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District Of Columbia County Weather

 
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The average temperature of District Of Columbia County 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, #1

District Of Columbia County
207.80
District of Columbia
207.46
U.S.
212.91

Cooling Cost Index, #1

District Of Columbia County
119.41
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, #1
District Of Columbia County
54.7 °F
District of Columbia
54.7 °F
U.S.
54.5 °F

Ranks: Average Max. Temperature: #1, Average Min. Temperature: #1

Precipitation

Average Annual Precipitation, #1
District Of Columbia County
42.20 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), #1
District Of Columbia County
75.98 days
District of Columbia
75.91 days
U.S.
66.51 days


Snow

Average Annual Snowfall, #1
District Of Columbia County
17.53 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, #1
District Of Columbia County
16.65 days
District of Columbia
16.64 days
U.S.
27.17 days


Humidity

Annual Average Humidity, #1
District Of Columbia County
76.56%
District of Columbia
77.49%
U.S.
77.52%


Wind Speed

Annual Average Wind Speed, #1
District Of Columbia County
33.03 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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