Weather in Casper in December
The weather in Casper in December is extremely cold, when degrees are between -9 and 3 and there are 8 days of rain and 10 days of snow in average. Therefore, if you are planning a trip to Casper in December, warm clothes and gloves are highly recommended.
Avg Temp
(-9°) - 3°
Avg Rainy Days
8
Avg Dry Days
23
Avg Snow Days
10
Weather Facts - Casper in December
* The warmest temperature recorded in in December is 17°C
* The coldest temperature recorded in Casper in December is (-41°C)
* The average rainfall in Casper in December is 11 mm