
Weather is changing constantly in Mammoth. Always be prepared
for all types of weather. Click here for the current weather forecast.
General Weather Information: In the summer, temperatures average 75-80 degrees for a high and seldom dip below 40 for a low. Winter temperatures range from 10-40 degrees with mostly sunny skies. Based on figures compiled for more than 20 years, snowfall at Mammoth Mountain Ski Area averages 335 inches annually.
In spite of its marked change of seasons and prodigious snowfall, Mammoth's semi-arid mountain climate is unusually mild for an alpine region. The Mammoth Sierra fall is typified by a change of color in the deciduous flora, with the season's first breeze usually occurring by late September. Often, a lovely Indian Summer will follow, which may extend into the month of November.