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

In January, Pittsburgh averages 4°C high / -5°C low with about 88 mm of rain; San Francisco averages 15°C high / 9°C low with about 123 mm.

Pittsburgh vs San Francisco in January

San Francisco is the better pick in January — 68 vs 43 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Pittsburgh is freezing, rainy, clean air.

Pittsburgh vs San Francisco — January climate, side by side

	Pittsburgh	San Francisco
Comfort score	43/100 (F)	68/100 (C)
Feels-like high	-1°C	13°C
Avg high / low	4° / -5°	15° / 9°
Rainfall	88 mm	123 mm
Rainy days	12	10
Humidity	73%	83%
Air quality (AQI)	33	45

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

Pittsburgh vs San Francisco in January — FAQ

Is January better in Pittsburgh or San Francisco?: San Francisco is the better pick in January — 68 vs 43 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Pittsburgh is freezing, rainy, clean air.
What is the weather like in Pittsburgh vs San Francisco in January?: In January, Pittsburgh averages 4°C high / -5°C low with about 88 mm of rain; San Francisco averages 15°C high / 9°C low with about 123 mm.