Snow history
Mammoth Mountain Snow History
Mammoth Mountain averages 276.5″ of snow per season over 10 seasons (2016–17 to 2025–26). The snowiest was 2022–23 with 547″.
Average annual snowfall and season totals, 2016–17 to 2025–26.
Mammoth Mountain season snowfall totals by year
| Season | Total snowfall | vs average |
|---|---|---|
| 2025–26 | 203.2″ | 73% |
| 2024–25 | 206.5″ | 75% |
| 2023–24 | 216.1″ | 78% |
| 2022–23 · snowiest | 547″ | 198% |
| 2021–22 | 215″ | 78% |
| 2020–21 | 149.3″ | 54% |
| 2019–20 | 158.1″ | 57% |
| 2018–19 | 374.3″ | 135% |
| 2017–18 | 224.9″ | 81% |
| 2016–17 | 470.8″ | 170% |
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Average snowfall by month at Mammoth Mountain
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 5.2″ | 24.3″ | 47″ | 57″ | 58.2″ | 55.9″ | 19.5″ | 8.2″ |
Mean per month over 10 seasons; June–September average less than an inch and are omitted.
How Mammoth Mountain compares
Mammoth Mountain's 276.5″ average is above the 194.1″ average for other California resorts with history on this site (5 resorts). See the California snow report for current conditions across the state.
Where this history comes from
Season totals are built from the Open-Meteo historical weather archive at Mammoth Mountain's summit grid point (37.631, -119.033, ~11,053 ft), summed October 1 to September 30. They are modeled, not resort-reported, so they are consistent across resorts but can differ from a resort's own stake readings. Current-season numbers on the Mammoth Mountain snow report use observed station data where a SNOTEL or ACIS station is linked.
Common questions
- How much snow does Mammoth Mountain get in a year?
- About 276.5″ per season on average (median 215.6″) across 10 completed seasons.
- What is the snowiest month at Mammoth Mountain?
- Feb, averaging 58.2″.
- What was Mammoth Mountain's biggest snow year?
- 2022–23, with 547″ for the season.
- Are these the resort's official snowfall numbers?
- No. Totals are modeled from the Open-Meteo historical archive at the resort's summit grid point, so they are comparable across resorts but can differ from marketing figures and summit stake readings.