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

In December, Boston averages 6°C high / -2°C low with about 109 mm of rain; Chicago averages 4°C high / -3°C low with about 48 mm.

Boston vs Chicago in December

Boston and Chicago are nearly tied in December — 46 vs 46 on SeasonMap's comfort score. Boston is cold, rainy, clean air; Chicago is cold, a little rain, clean air.

Boston vs Chicago — December climate, side by side

	Boston	Chicago
Comfort score	46/100 (F)	46/100 (F)
Feels-like high	1°C	0°C
Avg high / low	6° / -2°	4° / -3°
Rainfall	109 mm	48 mm
Rainy days	9	6
Humidity	72%	73%
Air quality (AQI)	40	37

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

Boston vs Chicago in December — FAQ

Is December better in Boston or Chicago?: Boston and Chicago are nearly tied in December — 46 vs 46 on SeasonMap's comfort score. Boston is cold, rainy, clean air; Chicago is cold, a little rain, clean air.
What is the weather like in Boston vs Chicago in December?: In December, Boston averages 6°C high / -2°C low with about 109 mm of rain; Chicago averages 4°C high / -3°C low with about 48 mm.