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Washington, Arlington, Alexandria Metro Area Weather

 

The average temperature of Washington, Arlington, Alexandria Area is 54.20°F, which is about the same as the national average temperature of $54.45°F.

Topics:Heating Cost IndexCooling Cost IndexHistorical TemperatureHistorical PrecipitationHistorical SnowHistorical HumidityHistorical Wind Speed

Historical Weather

Heating Cost Index, #485

Washington, Arlington, Alexandria Area
222.23
U.S.
212.91

Cooling Cost Index, #451

Washington, Arlington, Alexandria Area
120.55
U.S.
139.42

The Heating Cost Index and the Cooling Cost Index are indicators of the relative heating and cooling cost of an area. They were calculated based on the average temperate and duration of the hot and cold days for the area. Please note, the actual heating cost and cooling cost are also dependent on other factors specific to individual residences such as the size of the house, the insulation condition, and the equipment efficiency, etc.

Average Temperature

Annual Average Temperature, #471
Washington, Arlington, Alexandria Area
54.2 °F
U.S.
54.5 °F

Ranks: Average Max. Temperature: #485, Average Min. Temperature: #448

Precipitation

Average Annual Precipitation, #453
Washington, Arlington, Alexandria Area
41.71 inches
U.S.
38.67 inches


Average Number of Days with 0.1 Inch or More Precipitation in a Year (this gives an indication of the number of days in a year that it is useful to have an umbrella), #394
Washington, Arlington, Alexandria Area
72.52 days
U.S.
66.51 days


Snow

Average Annual Snowfall, #379
Washington, Arlington, Alexandria Area
19.68 inches
U.S.
23.27 inches


Average Number of Days with 1 Inch or More Snow Depth in a Year, #381
Washington, Arlington, Alexandria Area
18.77 days
U.S.
27.17 days


Humidity

Annual Average Humidity, #439
Washington, Arlington, Alexandria Area
77.82%
U.S.
77.52%


Wind Speed

Annual Average Wind Speed, #3
Washington, Arlington, Alexandria Area
26.35 mph
U.S.
16.93 mph


* The temperature, snow fall, and precipitation information on this page were calculated from the historical data of 18,000+ U.S weather stations for the period of time from 1980 to 2010. The humidity and wind speed information were calculated from data from 15,000 worldwide stations for the period of time from 1980 to 2010.


 
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