Jackson, WY Snowfall A+

First snow Oct 18 · Last snow May 1 · 154.8 in/yr · Station: MOOSE

Avg First Snow

Oct 18

Median over 27 seasons 38d late

Avg Last Snow

May 1

Median over 27 seasons

Snow Season

196 days

SepJun

Avg Annual Snowfall

154.8 in

Rank #7 of 217 tracked

Latest season (2025–26): first measurable snowfall arrived 38 days later than the 30-year normal.

Average Monthly Snowfall (inches)

0.2

Sep

3.9

Oct

17.6

Nov

38.6

Dec

40.3

Jan

24.4

Feb

18.9

Mar

9.6

Apr

1.2

May

Jun

How Jackson Compares

Jackson snowfall vs Wyoming and U.S. medians
Measure	Jackson	Wyoming median	U.S. median
Avg annual snowfall	154.8 in	66.5 in	39.1 in
Avg first snowfall	Oct 18	Oct 13	Nov 16
Avg last snowfall	May 1	May 4	Apr 3
Snow season length	196 days	204 days	139 days

Medians are taken across tracked cities with regular snowfall (6 in Wyoming, 201 nationally).

Nearby Tracked Cities

Ski Resorts in Wyoming

Data source: NOAA GHCN-Daily records for MOOSE (USC00486428), 20 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.