.1
October 17 59.1 36.7
October 18 58.6 36.4
October 19 58.3 36.1
October 20 57.9 35.7
October 21 57.6 35.5
October 22 57.2 35.1
October 23 56.9 34.8
October 24 56.5 34.5
October 25 56.3 34.2
October 26 55.9 33.9
October 27 55.5 33.5
October 28 55.1 33.2
October 29 54.7 32.8
October 30 54.2 32.4
October 31 53.7 32.1
November 1 53.3 31.8
November 2 52.9 31.5
November 3 52.5 31.1
November 4 52.1 30.8
November 5 51.6 30.4
November 6 51.2 30.1
November 7 50.9 29.7
November 8 50.5 29.4
November 9 50.0 29.0
November 10 49.6 28.7
November 11 49.2 28.4
November 12 48.7 28.1
November 13 48.3 27.8
November 14 48.0 27.5
November 15 47.7 27.1
November 16 47.4 26.7
November 17 47.0 26.4
November 18 46.6 26.1
November 19 46.2 25.8
November 20 45.8 25.4
November 21 45.3 25.0
November 22 44.8 24.6
November 23 44.3 24.2
November 24 43.9 23.9
November 25 43.6 23.7
November 26 43.4 23.6
November 27 43.1 23.3
November 28 43.0 23.1
November 29 42.9 23.0
November 30 42.5 22.6
December 1 42.1 22.3
December 2 41.7 22.0
December 3 41.3 21.7
December 4 41.0 21.4
December 5 40.7 21.2
December 6 40.5 21.1
December 7 40.3 20.9
December 8 40.1 20.7
December 9 39.8 20.4
December 10 39.6 20.1
December 11 39.6 20.0
December 12 39.4 19.9
December 13 39.2 19.6
December 14 39.0 19.5
December 15 38.8 19.3
December 16 38.5 19.1
December 17 38.3 18.8
December 18 38.1 18.5
December 19 38.1 18.3
December 20 38.0 18.2
December 21 38.0 18.1
December 22 37.8 18.1
December 23 37.7 17.9
December 24 37.7 17.8
December 25 37.6 17.6
December 26 37.4 17.5
December 27 37.3 17.4
December 28 37.1 17.3
December 29 36.8 17.1
December 30 36.7 16.9
December 31 36.7 16.8
Weather Station Details
Years Station Coordinates
1893–2024 Spearfish location