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20221 Zip Code Weather

 
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The average temperature of 20221 Zip Code is 54.72°F, which is about the same as the District of Columbia average temperature of 54.73°F and 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, #63

20221 Zip Code
207.87
District of Columbia
207.46
U.S.
212.91

Cooling Cost Index, #52

20221 Zip Code
119.46
District of Columbia
119.31
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, #41
20221 Zip Code
54.7 °F
District of Columbia
54.7 °F
U.S.
54.5 °F

Ranks: Average Max. Temperature: #65, Average Min. Temperature: #70

Precipitation

Average Annual Precipitation, #84
20221 Zip Code
42.21 inches
District of Columbia
42.17 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), #92
20221 Zip Code
75.97 days
District of Columbia
75.91 days
U.S.
66.51 days


Snow

Average Annual Snowfall, #95
20221 Zip Code
17.48 inches
District of Columbia
17.61 inches
U.S.
23.27 inches


Average Number of Days with 1 Inch or More Snow Depth in a Year, #47
20221 Zip Code
16.62 days
District of Columbia
16.64 days
U.S.
27.17 days


Humidity

Annual Average Humidity, #59
20221 Zip Code
77.74%
District of Columbia
77.49%
U.S.
77.52%


Wind Speed

Annual Average Wind Speed, #60
20221 Zip Code
31.05 mph
District of Columbia
31.44 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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