What is the weather like in Big Sur vs San Francisco in December?

In December, Big Sur averages 18°C high / 7°C low with about 117 mm of rain; San Francisco averages 15°C high / 9°C low with about 121 mm.

Big Sur vs San Francisco in December

San Francisco is the better pick in December — 67 vs 59 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Big Sur is nice, rainy, clean air.

Big Sur vs San Francisco — December climate, side by side

	🇺🇸 Big Sur	🇺🇸 San Francisco
Comfort score	59/100 (D)	67/100 (C)
Feels-like high	16°C	13°C
Avg high / low	18° / 7°	15° / 9°
Rainfall	117 mm	121 mm
Rainy days	9	9
Humidity	76%	82%
Air quality (AQI)	34	50

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

Month by month

Big Sur vs San Francisco in December — FAQ

Is December better in Big Sur or San Francisco?: San Francisco is the better pick in December — 67 vs 59 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Big Sur is nice, rainy, clean air.
What is the weather like in Big Sur vs San Francisco in December?: In December, Big Sur averages 18°C high / 7°C low with about 117 mm of rain; San Francisco averages 15°C high / 9°C low with about 121 mm.