What is the weather like in Big Sur vs Half Moon Bay in December?

In December, Big Sur averages 18°C high / 7°C low with about 117 mm of rain; Half Moon Bay averages 14°C high / 7°C low with about 186 mm.

Big Sur vs Half Moon Bay in December

Big Sur is the better pick in December — 59 vs 50 on SeasonMap's comfort score. Big Sur is nice, rainy, clean air, while Half Moon Bay is cool, soaked, muggy air.

Big Sur vs Half Moon Bay — December climate, side by side

	🇺🇸 Big Sur	🇺🇸 Half Moon Bay
Comfort score	59/100 (D)	50/100 (D)
Feels-like high	16°C	14°C
Avg high / low	18° / 7°	14° / 7°
Rainfall	117 mm	186 mm
Rainy days	9	13
Humidity	76%	85%
Air quality (AQI)	34	57

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

Month by month

Big Sur vs Half Moon Bay in December — FAQ

Is December better in Big Sur or Half Moon Bay?: Big Sur is the better pick in December — 59 vs 50 on SeasonMap's comfort score. Big Sur is nice, rainy, clean air, while Half Moon Bay is cool, soaked, muggy air.
What is the weather like in Big Sur vs Half Moon Bay in December?: In December, Big Sur averages 18°C high / 7°C low with about 117 mm of rain; Half Moon Bay averages 14°C high / 7°C low with about 186 mm.