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

In January, Boston averages 3°C high / -5°C low with about 95 mm of rain; Philadelphia averages 6°C high / -1°C low with about 82 mm.

Boston vs Philadelphia in January

Philadelphia is the better pick in January — 53 vs 41 on SeasonMap's comfort score. Philadelphia is cold, rainy, clean air, while Boston is freezing, rainy, clean air.

Boston vs Philadelphia — January climate, side by side

	Boston	Philadelphia
Comfort score	41/100 (F)	53/100 (D)
Feels-like high	-1°C	2°C
Avg high / low	3° / -5°	6° / -1°
Rainfall	95 mm	82 mm
Rainy days	9	9
Humidity	68%	66%
Air quality (AQI)	41	45

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

Boston vs Philadelphia in January — FAQ

Is January better in Boston or Philadelphia?: Philadelphia is the better pick in January — 53 vs 41 on SeasonMap's comfort score. Philadelphia is cold, rainy, clean air, while Boston is freezing, rainy, clean air.
What is the weather like in Boston vs Philadelphia in January?: In January, Boston averages 3°C high / -5°C low with about 95 mm of rain; Philadelphia averages 6°C high / -1°C low with about 82 mm.