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
1.5
Oct
4.0
Nov
14.5
Dec
19.0
Jan
15.5
Feb
10.8
Mar
3.2
Apr
1.4
May
0.2
Jun

How Mammoth Lakes Compares

Mammoth Lakes snowfall vs California and U.S. medians
MeasureMammoth LakesCalifornia medianU.S. median
Avg annual snowfall70.1 in100.9 in39.1 in
Avg first snowfallNov 22Nov 10Nov 16
Avg last snowfallApr 19Apr 27Apr 3
Snow season length149 days169 days139 days

Medians are taken across tracked cities with regular snowfall (3 in California, 201 nationally).

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.