What is the weather like in Big Sur vs Napa in December?

In December, Big Sur averages 18°C high / 7°C low with about 117 mm of rain; Napa averages 15°C high / 5°C low with about 136 mm.

Big Sur vs Napa in December

Napa is the better pick in December — 63 vs 59 on SeasonMap's comfort score. Napa is cool, rainy, clean air, while Big Sur is nice, rainy, clean air.

Big Sur vs Napa — December climate, side by side

	🇺🇸 Big Sur	🇺🇸 Napa
Comfort score	59/100 (D)	63/100 (C)
Feels-like high	16°C	13°C
Avg high / low	18° / 7°	15° / 5°
Rainfall	117 mm	136 mm
Rainy days	9	10
Humidity	76%	79%
Air quality (AQI)	34	35

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

Month by month

Big Sur 🇺🇸 United Statesnice, rainy, clean air · best August59
Napa 🇺🇸 United Statescool, rainy, clean air · best May63

Big Sur vs Napa in December — FAQ

Is December better in Big Sur or Napa?: Napa is the better pick in December — 63 vs 59 on SeasonMap's comfort score. Napa is cool, rainy, clean air, while Big Sur is nice, rainy, clean air.
What is the weather like in Big Sur vs Napa in December?: In December, Big Sur averages 18°C high / 7°C low with about 117 mm of rain; Napa averages 15°C high / 5°C low with about 136 mm.