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Pennington County Weather

 
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The average temperature of Pennington County is 46.97°F, which is higher than the South Dakota average temperature of 45.54°F and is much lower than 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, #18

Pennington County
343.02
South Dakota
363.66
U.S.
212.91

Cooling Cost Index, #35

Pennington County
85.96
South Dakota
78.34
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, #21
Pennington County
47.0 °F
South Dakota
45.5 °F
U.S.
54.5 °F

Ranks: Average Max. Temperature: #15, Average Min. Temperature: #32

Precipitation

Average Annual Precipitation, #51
Pennington County
18.35 inches
South Dakota
22.02 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), #49
Pennington County
41.62 days
South Dakota
45.75 days
U.S.
66.51 days


Snow

Average Annual Snowfall, #7
Pennington County
42.34 inches
South Dakota
37.43 inches
U.S.
23.27 inches


Average Number of Days with 1 Inch or More Snow Depth in a Year, #47
Pennington County
45.44 days
South Dakota
51.03 days
U.S.
27.17 days


Humidity

Annual Average Humidity, #39
Pennington County
80.11%
South Dakota
80.54%
U.S.
77.52%


Wind Speed

Annual Average Wind Speed, #34
Pennington County
21.41 mph
South Dakota
21.32 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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