Average Annual Snowfall in Idaho

The tables below give yearly averages for snowfall at cities, communities and other locations around Idaho. 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: Eastern, Central, Southwestern and Northern Idaho.

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

Eastern Idaho

Average annual snowfall

Days	Place	Inches	Centi­metres
50.5	Pocatello	63.6	161.5
30.6	Preston	52.4	133.1

Central Idaho

Yearly snow averages

Days	Place	Inches	Centi­metres
34.7	Craters of the Moon Monument	80.3	204.0
38.0	Ketchum	102.0	259.1
14.1	Lake Walcott, Minidoka Dam	20.5	52.1
27.2	Middle Fork Lodge	40.7	103.4
14.8	Salmon	22.0	55.9
31.9	St. Maries	56.0	142.2
19.7	Twin Falls	24.2	61.5

Southwestern Idaho

Average total snowfall for a year

Days	Place	Inches	Centi­metres
18.2	Boise	17.6	44.7
50.9	McCall	132.2	335.8

Northern Idaho

Average annual snowfall

Days	Place	Inches	Centi­metres
25.2	Bonners Ferry	53.8	136.7
71.8	Elk City	119.2	302.8
32.4	Kellogg	52.4	133.1
11.0	Lewiston	12.7	32.3
27.2	Moscow	50.9	129.3
4.3	Riggins	7.1	18.0
31.4	Sandpoint	62.0	157.5
36.7	Wallace	75.6	192.0