Washington D.C. Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Washington D.C., based on NOAA data.
What's the hottest day of the year in Washington D.C.?
On average, July 21 is the hottest day of the year Washington D.C.. From 1991–2020, the average high temperature on July 21 was 89.4 °F and the average low was 72.2 °F.
What's the coldest day of the year in Washington D.C.?
On average, January 30 is the coldest day of the year Washington D.C.. From 1991–2020, the average high temperature on January 30 was 44.4 °F, and the average low was 28.9 °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 46.3 31.9
January 2 46.2 31.7
January 3 46.1 31.6
January 4 46.0 31.5
January 5 45.8 31.3
January 6 45.6 31.1
January 7 45.2 30.8
January 8 44.9 30.5
January 9 44.9 30.4
January 10 45.0 30.4
January 11 44.8 30.3
January 12 44.6 30.1
January 13 44.5 29.9
January 14 44.5 29.8
January 15 44.4 29.7
January 16 44.3 29.6
January 17 44.3 29.5
January 18 44.3 29.4
January 19 44.3 29.3
January 20 44.3 29.3
January 21 44.3 29.3
January 22 44.4 29.3
January 23 44.5 29.3
January 24 44.6 29.3
January 25 44.7 29.3
January 26 44.7 29.3
January 27 44.6 29.1
January 28 44.5 29.0
January 29 44.4 29.0
January 30 44.4 28.9
January 31 44.5 29.0
February 1 44.7 29.0
February 2 44.9 29.1
February 3 45.0 29.2
February 4 45.2 29.3
February 5 45.5 29.5
February 6 45.9 29.8
February 7 46.3 30.0
February 8 46.5 30.3
February 9 46.7 30.5
February 10 47.0 30.7
February 11 47.2 30.9
February 12 47.3 31.0
February 13 47.5 31.1
February 14 47.7 31.3
February 15 47.9 31.5
February 16 48.2 31.8
February 17 48.3 31.9
February 18 48.4 32.0
February 19 48.6 32.1
February 20 48.8 32.3
February 21 49.2 32.5
February 22 49.6 32.6
February 23 49.9 32.8
February 24 50.2 33.1
February 25 50.6 33.4
February 26 50.8 33.5
February 27 51.2 33.8
February 28 51.7 34.1
March 1 52.0 34.4
March 2 52.3 34.7
March 3 52.6 34.9
March 4 53.0 35.2
March 5 53.2 35.5
March 6 53.4 35.7
March 7 53.5 35.9
March 8 53.6 36.1
March 9 53.8 36.2
March 10 54.1 36.3
March 11 54.4 36.6
March 12 54.7 36.8
March 13 55.0 37.0
March 14 55.4 37.5
March 15 55.8 37.8
March 16 56.1 38.1
March 17 56.4 38.3
March 18 56.8 38.7
March 19 57.3 39.1
March 20 57.8 39.5
March 21 58.2 39.8
March 22 58.4 40.0
March 23 58.6 40.3
March 24 59.0 40.6
March 25 59.4 40.9
March 26 59.6 41.2
March 27 60.0 41.5
March 28 60.4 41.9
March 29 60.8 42.2
March 30 61.1 42.5
March 31 61.5 42.9
April 1 61.9 43.2
April 2 62.4 43.6
April 3 62.9 44.0
April 4 63.3 44.2
April 5 63.8 44.6
April 6 64.3 45.0
April 7 64.8 45.5
April 8 65.1 45.8
April 9 65.4 46.1
April 10 65.8 46.4
April 11 66.2 46.8
April 12 66.6 47.0
April 13 66.8 47.2
April 14 67.0 47.5
April 15 67.3 47.7
April 16 67.6 47.9
April 17 68.0 48.2
April 18 68.4 48.6
April 19 68.6 49.0
April 20 69.0 49.4
April 21 69.3 49.8
April 22 69.4 50.1
April 23 69.7 50.4
April 24 70.0 50.7
April 25 70.2 51.1
April 26 70.6 51.4
April 27 70.8 51.7
April 28 71.1 52.0
April 29 71.3 52.2
April 30 71.5 52.4
May 1 71.8 52.7
May 2 72.0 53.0
May 3 72.2 53.4
May 4 72.3 53.7
May 5 72.5 53.9
May 6 72.7 54.1
May 7 72.9 54.3
May 8 73.3 54.6
May 9 73.6 54.9
May 10 73.9 55.2
May 11 74.2 55.6
May 12 74.6 56.0
May 13 74.9 56.4
May 14 75.2 56.8
May 15 75.6 57.2
May 16 75.8 57.5
May 17 76.1 57.9
May 18 76.4 58.2
May 19 76.7 58.5
May 20 77.0 58.7
May 21 77.2 59.0
May 22 77.5 59.3
May 23 77.7 59.6
May 24 78.1 59.9
May 25 78.3 60.2
May 26 78.7 60.5
May 27 79.1 60.9
May 28 79.5 61.3
May 29 79.9 61.8
May 30 80.1 62.1
May 31 80.3 62.4
June 1 80.7 62.7
June 2 81.1 63.0
June 3 81.4 63.4
June 4 81.8 63.8
June 5 82.1 64.2
June 6 82.4 64.6
June 7 82.7 64.9
June 8 82.9 65.2
June 9 83.1 65.4
June 10 83.3 65.7
June 11 83.7 65.9
June 12 84.0 66.2
June 13 84.2 66.4
June 14 84.4 66.6
June 15 84.6 66.8
June 16 84.7 67.0
June 17 84.9 67.3
June 18 85.2 67.6
June 19 85.5 67.8
June 20 85.9 68.1
June 21 86.1 68.4
June 22 86.4 68.7
June 23 86.6 69.0
June 24 86.7 69.2
June 25 86.9 69.3
June 26 87.0 69.5
June 27 87.1 69.6
June 28 87.3 69.7
June 29 87.5 69.9
June 30 87.6 70.1
July 1 87.8 70.2
July 2 88.0 70.4
July 3 88.2 70.6
July 4 88.4 70.8
July 5 88.6 71.0
July 6 88.7 71.1
July 7 88.9 71.3
July 8 89.1 71.4
July 9 89.1 71.6
July 10 89.1 71.6
July 11 89.0 71.7
July 12 89.1 71.7
July 13 89.1 71.8
July 14 89.2 71.9
July 15 89.2 72.0
July 16 89.2 72.0
July 17 89.3 72.1
July 18 89.3 72.1
July 19 89.3 72.2
July 20 89.3 72.2
July 21 89.4 72.2
July 22 89.3 72.2
July 23 89.2 72.1
July 24 89.1 72.1
July 25 89.1 72.0
July 26 89.0 72.0
July 27 89.0 72.0
July 28 89.0 72.0
July 29 89.0 72.0
July 30 88.9 72.0
July 31 88.8 71.9
August 1 88.6 71.8
August 2 88.5 71.7
August 3 88.4 71.6
August 4 88.4 71.6
August 5 88.2 71.5
August 6 88.1 71.4
August 7 88.0 71.2
August 8 88.0 71.2
August 9 87.9 71.1
August 10 87.8 70.9
August 11 87.7 70.8
August 12 87.6 70.7
August 13 87.5 70.7
August 14 87.5 70.6
August 15 87.4 70.5
August 16 87.3 70.5
August 17 87.2 70.4
August 18 87.0 70.2
August 19 86.8 70.1
August 20 86.7 70.0
August 21 86.7 70.0
August 22 86.6 69.9
August 23 86.4 69.7
August 24 86.3 69.5
August 25 86.2 69.4
August 26 86.0 69.2
August 27 85.8 69.1
August 28 85.6 68.8
August 29 85.3 68.6
August 30 85.2 68.3
August 31 85.0 68.2
September 1 84.7 67.9
September 2 84.4 67.6
September 3 84.2 67.4
September 4 83.9 67.1
September 5 83.6 66.9
September 6 83.4 66.6
September 7 83.2 66.3
September 8 82.9 66.1
September 9 82.7 65.9
September 10 82.3 65.6
September 11 81.9 65.2
September 12 81.6 64.9
September 13 81.3 64.6
September 14 81.0 64.3
September 15 80.6 63.9
September 16 80.2 63.5
September 17 79.8 63.1
September 18 79.4 62.7
September 19 79.0 62.3
September 20 78.7 61.9
September 21 78.4 61.6
September 22 78.0 61.2
September 23 77.6 60.8
September 24 77.2 60.4
September 25 76.9 60.0
September 26 76.6 59.7
September 27 76.2 59.4
September 28 75.8 59.0
September 29 75.4 58.6
September 30 75.0 58.2
October 1 74.7 57.8
October 2 74.4 57.4
October 3 73.9 57.0
October 4 73.6 56.6
October 5 73.2 56.2
October 6 72.8 55.8
October 7 72.4 55.4
October 8 72.0 54.9
October 9 71.6 54.5
October 10 71.3 54.1
October 11 70.9 53.6
October 12 70.4 53.2
October 13 70.0 52.8
October 14 69.7 52.5
October 15 69.3 52.1
October 16 68.9 51.7
October 17 68.6 51.4
October 18 68.2 51.1
October 19 67.8 50.7
October 20 67.5 50.3
October 21 67.0 49.9
October 22 66.6 49.5
October 23 66.3 49.2
October 24 65.8 48.7
October 25 65.4 48.2
October 26 65.0 47.8
October 27 64.6 47.4
October 28 64.3 47.0
October 29 63.8 46.6
October 30 63.3 46.2
October 31 62.9 45.9
November 1 62.7 45.6
November 2 62.4 45.3
November 3 62.0 45.0
November 4 61.5 44.6
November 5 61.1 44.3
November 6 60.8 44.0
November 7 60.5 43.7
November 8 60.1 43.4
November 9 59.7 43.1
November 10 59.4 42.7
November 11 59.0 42.3
November 12 58.7 42.0
November 13 58.5 41.8
November 14 58.2 41.6
November 15 57.9 41.3
November 16 57.6 41.0
November 17 57.3 40.8
November 18 56.9 40.5
November 19 56.6 40.3
November 20 56.3 40.0
November 21 55.9 39.7
November 22 55.6 39.5
November 23 55.2 39.2
November 24 54.8 38.9
November 25 54.3 38.7
November 26 53.9 38.4
November 27 53.6 38.2
November 28 53.4 38.0
November 29 53.0 37.8
November 30 52.6 37.5
December 1 52.3 37.3
December 2 52.0 37.1
December 3 51.8 36.9
December 4 51.5 36.7
December 5 51.1 36.3
December 6 50.7 36.1
December 7 50.5 35.8
December 8 50.3 35.6
December 9 50.2 35.5
December 10 50.0 35.4
December 11 49.6 35.1
December 12 49.2 34.8
December 13 48.9 34.5
December 14 48.6 34.3
December 15 48.4 34.1
December 16 48.1 33.9
December 17 48.0 33.8
December 18 47.8 33.6
December 19 47.5 33.4
December 20 47.4 33.3
December 21 47.4 33.1
December 22 47.2 33.0
December 23 47.2 32.9
December 24 47.1 32.8
December 25 46.9 32.6
December 26 46.7 32.5
December 27 46.6 32.3
December 28 46.5 32.2
December 29 46.5 32.2
December 30 46.6 32.1
December 31 46.5 32.0
Weather Station Details
Years Station Coordinates
1945–2024 Washington Reagan Airport location
1851–1945 Washington D.C. location