What is the weather like in Napa vs Philadelphia in January?

In January, Napa averages 16°C high / 5°C low with about 158 mm of rain; Philadelphia averages 6°C high / -1°C low with about 82 mm.

Napa vs Philadelphia in January

Napa is the better pick in January — 64 vs 53 on SeasonMap's comfort score. Napa is cool, soaked, clean air, while Philadelphia is cold, rainy, clean air.

Napa vs Philadelphia — January climate, side by side

	Napa	Philadelphia
Comfort score	64/100 (C)	53/100 (D)
Feels-like high	14°C	2°C
Avg high / low	16° / 5°	6° / -1°
Rainfall	158 mm	82 mm
Rainy days	11	9
Humidity	80%	66%
Air quality (AQI)	32	45

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

Napa vs Philadelphia in January — FAQ

Is January better in Napa or Philadelphia?: Napa is the better pick in January — 64 vs 53 on SeasonMap's comfort score. Napa is cool, soaked, clean air, while Philadelphia is cold, rainy, clean air.
What is the weather like in Napa vs Philadelphia in January?: In January, Napa averages 16°C high / 5°C low with about 158 mm of rain; Philadelphia averages 6°C high / -1°C low with about 82 mm.