Average Annual Snowfall in Wyoming

The tables below give yearly averages for snowfall at cities, towns and parks in Wyoming. The numbers are for the total amount of snow and for how many days it snows at least 0.1 inches (0.25 centimetres).

The snowfall totals are annual 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: Northwest, Southwest, North - Central, Northeast and Southeast Wyoming.

Place name links take you to more detailed information on snowfall, snowstorms and snow accumulation for that location.

Northwest Wyoming

Average annual snowfall

Days	Place	Inches	Centi­metres
38.4	Alta	113.4	288.0
18.5	Cody	45.0	114.3
46.8	Jackson	78.2	198.6
70.9	Moose	165.9	421.4
69.7	Moran	174.9	444.2
91.8	Yellowstone Lake	199.4	506.5
52.7	Yellowstone Park, Mammoth	71.5	181.6
79.9	Yellowstone Park, Old Faithful	197.0	500.4
92.1	Yellowstone Park, South Entrance	293.6	745.7

Southwest Wyoming

Yearly snow averages

Days	Place	Inches	Centi­metres
14.6	Fontenelle Reservoir Dam	26.5	67.3
22.4	Kemmerer	49.7	126.2

North - Central Wyoming

Average total snowfall for a year

Days	Place	Inches	Centi­metres
11.1	Boysen Reservoir Dam	16.1	40.9
35.3	Lander	87.6	222.5
28.1	Riverton	44.3	112.5
34.4	Ten Sleep	62.7	159.3
13.3	Thermopolis	27.4	69.6

Northeast Wyoming

Average annual snowfall

Days	Place	Inches	Centi­metres
27.3	Buffalo	42.7	108.5
31.6	Devils Tower	48.8	124.0
35.2	Gillette	55.7	141.5
15.5	Sheridan	33.2	84.3
44.1	Sundance	81.3	206.5

Southeast Wyoming

Snowfall averages for a year

Days	Place	Inches	Centi­metres
45.5	Casper	71.8	182.4
45.0	Cheyenne	62.9	159.8
30.6	Douglas	59.0	149.9
51.2	Laramie	64.1	162.8
18.0	Torrington	31.2	79.2