Watertown Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Watertown, South Dakota, based on NOAA data.
What's the hottest day of the year in Watertown?
On average, July 18 is the hottest day of the year Watertown, South Dakota. From 1991–2020, the average high temperature on July 18 was 82.3 °F and the average low was 60.2 °F.
What's the coldest day of the year in Watertown?
On average, January 13 is the coldest day of the year Watertown, South Dakota. From 1991–2020, the average high temperature on January 13 was 21.4 °F, and the average low was 3.2 °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 22.6 5.2
January 2 22.4 5.0
January 3 22.3 4.8
January 4 22.1 4.4
January 5 22.0 4.2
January 6 21.8 4.0
January 7 21.8 4.0
January 8 21.7 4.0
January 9 21.6 3.8
January 10 21.5 3.5
January 11 21.4 3.4
January 12 21.3 3.2
January 13 21.4 3.2
January 14 21.4 3.2
January 15 21.4 3.2
January 16 21.5 3.2
January 17 21.6 3.3
January 18 21.7 3.4
January 19 21.9 3.6
January 20 22.0 3.6
January 21 22.1 3.6
January 22 22.2 3.8
January 23 22.3 3.9
January 24 22.3 3.9
January 25 22.4 3.8
January 26 22.5 3.8
January 27 22.6 3.7
January 28 22.8 3.9
January 29 22.9 3.9
January 30 23.1 4.2
January 31 23.3 4.3
February 1 23.4 4.5
February 2 23.6 4.8
February 3 23.9 5.1
February 4 24.2 5.3
February 5 24.4 5.4
February 6 24.6 5.6
February 7 24.8 5.8
February 8 25.1 6.0
February 9 25.3 6.2
February 10 25.4 6.3
February 11 25.4 6.3
February 12 25.5 6.4
February 13 25.7 6.6
February 14 25.9 6.9
February 15 26.1 6.9
February 16 26.2 6.9
February 17 26.4 7.1
February 18 26.7 7.4
February 19 27.0 7.7
February 20 27.3 8.0
February 21 27.4 8.2
February 22 27.7 8.6
February 23 28.0 9.0
February 24 28.4 9.4
February 25 28.8 9.8
February 26 29.3 10.3
February 27 29.9 10.9
February 28 30.3 11.3
March 1 30.7 11.8
March 2 31.3 12.4
March 3 31.8 12.9
March 4 32.2 13.4
March 5 32.7 13.9
March 6 33.1 14.4
March 7 33.5 14.7
March 8 34.0 15.2
March 9 34.5 15.7
March 10 35.0 16.2
March 11 35.5 16.7
March 12 36.1 17.3
March 13 36.8 17.8
March 14 37.5 18.5
March 15 38.2 19.1
March 16 38.8 19.9
March 17 39.6 20.6
March 18 40.2 21.2
March 19 40.7 21.6
March 20 41.2 22.0
March 21 41.8 22.4
March 22 42.6 22.8
March 23 43.2 23.3
March 24 43.8 23.9
March 25 44.4 24.4
March 26 44.9 24.8
March 27 45.3 25.1
March 28 45.7 25.4
March 29 46.1 25.8
March 30 46.6 26.2
March 31 47.1 26.6
April 1 47.6 27.0
April 2 48.0 27.2
April 3 48.4 27.4
April 4 48.9 27.8
April 5 49.4 28.3
April 6 49.9 28.6
April 7 50.4 28.9
April 8 50.9 29.2
April 9 51.7 29.6
April 10 52.3 30.1
April 11 52.7 30.4
April 12 53.1 30.7
April 13 53.4 31.0
April 14 53.8 31.2
April 15 54.2 31.5
April 16 54.6 31.9
April 17 55.0 32.3
April 18 55.5 32.6
April 19 56.0 33.1
April 20 56.4 33.5
April 21 56.9 33.9
April 22 57.5 34.4
April 23 58.0 34.9
April 24 58.4 35.5
April 25 58.9 36.0
April 26 59.4 36.4
April 27 59.8 36.8
April 28 60.0 37.2
April 29 60.3 37.5
April 30 60.8 37.8
May 1 61.4 38.2
May 2 61.8 38.7
May 3 62.2 39.1
May 4 62.8 39.5
May 5 63.2 39.9
May 6 63.7 40.3
May 7 64.0 40.8
May 8 64.4 41.3
May 9 64.5 41.7
May 10 64.9 42.2
May 11 65.3 42.5
May 12 65.6 42.9
May 13 66.0 43.4
May 14 66.5 43.8
May 15 66.9 44.3
May 16 67.4 44.8
May 17 67.8 45.2
May 18 68.0 45.7
May 19 68.3 46.1
May 20 68.6 46.4
May 21 68.9 46.7
May 22 69.2 47.1
May 23 69.7 47.4
May 24 70.1 47.8
May 25 70.4 48.1
May 26 70.9 48.6
May 27 71.3 49.1
May 28 71.7 49.5
May 29 72.0 49.8
May 30 72.3 50.2
May 31 72.6 50.6
June 1 72.8 50.9
June 2 73.0 51.3
June 3 73.3 51.7
June 4 73.6 52.0
June 5 73.9 52.3
June 6 74.1 52.6
June 7 74.5 52.9
June 8 74.8 53.3
June 9 75.2 53.7
June 10 75.6 54.1
June 11 75.9 54.4
June 12 76.1 54.7
June 13 76.3 54.9
June 14 76.5 55.1
June 15 76.9 55.4
June 16 77.2 55.7
June 17 77.4 55.9
June 18 77.7 56.2
June 19 77.8 56.4
June 20 78.1 56.7
June 21 78.3 56.9
June 22 78.5 57.1
June 23 78.7 57.3
June 24 78.9 57.5
June 25 79.2 57.7
June 26 79.4 57.9
June 27 79.6 58.2
June 28 79.8 58.4
June 29 80.0 58.5
June 30 80.2 58.6
July 1 80.5 58.8
July 2 80.7 59.0
July 3 81.0 59.2
July 4 81.1 59.4
July 5 81.3 59.6
July 6 81.5 59.7
July 7 81.6 59.8
July 8 81.7 59.9
July 9 81.8 59.9
July 10 81.8 60.0
July 11 81.9 60.0
July 12 81.9 60.1
July 13 82.0 60.1
July 14 82.0 60.2
July 15 82.0 60.1
July 16 82.1 60.2
July 17 82.3 60.2
July 18 82.3 60.2
July 19 82.3 60.1
July 20 82.3 60.1
July 21 82.2 60.1
July 22 82.1 60.0
July 23 82.0 59.9
July 24 82.0 59.9
July 25 82.1 60.0
July 26 82.0 59.9
July 27 81.9 59.8
July 28 81.9 59.7
July 29 81.7 59.7
July 30 81.5 59.5
July 31 81.3 59.3
August 1 81.1 59.1
August 2 81.0 59.0
August 3 80.8 58.8
August 4 80.7 58.6
August 5 80.5 58.4
August 6 80.4 58.3
August 7 80.3 58.2
August 8 80.3 58.1
August 9 80.2 58.0
August 10 80.2 58.0
August 11 80.2 58.0
August 12 80.2 58.0
August 13 80.2 58.0
August 14 80.0 57.9
August 15 79.9 57.8
August 16 79.8 57.7
August 17 79.7 57.6
August 18 79.6 57.5
August 19 79.5 57.4
August 20 79.5 57.3
August 21 79.4 57.1
August 22 79.3 57.0
August 23 79.1 56.7
August 24 78.9 56.5
August 25 78.6 56.2
August 26 78.4 56.0
August 27 78.2 55.7
August 28 78.0 55.6
August 29 77.9 55.3
August 30 77.6 55.1
August 31 77.3 54.8
September 1 77.1 54.5
September 2 76.9 54.2
September 3 76.7 54.0
September 4 76.4 53.8
September 5 76.0 53.5
September 6 75.7 53.1
September 7 75.2 52.7
September 8 74.7 52.2
September 9 74.2 51.7
September 10 73.8 51.3
September 11 73.4 50.8
September 12 73.1 50.3
September 13 72.6 49.9
September 14 72.2 49.3
September 15 71.9 48.9
September 16 71.6 48.4
September 17 71.2 47.9
September 18 70.7 47.5
September 19 70.1 47.0
September 20 69.5 46.4
September 21 68.9 46.1
September 22 68.4 45.7
September 23 68.1 45.3
September 24 67.7 44.9
September 25 67.3 44.4
September 26 66.9 43.9
September 27 66.5 43.6
September 28 66.0 43.1
September 29 65.5 42.7
September 30 65.0 42.2
October 1 64.3 41.7
October 2 63.8 41.3
October 3 63.3 40.8
October 4 62.9 40.3
October 5 62.4 39.9
October 6 62.0 39.5
October 7 61.7 39.1
October 8 61.3 38.8
October 9 60.7 38.3
October 10 60.2 37.8
October 11 59.6 37.5
October 12 59.0 37.1
October 13 58.4 36.7
October 14 57.8 36.3
October 15 57.2 35.9
October 16 56.4 35.5
October 17 55.9 35.0
October 18 55.4 34.6
October 19 55.0 34.2
October 20 54.5 33.7
October 21 54.0 33.2
October 22 53.4 32.8
October 23 52.8 32.3
October 24 52.3 31.9
October 25 51.7 31.5
October 26 51.1 31.0
October 27 50.4 30.5
October 28 49.8 30.0
October 29 49.3 29.5
October 30 48.9 29.1
October 31 48.4 28.7
November 1 47.9 28.2
November 2 47.4 27.7
November 3 46.7 27.3
November 4 46.2 26.9
November 5 45.7 26.5
November 6 45.1 26.0
November 7 44.5 25.5
November 8 44.0 25.1
November 9 43.4 24.5
November 10 42.9 24.1
November 11 42.3 23.7
November 12 41.7 23.0
November 13 41.1 22.5
November 14 40.7 22.0
November 15 40.2 21.6
November 16 39.7 21.2
November 17 39.2 20.8
November 18 38.8 20.4
November 19 38.2 20.0
November 20 37.6 19.5
November 21 37.0 18.9
November 22 36.3 18.3
November 23 35.7 17.7
November 24 35.1 17.2
November 25 34.7 16.8
November 26 34.3 16.4
November 27 33.9 15.9
November 28 33.3 15.5
November 29 32.9 15.2
November 30 32.5 14.9
December 1 32.0 14.5
December 2 31.5 14.1
December 3 31.0 13.6
December 4 30.6 13.1
December 5 30.2 12.7
December 6 29.8 12.4
December 7 29.4 12.1
December 8 29.0 11.7
December 9 28.6 11.4
December 10 28.3 11.0
December 11 28.1 10.8
December 12 27.8 10.6
December 13 27.5 10.5
December 14 27.3 10.2
December 15 26.9 9.9
December 16 26.6 9.6
December 17 26.1 9.1
December 18 25.7 8.7
December 19 25.4 8.4
December 20 25.3 8.2
December 21 25.1 8.0
December 22 24.8 7.8
December 23 24.6 7.5
December 24 24.4 7.3
December 25 24.3 7.1
December 26 24.1 6.9
December 27 23.9 6.7
December 28 23.6 6.4
December 29 23.3 6.1
December 30 23.0 5.8
December 31 22.8 5.5
Weather Station Details
Years Station Coordinates
1893–2024 Watertown Regional Airport location