Weather in Rapid City in December
The weather in Rapid City in December is extremely cold, when degrees are between -8 and 4 and there are 5 days of rain and 9 days of snow in average. Therefore, if you are planning a trip to Rapid City in December, warm clothes and gloves are highly recommended.
Avg Temp
(-8°) - 4°
Avg Rainy Days
5
Avg Dry Days
26
Avg Snow Days
9
Weather Facts - Rapid City in December
* The warmest temperature recorded in in December is 18°C
* The coldest temperature recorded in Rapid City in December is (-27°C)
* The average rainfall in Rapid City in December is 9 mm