Washington D.C. Weather Records

Washington D.C., District of Columbia weather averages and records from 1851–2023 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Washington D.C., District of Columbia was 106 °F which occurred on July 20, 1930.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Washington D.C., District of Columbia was -15 °F which occurred on February 11, 1899.
Lowest Temperatures: All-Time By Year
Washington D.C. Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 44.5 29.7 79 -14 2.9 4.9
February 47.8 31.4 84 -15 2.6 5.0
March 56.2 38.2 93 4 3.5 2.0
April 67.5 47.8 95 15 3.2 0.0
May 76.0 57.6 99 33 3.9 0.0
June 84.7 67.0 102 43 4.2 0.0
July 89.1 72.0 106 52 4.3 0.0
August 87.3 70.5 106 49 3.3 0.0
September 80.3 63.7 104 36 3.9 0.0
October 68.9 51.7 96 26 3.7 0.0
November 57.8 41.3 86 11 2.9 0.1
December 48.3 34.0 79 -13 3.4 1.7
Entire year 67.5 50.5 106 -15 41.8 13.7
More Washington D.C. Weather Records
1851–2023
Highest daily low 84 °F July 24, 2011
Lowest daily high 4 °F February 10, 1899
Greatest daily range
(Difference of high and low)
50 °F March 22, 1907
Difference in high temperature
over two conscutive days
41 °F Mar 18–19, 1934
Most daily precipitation 6.4 inches August 23, 1933
Most monthly precipitation 17.5 inches September 1934
Most yearly precipitation 66.3 inches 2018
Earliest freeze October 10 1895
Latest freeze April 29 1874
Earliest snow in season October 10 1979
Latest snow in season April 28 1898
Most daily snow 21.0 inches January 28, 1922
Most monthly snow 35.2 inches February 1899
Most yearly snow 49.8 inches 1899
Greatest snow accumulation 34.0 inches February 15, 1899
Most days in a year ≥ 80 °F 136 2018
Most days in a year ≥ 90 °F 67 2010
Most days in a year ≥ 100 °F 11 1930
Washington D.C. Weather Streaks
Most consecutive days...
With precipitation 15 days Apr 27 – May 11, 2016
Without precipitation 34 days Sep 15 – Oct 18, 2007
With snow 5 days Dec 22–26, 1935
Freezing temperatures
High temperature ≤ 32 °F
12 days Jan 23 – Feb 3, 1936
High temperature ≥ 80 °F 84 days Jun 6 – Aug 28, 1872
High temperature ≥ 90 °F 21 days Jul 29 – Aug 18, 1988
High temperature ≥ 100 °F 4 days Jul 5–8, 2012
Washington D.C. Weather by Year
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Weather Station Details
Years Station Coordinates
1945–2023 Washington Reagan Airport location
1851–1945 Washington D.C. location