Glacier National Park in december: average Weather, Temperature and Climate
Weather in Glacier National Park in december 2026
The weather in Glacier National Park in december comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 828.3cm
Weather at 6am
9°F
Snow showers
56% of time
16%
16%
10%
Weather at 12pm
18°F
Snow showers
50% of time
18%
13%
9%
Weather at 6pm
11°F
Snow showers
55% of time
18%
12%
11%
Weather at 3am
9°F
43%
30%
12%
12%
Evolution of daily average temperature and precipitation in Glacier National Park in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Glacier National Park in december.
The climate of Glacier National Park in december is very bad
The climate in december in Glacier National Park is wet (with 3.6in of rainfall over 7 days). This is better than the previous month since in november it receives an average of 6in of precipitation over 10 days.
The climate is very cold in this location the month of december. Do not forget to take with you warm clothes!. Temperatures are up to 20°F. In the morning the temperature drops to 9°F. Thus, the mean temperature average on this month of december in Glacier National Park is 14°F. Note that these seasonal averages are in contrast with those observed in Glacier National Park in the month of december with a maximum record of 36°F in 2017 and a minimum record of -40°F in 2013.
Day length in Glacier National Park in december is 07:53. Sunrise is at 07:49 and sets at 15:42.
Seasonal average climate and temperature of Glacier National Park in december
Check below seasonal norms These statistics are compiled from the weather statements earlier years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 14°F | ||||
| Highest temperature | 20°F | ||||
| Lowest temperature | 9°F | ||||
| Highest record temperature | 36°F (2017) | ||||
| Lowest record temperature | -40°F (2013) | ||||
| Number of days at -32°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 8km/h | ||||
| Wind temperature | 4°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.6in | ||||
| Number of days with rainfall | 7 day(s) (21%) | ||||
| Record daily rainfall | 1.5in (2019) | ||||
| Snowfall | 828.3cm | ||||
| Other climate data | |||||
| Humidity | 96% | ||||
| Visibility | 5.79km | ||||
| Cloud cover | 58% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:49 | ||||
| Time of sunset | 15:42 | ||||
| Length of day | 07:53 | ||||
| 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 Glacier National Park in december 2025:
18°F to 25°F
22°F to 25°F
22°F to 23°F
25°F to 29°F
20°F to 23°F
27°F to 29°F
22°F to 27°F
25°F to 29°F
27°F to 31°F
23°F to 31°F
27°F to 31°F
20°F to 25°F
20°F to 31°F
29°F to 32°F
31°F to 34°F
20°F to 27°F
23°F to 25°F
14°F to 22°F
14°F to 23°F
13°F to 20°F
20°F to 22°F
16°F to 20°F
20°F to 22°F
18°F to 29°F
23°F to 27°F
25°F to 27°F
0°F to 18°F
-2°F to 13°F
11°F to 22°F
20°F to 27°F
13°F to 23°F
Map: other cities in Canada in december
Cities near Glacier National Park:
| Moraine Lake in december | very bad weather |
| Lake Louise in december | very bad weather |
| Banff National Park in december | very bad weather |
| Salmon Arm in december | very bad weather |
| Canmore in december | very bad weather |
| Jasper National Park in december | very bad weather |
| Kamloops in december | very bad weather |
| Kelowna in december | very bad weather |
| Cranbrook in december | very bad weather |
| Calgary in december | very bad weather |
| Penticton in december | very bad weather |
| Red Deer in december | very bad weather |
Click over cities on the map for information about the weather in december.
Glacier National Park
perfect weather
good
tolerable
bad
very bad
Weather data for Glacier National Park in december:
Weather data for Glacier National Park for december are derived from an average of the weather forecast since 2009 in Glacier National Park. There is a margin of error and these forecasts are to be considered as general information only. The weather in Glacier National Park 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 Glacier National Park.