Montana in december: average Weather, Temperature and Climate
Weather in Montana in december 2026
The weather in Montana in december comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 780.6cm
Weather at 6am
16°F
Snow showers
39% of time
29%
16%
9%
Weather at 12pm
23°F
Snow showers
36% of time
34%
18%
7%
Weather at 6pm
18°F
Snow showers
39% of time
25%
20%
13%
Weather at 3am
16°F
42%
29%
17%
6%
Evolution of daily average temperature and precipitation in Montana in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Montana in december.
The climate of Montana in december is very bad
the weather in Montana in december is wet (with 3in of rainfall over 5 days). The weather is better from the previous month since in november it receives an average of 3in of rainfall over 5 days.
The climate is rather cold here this month. Bring warm clothes! The high seasonal norm is 27°F. The minimum is 14°F. Thus, the mean temperature average on this month of december in Montana is 20°F. Note that seasonal normals in contrast with those observed in Montana in the month of december with a maximum record of 50°F in 2021 and a minimum record of -36°F in 2013.
On this month of december, day length in Montana is generally 08:33. The sun rises at 08:00 and sets at 16:33.
December: another location in the United States (USA)?
If you want to go to the United States (USA) in december, there are destinations with better weather than Montana:
In december, Miami (Florida) has perfect weather.
Furthermore, Hawaii (Honolulu), Houston, Myrtle Beach, Phoenix (Arizona), Carolina Beach and Dauphin Island (Alabama) have good weather.
Finally, California, Louisiana, Atlanta, Dallas, Austin and Big Bend National Park (Texas) have a tolerable climate, but better than Montana.
Seasonal average climate and temperature of Montana in december
Check below seasonal norms These statistics are generated from the weather statements of the past years of the month of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 20°F | ||||
| Highest temperature | 27°F | ||||
| Lowest temperature | 14°F | ||||
| Highest record temperature | 50°F (2021) | ||||
| Lowest record temperature | -36°F (2013) | ||||
| Number of days at -32°F | 30 day(s) (97%) | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 4°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3in | ||||
| Number of days with rainfall | 5 day(s) (15%) | ||||
| Record daily rainfall | 1.3in (2015) | ||||
| Snowfall | 780.6cm | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 7.27km | ||||
| Cloud cover | 49% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 7 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:00 | ||||
| Time of sunset | 16:33 | ||||
| Length of day | 08:33 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Montana in december 2025:
14°F to 23°F
20°F to 25°F
18°F to 23°F
20°F to 27°F
20°F to 25°F
23°F to 29°F
22°F to 27°F
23°F to 31°F
29°F to 34°F
23°F to 38°F
31°F to 36°F
22°F to 29°F
20°F to 32°F
32°F to 38°F
29°F to 40°F
27°F to 34°F
23°F to 27°F
16°F to 23°F
27°F to 31°F
14°F to 22°F
14°F to 29°F
31°F to 32°F
31°F to 38°F
31°F to 38°F
34°F to 36°F
32°F to 34°F
9°F to 27°F
2°F to 13°F
13°F to 27°F
20°F to 32°F
29°F to 40°F
Map: other cities in the United States (USA) in december
Cities near Montana:
| Helena (Montana) in december | very bad weather |
| Yellowstone National Park in december | very bad weather |
| Cody (Wyoming) in december | very bad weather |
| Glacier National Park (Montana) in december | very bad weather |
| Grand Teton National Park (Wyoming) in december | very bad weather |
| Jackson Hole in december | very bad weather |
| Wyoming in december | very bad weather |
| Boise (Idaho) in december | very bad weather |
| Mount Rushmore in december | very bad weather |
| Salt Lake City in december | very bad weather |
| North Dakota in december | very bad weather |
| Utah in december | very bad weather |
Click over cities on the map for information about the weather in december.
Montana
perfect weather
good
tolerable
bad
very bad
Weather data for Montana in december:
Weather data for Montana for december are derived from an average of the weather forecast since 2009 in Montana. There is a margin of error and these forecasts are to be considered as general information only. The weather in Montana can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Montana.