Helena Valley West Central Weather in December

The climate in Helena Valley West Central during December can be summarized as cold and dry.

December is in the winter in Helena Valley West Central and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -0°C (32°F), whilst at night -12°C (11°F) is normal.

On average December is the 2nd driest month of the year in Helena Valley West Central with around 16mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.7 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Helena Valley West Central in December 2024.