Average Snowfall for Washington in December





The tables below give monthly averages for snowfall during December at cities, towns and parks in Washington. 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: Olympic Peninsula & West Coast, San Juan Islands & Puget Sound, Cascade Mountains and Eastern Washington.

Olympic Peninsula & West Coast

Average total snowfall in December
Days Place Inches Centi­metres
0.0 Aberdeen 0.0 0.0
0.1 Clearwater 0.3 0.8
1.1 Forks 1.9 4.8
0.0 Grayland 0.0 0.0
0.1 Long Beach 0.1 0.3

San Juan Islands, Puget Sound & South

December snowfall averages
Days Place Inches Centi­metres
0.5 Anacortes 0.6 1.5
1.5 Bellingham 2.9 7.4
0.6 Bremerton 1.1 2.8
0.6 Olga, Orcas Island 2.0 5.1
2.0 Olympia 2.6 6.6
0.3 Port Townsend 0.4 1.0
1.2 Seattle 2.5 6.4
0.5 Vancouver 0.2 0.5

Cascade Mountains

Average snow for December
Days Place Inches Centi­metres
5.2 Baker Lake Dam 15.5 39.4
5.3 Baring 16.6 42.2
19.0 Mt Rainier Paradise Ranger Station 124.0 315.0
4.8 Ross Dam 18.4 46.7

Eastern Washington State

Average total snowfall in December
Days Place Inches Centi­metres
10.3 Boundary Dam 21.3 54.1
5.7 Chelan 9.4 23.9
0.6 Kennewick 0.4 1.0
9.6 Leavenworth 33.2 84.3
6.1 Pullman 10.4 26.4
9.8 Spokane 14.6 37.1
3.2 Walla Walla 4.4 11.2
8.3 Wenatchee 13.7 34.8
11.2 Winthrop 22.3 56.6
6.4 Yakima 9.7 24.6
Reference

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

Washington Snowfall
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