Casper

The tables below display average monthly climate and weather indicators in Casper Wyoming. Temperature by: Fahrenheit / Centigrade Casper Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Avg. Temperature 22.4 26.5 33.5 42.8 52.3 62.7 70.8 68.7 57.8 46.4 33.1 23.8 45.1 Avg. Max Temperature 32.8 37.0 45.2 56.1 66.6 78.6 87.6 85.7 73.8 60.5 44.3 33.9 58.5 Avg. Min Temperature 12.0 16.0 21.8 29.5 37.9 46.9 54.0 51.8 41.6 32.2 21.8 13.7 31.6 Days with Max Temp of 90 F or Higher 0.0 0.0 0.0 0.0 < 0.5 4.0 13.0 11.0 2.0 0.0 0.0 0.0 30.0 Days with Min Temp Below Freezing 29.0 26.0 26.0 19.0 7.0 < 0.5 < 0.5 0.0 4.0 16.0 25.0 28.0 181     Casper Heating and Cooling Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Heating Degree Days 1321 1078 977 666 394 139 10.0 36.0 250 577 957 1277 7682 Cooling Degree Days 0.0 0.0 0.0 0.0 0.0 70.0 190 151 34.0 0.0 0.0 0.0 445     Casper Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precipitation (inches) 0.6 0.6 0.9 1.6 2.1 1.5 1.3 0.7 0.9 1.0 0.8 0.7 12.5 Days with Precipitation 0.01 inch or More 7.0 8.0 9.0 10.0 11.0 9.0 8.0 6.0 7.0 7.0 7.0 7.0 96.0 Monthly Snowfall (inches) 10.1 10.4 13.4 12.4 3.7 0.2 < 0.05 < 0.05 1.3 6.1 10.9 10.9 79.4     Other Casper Weather Indicators Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Average Wind Speed 16.2 14.8 13.7 12.5 11.6 10.9 10.1 10.3 10.9 11.9 14.4 16.0 12.8 Clear Days 7.0 6.0 6.0 5.0 6.0 10.0 14.0 13.0 13.0 11.0 7.0 8.0 107 Partly Cloudy Days 8.0 8.0 9.0 9.0 11.0 11.0 11.0 11.0 9.0 8.0 8.0 8.0 111 Cloudy Days 16.0 14.0 16.0 16.0 15.0 9.0 6.0 7.0 8.0 12.0 14.0 15.0 147 Avg. Relative Humidity 50.0 64.0 62.5 60.0 60.0 58.0 52.0 47.0 46.0 49.5 55.5 62.5 66.0

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