What is the weather like in Mammoth Lakes vs San Francisco in December?

In December, Mammoth Lakes averages 6°C high / -9°C low with about 96 mm of rain; San Francisco averages 15°C high / 9°C low with about 121 mm.

Mammoth Lakes vs San Francisco in December

Mammoth Lakes is the better pick in December — 82 vs 67 on SeasonMap's comfort score. Mammoth Lakes is cold, rainy, clean air, while San Francisco is cool, rainy, clean air.

Mammoth Lakes vs San Francisco — December climate, side by side

	🇺🇸 Mammoth Lakes	🇺🇸 San Francisco
Comfort score	82/100 (A)	67/100 (C)
Feels-like high	2°C	13°C
Avg high / low	6° / -9°	15° / 9°
Rainfall	96 mm	121 mm
Rainy days	8	9
Humidity	65%	82%
Air quality (AQI)	39	50

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Mammoth Lakes vs San Francisco in December — FAQ

Is December better in Mammoth Lakes or San Francisco?: Mammoth Lakes is the better pick in December — 82 vs 67 on SeasonMap's comfort score. Mammoth Lakes is cold, rainy, clean air, while San Francisco is cool, rainy, clean air.
What is the weather like in Mammoth Lakes vs San Francisco in December?: In December, Mammoth Lakes averages 6°C high / -9°C low with about 96 mm of rain; San Francisco averages 15°C high / 9°C low with about 121 mm.