Average Snowfall for Montana in December





The tables below give monthly averages for snowfall during December at cities, towns and parks in Montana. The numbers are for the total amount of new snow and how many days it snows at least 0.1 inches (0.25 centimetres) this month.

The snowfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for each region of the state: Northwestern, Southwestern, South - Central and Eastern Montana.

Northwestern Montana

Average total snowfall in December
Days Place Inches Centi­metres
10.8 Kalispell 15.9 40.4
7.7 Libby 20.4 51.8
9.5 Missoula 11.6 29.5
14.0 Seeley Lake 28.9 73.4
14.2 West Glacier 31.4 79.8
9.1 Whitefish 21.2 53.8

Southwestern Montana

December snowfall averages
Days Place Inches Centi­metres
8.4 Anaconda 12.1 30.7
9.4 Bozeman 16.2 41.1
2.0 Dillon 4.6 11.7
11.9 Hebgen Lake Dam 45.2 114.8
5.2 Helena 7.7 19.6
12.3 Sula 19.0 48.3
6.1 Virginia City 12.2 31.0

South - Central Montana

Average snow for December
Days Place Inches Centi­metres
2.4 Bighorn Lake, Yellowtail Dam 7.3 18.5
6.5 Billings 9.8 24.9
16.4 Cooke City 37.9 96.3
8.5 Mystic Lake 21.6 54.9
5.8 Red Lodge 18.7 47.5

Eastern Montana

Average total snowfall in December
Days Place Inches Centi­metres
7.2 Glasgow 9.1 23.1
3.5 Glendive 4.3 10.9
7.1 Great Falls 9.6 24.4
5.9 Havre City 8.2 20.8
5.7 Lewistown 16.1 40.9
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Montana Snowfall
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