The weather in Rockville in December is very cold with temperatures between 1°C and 8°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Rockville during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Rockville can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Rockville in December 2024.
If you’re planning to visit Rockville in the near future, we highly recommend that you review the 14 day weather forecast for Rockville before you arrive.
Temperatures
8° / 1°
Rainy Days
7
Snowy Days
2
Dry Days
22
Rainfall
111
mm
Sun Hours
5.8
Hrs
