What is the weather like in Philadelphia vs San Francisco in January?

In January, Philadelphia averages 6°C high / -1°C low with about 82 mm of rain; San Francisco averages 15°C high / 9°C low with about 123 mm.

Philadelphia vs San Francisco in January

San Francisco is the better pick in January — 68 vs 53 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Philadelphia is cold, rainy, clean air.

Philadelphia vs San Francisco — January climate, side by side

	Philadelphia	San Francisco
Comfort score	53/100 (D)	68/100 (C)
Feels-like high	2°C	13°C
Avg high / low	6° / -1°	15° / 9°
Rainfall	82 mm	123 mm
Rainy days	9	10
Humidity	66%	83%
Air quality (AQI)	45	45

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

Philadelphia vs San Francisco in January — FAQ

Is January better in Philadelphia or San Francisco?: San Francisco is the better pick in January — 68 vs 53 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Philadelphia is cold, rainy, clean air.
What is the weather like in Philadelphia vs San Francisco in January?: In January, Philadelphia averages 6°C high / -1°C low with about 82 mm of rain; San Francisco averages 15°C high / 9°C low with about 123 mm.