What is the weather like in Chicago vs Napa in January?

In January, Chicago averages 1°C high / -6°C low with about 44 mm of rain; Napa averages 16°C high / 5°C low with about 158 mm.

Chicago vs Napa in January

Napa is the better pick in January — 64 vs 40 on SeasonMap's comfort score. Napa is cool, soaked, clean air, while Chicago is freezing, a little rain, clean air.

Chicago vs Napa — January climate, side by side

	Chicago	Napa
Comfort score	40/100 (F)	64/100 (C)
Feels-like high	-4°C	14°C
Avg high / low	1° / -6°	16° / 5°
Rainfall	44 mm	158 mm
Rainy days	6	11
Humidity	74%	80%
Air quality (AQI)	43	32

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

Chicago vs Napa in January — FAQ

Is January better in Chicago or Napa?: Napa is the better pick in January — 64 vs 40 on SeasonMap's comfort score. Napa is cool, soaked, clean air, while Chicago is freezing, a little rain, clean air.
What is the weather like in Chicago vs Napa in January?: In January, Chicago averages 1°C high / -6°C low with about 44 mm of rain; Napa averages 16°C high / 5°C low with about 158 mm.