Climate almanac

Mammoth Lakes

California, United States · 37.65°, -118.97°

+ Compare

What is the weather like in Mammoth Lakes in December?

In December, Mammoth Lakes is typically 37°F (3°C) during the day and 17°F (-9°C) at night. The month brings about 3.8 in (97 mm) of precipitation in total. Snowfall averages about 26 in (651 mm) over the month.

  • Average high37°F (3°C)
  • Average low17°F (-9°C)
  • Precipitation3.8 in (97 mm)
  • Clear or mostly clear days12
  • Snowfall26 in (651 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)