Casper December Weather Averages Wyoming, United States of America

December Weather Averages for Casper

High Temp-1°C31°F
Low Temp-10°C14°F
Avg Temp-6°C22°F
Sunshine Hours236 hours 
Rainfall20.95 mm0.82 In
Rain days5 days 
Pressure1020 mb31 In

 

Casper December Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
2008-1°C / 29°F-12°C / 10°F-7°C / 20°F223 hours23.20 mm / 0.91 In6 days1018 mb / 31 In
2009-5°C / 23°F-14°C / 6°F-10°C / 14°F240 hours25.50 mm / 1.00 In8 days1023 mb / 31 In
20100°C / 32°F-9°C / 15°F-5°C / 23°F177 hours32.51 mm / 1.28 In6 days1019 mb / 31 In
2011-2°C / 28°F-13°C / 8°F-8°C / 17°F283 hours19.74 mm / 0.78 In5 days1025 mb / 31 In
20121°C / 35°F-8°C / 18°F-4°C / 26°F257 hours8.30 mm / 0.33 In6 days1016 mb / 30 In
2013-4°C / 25°F-14°C / 6°F-9°C / 15°F219 hours25.20 mm / 0.99 In6 days1023 mb / 31 In
20140°C / 33°F-8°C / 17°F-4°C / 25°F247 hours29.60 mm / 1.17 In8 days1020 mb / 31 In
2015-2°C / 29°F-11°C / 13°F-7°C / 20°F229 hours22.00 mm / 0.87 In5 days1017 mb / 31 In
2016-4°C / 24°F-15°C / 4°F-10°C / 14°F224 hours38.20 mm / 1.50 In2 days1022 mb / 31 In
20170°C / 31°F-11°C / 12°F-6°C / 21°F241 hours30.48 mm / 1.20 In5 days1024 mb / 31 In
2018-1°C / 30°F-11°C / 13°F-6°C / 21°F245 hours16.40 mm / 0.65 In5 days1023 mb / 31 In
2019-2°C / 28°F-11°C / 13°F-7°C / 20°F279 hours15.80 mm / 0.62 In5 days1020 mb / 31 In
20201°C / 34°F-8°C / 17°F-4°C / 25°F232 hours15.40 mm / 0.61 In5 days1021 mb / 31 In
20213°C / 38°F-6°C / 21°F-2°C / 29°F232 hours17.50 mm / 0.69 In5 days1011 mb / 30 In
2022-2°C / 29°F-12°C / 11°F-7°C / 20°F189 hours23.20 mm / 0.91 In6 days1020 mb / 31 In
20234°C / 39°F-5°C / 22°F-2°C / 29°F278 hours15.33 mm / 0.60 In5 days1020 mb / 31 In
20244°C / 39°F-5°C / 24°F-1°C / 30°F209 hours0.00 mm / 0.00 In0 days1021 mb / 31 In
Wyoming

 

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