Mammoth Lakes, CA Snowfall A-
First snow Nov 22 · Last snow Apr 19 · 70.1 in/yr · Station: LEE VINING
Avg First Snow
Nov 22
Median over 28 seasons 39d early
Avg Last Snow
Apr 19
Median over 28 seasons
Snow Season
149 days
SepJun
Avg Annual Snowfall
70.1 in
Rank #41 of 217 tracked
Latest season (2025–26): first measurable snowfall arrived 39 days earlier than the 30-year normal.
Average Monthly Snowfall (inches)
Sep
1.5Oct
4.0Nov
14.5Dec
19.0Jan
15.5Feb
10.8Mar
3.2Apr
1.4May
0.2Jun
How Mammoth Lakes Compares
| Measure | Mammoth Lakes | California median | U.S. median |
|---|---|---|---|
| Avg annual snowfall | 70.1 in | 100.9 in | 39.1 in |
| Avg first snowfall | Nov 22 | Nov 10 | Nov 16 |
| Avg last snowfall | Apr 19 | Apr 27 | Apr 3 |
| Snow season length | 149 days | 169 days | 139 days |
Medians are taken across tracked cities with regular snowfall (3 in California, 201 nationally).
Nearby Tracked Cities
Data source: NOAA GHCN-Daily records for LEE VINING (USC00044881), 37 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.