Best time to ski Mammoth Mountain
For the best snow, ski Mammoth Mountain in March, January, and February. Those months bring 63% of a typical season's snowfall at the summit, based on 10 seasons of modeled weather data (2015–2025).
Mammoth Mountain snowfall by month
Share of a typical season's summit snowfall in each month.
Source: Open-Meteo historical weather (ERA5-based reanalysis), July 2015 to June 2025, at 11,053 ft. Weather models undercount total mountain snowfall, so this shows the seasonal pattern, not inch totals. For season totals, see Mammoth Mountain's website.
How to time your trip
- Deepest snow: March, January, and February get the most snowfall, which usually means the best coverage and the most powder days.
- Main season: months that bring at least 5% of the season's snow are Nov, Dec, Jan, Feb, Mar, Apr. Actual opening and closing dates are set by the resort.
- Book on the forecast: history tells you which months are reliable; the 7-day forecast tells you which week. Snow Way ranks every resort on it daily.
Mammoth Mountain season FAQ
What is the best time to ski Mammoth Mountain?
For the best snow, ski Mammoth Mountain in March, January, and February. Those months bring 63% of a typical season's snowfall at the summit, based on 10 seasons of modeled weather data (2015–2025).
What is the snowiest month at Mammoth Mountain?
March is typically the snowiest month at Mammoth Mountain, with about 22% of the season's snow.
Does Mammoth Mountain have good snow in December?
December brings about 17% of Mammoth Mountain's typical seasonal snowfall, a solid month though not the peak. Check the live forecast before booking.
Is Mammoth Mountain getting snow right now?
As of Thursday, November 5, 2026, Mammoth Mountain has no new snow in the forecast for the next 7 days. Right now at mid-mountain it's 28°F, clear sky, with 8 mph wind.