- Save EXTRA 5% on car hire at worldwide destinations
- Book with the exclusive Zest Car Rental promo code
- Discount valid on all locations, car sizes & travel dates
Montana weather in December 2020
Below are average maximum temperatures at popular destinations in Montana in December. Select a destination to see more weather parameters.
The December weather guide for Montana shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How cold is it in Montana in December?
Daytime temperatures usually reach -0°C in Helena, Montana in December, falling to -12°C at night.
How sunny is it in Montana in December?
There are normally 3 hours of bright sunshine each day in Helena, Montana in December - that's 37% of daylight hours.
Does it rain in Montana in December?
There are usually 9 days with some rain in Helena, Montana in December and the average monthly rainfall is 16mm.
Montana sunrise & sunset times for December 2020
Browse the sunrise & sunset times for Montana in December 2020. Select a month to view Montana sunrise & sunset times for the next twelve months. The Montana sunrise & sunset times shown below are for Helena.
|Date||Sunrise times||Sunset times|
|Tuesday, 1st December 2020||07:52||16:42|
|Wednesday, 16th December 2020||08:07||16:41|
|Thursday, 31st December 2020||08:12||16:51|
- Compare car hire prices to find lowest rate
- Free cancellation up to 48 hours before pick up
- Book car hire for over 20,000 destinations worldwide
Metric (°C / mm) | Imperial (°F / inches)
Discover more about the USA
More Montana destinations
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.