Missoula, MT Snowfall B+

First snow Nov 4 · Last snow Apr 16 · 42.7 in/yr · Station: MISSOULA INTERNATIONAL AP

Avg First Snow

Nov 4

Median over 30 seasons 22d late

Avg Last Snow

Apr 16

Median over 30 seasons

Snow Season

164 days

SepJun

Avg Annual Snowfall

42.7 in

Rank #96 of 217 tracked

Latest season (2025–26): first measurable snowfall arrived 22 days later than the 30-year normal.

Average Monthly Snowfall (inches)

0.1

Sep

0.5

Oct

5.5

Nov

11.8

Dec

9.8

Jan

8.5

Feb

5.0

Mar

1.3

Apr

0.3

May

Jun

How Missoula Compares

Missoula snowfall vs Montana and U.S. medians
Measure	Missoula	Montana median	U.S. median
Avg annual snowfall	42.7 in	58.2 in	39.1 in
Avg first snowfall	Nov 4	Oct 12	Nov 16
Avg last snowfall	Apr 16	Apr 24	Apr 3
Snow season length	164 days	195 days	139 days

Medians are taken across tracked cities with regular snowfall (7 in Montana, 201 nationally).

Nearby Tracked Cities

Ski Resorts in Montana

Data source: NOAA GHCN-Daily records for MISSOULA INTERNATIONAL AP (USW00024153), 10 km from the city center, accessed via the ACIS web service. Normals window: 1990–91 through 2019–20 snow seasons. Measurable snow = ≥ 0.1 in.