What is the weather like in Napa vs Santa Cruz, California in December?

In December, Napa averages 15°C high / 5°C low with about 136 mm of rain; Santa Cruz, California averages 17°C high / 6°C low with about 176 mm.

Napa vs Santa Cruz, California in December

Napa is the better pick in December — 63 vs 56 on SeasonMap's comfort score. Napa is cool, rainy, clean air, while Santa Cruz, California is nice, soaked, clean air.

Napa vs Santa Cruz, California — December climate, side by side

	🇺🇸 Napa	🇺🇸 Santa Cruz, California
Comfort score	63/100 (C)	56/100 (D)
Feels-like high	13°C	16°C
Avg high / low	15° / 5°	17° / 6°
Rainfall	136 mm	176 mm
Rainy days	10	9
Humidity	79%	79%
Air quality (AQI)	35	37

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

Month by month

Napa vs Santa Cruz, California in December — FAQ

Is December better in Napa or Santa Cruz, California?: Napa is the better pick in December — 63 vs 56 on SeasonMap's comfort score. Napa is cool, rainy, clean air, while Santa Cruz, California is nice, soaked, clean air.
What is the weather like in Napa vs Santa Cruz, California in December?: In December, Napa averages 15°C high / 5°C low with about 136 mm of rain; Santa Cruz, California averages 17°C high / 6°C low with about 176 mm.