Weather in Rockville in December
The weather in Rockville in December is cold, when degrees are between 0 and 10 and there are 14 days of rain and 4 days of snow in average. Therefore, if you are planning a trip to Rockville in December, warm clothes and gloves are highly recommended.
Avg Temp
0° - 10°
Avg Rainy Days
14
Avg Dry Days
17
Avg Snow Days
4
Weather Facts - Rockville in December
* The warmest temperature recorded in in December is 26°C
* The coldest temperature recorded in Rockville in December is (-15°C)
* The average rainfall in Rockville in December is 80 mm