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

In December, Chicago averages 4°C high / -3°C low with about 48 mm of rain; Pittsburgh averages 6°C high / -2°C low with about 79 mm.

Chicago vs Pittsburgh in December

Chicago and Pittsburgh are nearly tied in December — 46 vs 49 on SeasonMap's comfort score. Chicago is cold, a little rain, clean air; Pittsburgh is cold, a little rain, clean air.

Chicago vs Pittsburgh — December climate, side by side

	Chicago	Pittsburgh
Comfort score	46/100 (F)	49/100 (F)
Feels-like high	0°C	2°C
Avg high / low	4° / -3°	6° / -2°
Rainfall	48 mm	79 mm
Rainy days	6	10
Humidity	73%	74%
Air quality (AQI)	37	39

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

Chicago vs Pittsburgh in December — FAQ

Is December better in Chicago or Pittsburgh?: Chicago and Pittsburgh are nearly tied in December — 46 vs 49 on SeasonMap's comfort score. Chicago is cold, a little rain, clean air; Pittsburgh is cold, a little rain, clean air.
What is the weather like in Chicago vs Pittsburgh in December?: In December, Chicago averages 4°C high / -3°C low with about 48 mm of rain; Pittsburgh averages 6°C high / -2°C low with about 79 mm.