Average Snowfall for Idaho in December





The tables below give monthly averages for snowfall during December at cities, towns and parks in Idaho. 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 1981 to 2010 for the NOAA National Climatic Data Center.

You can jump to a separate table for each region of the state: Eastern, Central, Southwestern and Northern Idaho.

Eastern Idaho

Average total snowfall in December
Days Place Inches Centi­metres
8.7 Idaho Falls 9.9 25.1
5.1 Malad City 8.7 22.1
12.3 Pocatello 16.2 41.1
7.2 Preston 16.4 41.7

Central Idaho

December snowfall averages
Days Place Inches Centi­metres
8.3 Craters of the Moon Monument 26.7 67.8
9.5 Ketchum 31.6 80.3
3.5 Lake Walcott, Minidoka Dam 5.3 13.5
6.6 Middle Fork Lodge 11.5 29.2
5.9 Salmon 7.4 18.8
6.2 Stanley, Sawtooth Recreation Area 20.7 52.6
5.5 Twin Falls 7.1 18.0

Southwestern Idaho

Average snow for December
Days Place Inches Centi­metres
6.0 Boise 7.0 17.8
0.4 Bruneau 1.0 2.5
7.9 Idaho City 24.1 61.2
0.5 Lake Lowell, Deer Flat Dam 1.5 3.8
11.6 McCall 33.3 84.6
2.3 Mountain Home 4.6 11.7

Northern Idaho

Average total snowfall in December
Days Place Inches Centi­metres
5.6 Coeur d’Alene 10.9 27.7
13.3 Elk City 26.4 67.1
8.9 Kellogg 17.1 43.4
4.1 Lewiston 3.5 8.9
8.0 Moscow 15.4 39.1
1.2 Riggins 1.4 3.6
9.2 Sandpoint 19.7 50.0
9.6 Wallace 22.6 57.4
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Idaho Snowfall
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