What is the weather like in Napa vs Santa Barbara in December?

In December, Napa averages 15°C high / 5°C low with about 136 mm of rain; Santa Barbara averages 18°C high / 9°C low with about 100 mm.

Napa vs Santa Barbara in December

Santa Barbara is the better pick in December — 67 vs 63 on SeasonMap's comfort score. Santa Barbara is nice, rainy, clean air, while Napa is cool, rainy, clean air.

Napa vs Santa Barbara — December climate, side by side

	🇺🇸 Napa	🇺🇸 Santa Barbara
Comfort score	63/100 (C)	67/100 (C)
Feels-like high	13°C	16°C
Avg high / low	15° / 5°	18° / 9°
Rainfall	136 mm	100 mm
Rainy days	10	5
Humidity	79%	61%
Air quality (AQI)	35	30

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

Month by month

Napa vs Santa Barbara in December — FAQ

Is December better in Napa or Santa Barbara?: Santa Barbara is the better pick in December — 67 vs 63 on SeasonMap's comfort score. Santa Barbara is nice, rainy, clean air, while Napa is cool, rainy, clean air.
What is the weather like in Napa vs Santa Barbara in December?: In December, Napa averages 15°C high / 5°C low with about 136 mm of rain; Santa Barbara averages 18°C high / 9°C low with about 100 mm.