What is the weather like in Boston vs Washington in December?

In December, Boston averages 6°C high / -2°C low with about 109 mm of rain; Washington averages 9°C high / -1°C low with about 106 mm.

Boston vs Washington in December

Washington is the better pick in December — 58 vs 46 on SeasonMap's comfort score. Washington is cold, rainy, clean air, while Boston is cold, rainy, clean air.

Boston vs Washington — December climate, side by side

	Boston	Washington
Comfort score	46/100 (F)	58/100 (D)
Feels-like high	1°C	6°C
Avg high / low	6° / -2°	9° / -1°
Rainfall	109 mm	106 mm
Rainy days	9	8
Humidity	72%	71%
Air quality (AQI)	40	46

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

Boston vs Washington in December — FAQ

Is December better in Boston or Washington?: Washington is the better pick in December — 58 vs 46 on SeasonMap's comfort score. Washington is cold, rainy, clean air, while Boston is cold, rainy, clean air.
What is the weather like in Boston vs Washington in December?: In December, Boston averages 6°C high / -2°C low with about 109 mm of rain; Washington averages 9°C high / -1°C low with about 106 mm.