What is the weather like in Chicago vs San Antonio in January?

In January, Chicago averages 1°C high / -6°C low with about 44 mm of rain; San Antonio averages 18°C high / 5°C low with about 49 mm.

Chicago vs San Antonio in January

San Antonio is the better pick in January — 76 vs 40 on SeasonMap's comfort score. San Antonio is nice, a little rain, clean air, while Chicago is freezing, a little rain, clean air.

Chicago vs San Antonio — January climate, side by side

	Chicago	San Antonio
Comfort score	40/100 (F)	76/100 (B)
Feels-like high	-4°C	16°C
Avg high / low	1° / -6°	18° / 5°
Rainfall	44 mm	49 mm
Rainy days	6	6
Humidity	74%	65%
Air quality (AQI)	43	32

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

Chicago vs San Antonio in January — FAQ

Is January better in Chicago or San Antonio?: San Antonio is the better pick in January — 76 vs 40 on SeasonMap's comfort score. San Antonio is nice, a little rain, clean air, while Chicago is freezing, a little rain, clean air.
What is the weather like in Chicago vs San Antonio in January?: In January, Chicago averages 1°C high / -6°C low with about 44 mm of rain; San Antonio averages 18°C high / 5°C low with about 49 mm.