Washington Weather History (DC)

Summary
  Temp.
(ºF)		 Relative Humidity
(Percentage)		 Extreme Temp.
(Days Per Month)		 Rain
(Inches) 		Cloudiness
(Days Per Month)
  Average A.M. P.M. Below
32º		 Above
90º 		Average Clear Partly
Cloudy		 Cloudy
January 30.6 77% 59% 26 0 2.7 7 7 17
February 33.6 78% 54% 22 0 2.8 7 6 15
March 43.2 78% 52% 17 0 3.2 7 8 16
April 52.7 76% 48% 5 N/A 3.1 7 9 14
May 62.2 83% 55% N/A 1 4.0 7 10 14
June 71.0 84% 56% 0 5 3.9 6 12 12
July 75.6 86% 55% 0 12 3.5 8 11 12
August 74.2 89% 55% 0 8 3.9 8 11 12
September 67.1 90% 56% N/A 3 3.4 9 9 12
October 55.1 89% 54% 5 N/A 3.2 11 8 12
November 45.4 82% 55% 15 0 3.3 7 8 15
December 35.4 79% 58% 23 0 3.2 7 7 17
Annual 53.8 83% 55% 113 29 40.2 92 105 168


Average Temperature (ºF)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
30.6 33.6 43.2 52.7 62.2 71.0 75.6 74.2 67.1 55.1 45.4 35.4

Relative Humidity (Percentage)
Morning
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
77% 78% 78% 76% 83% 84% 86% 89% 90% 89% 82% 79%
Afternoon
59% 54% 52% 48% 55% 56% 55% 55% 56% 54% 55% 58%

Rain (Inches)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
2.7 2.8 3.2 3.1 4.0 3.9 3.5 3.9 3.4 3.2 3.3 3.2

Cloudiness (Days Per Month)
  January February March
Clear 7 Days 7 Days 7 Days
Partly Cloudy 7 Days 6 Days 8 Days
Cloudy 17 Days 16 Days 16 Days
  April May June
Clear 7 Days 7 Days 6 Days
Partly Cloudy 9 Days 10 Days 12 Days
Cloudy 14 Days 14 Days 12 Days
  July August September
Clear 8 Days 8 Days 9 Days
Partly Cloudy 11 Days 11 Days 9 Days
Cloudy 12 Days 12 Days 12 Days
  October November December
Clear 11 Days 7 Days 7 Days
Partly Cloudy 8 Days 8 Days 7 Days
Cloudy 12 Days 15 Days 17 Days
  Clear Partly Cloudy Cloudy
 
Days Per Year 92 105 168


View Average Temperatures for all Cities Weather History by City and State
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