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CLIMATE

Nestled at the base of 9,000-foot Casper Mountain, Casper averages 275 days of sunshine per year with just 11.2 inches of precipitation.  Characterized as the “comfort zone” by the National Weather Service, Casper temperatures in July average 87° and 32° in January.  Additionally, the low year round humidity keeps summers from being oppressive and the dry winter temperatures never seem as cold as in more humid states.
Annual Average Temperature (°F):
Monthly Average Winter Low Temperature (°F):
Monthly Mean Winter Temperature (°F):
Monthly Average Summer High Temperature (°F):
Monthly Mean Summer Temperature (°F):
Annual Average Snowfall (inches):
Average Wind Speed (mph):
Annual Average Precipitation (inches):
Prevailing Winds:
Mean Length of Freeze - Free Period (Days): 		45.2
13
25.2
87
67.7
77
12.9
11.9
Southwesterly
122
 
 


Source:  Western Regional Climate Center


National Oceanic and Atmospheric Administration
Wyoming Cities Forecast
Western Regional Climate Center

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300 S.Wolcott Suite 300
Casper, Wyoming 82601-2468
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