Chicago, Illinois Weather in January

United States · January climate averages and travel tips

Avg high0°C (32°F)
Avg low-5°C (23°F)
Rainfall53 mm (2.1 in)
RatingPoor 2.4/10

In January, Chicago has average highs of 0°C (32°F) and lows of -5°C (23°F). January is winter in United States. The month is fairly dry, with about 53 mm (2.1 in) of rain spread over 9 days, one of the driest months of the year. You get roughly 9.3 hours of daylight and frequently cloudy skies.

Is January a good time to visit Chicago?

January is not the best time to visit Chicago (2.4/10) mainly because of the cold. The weather is much better in September.

January weather at a glance

Average high0°C (32°F)
Average low-5°C (23°F)
Daily mean-2°C (28°F)
Rainfall53 mm (2.1 in)
Rainy days (1 mm+)9
Humidity86%
Cloud cover72%
Daylight9.3 hours
Est. sunshine2.9 hours/day
Wind20.4 km/h
vs December3°C cooler than December, with similar rainfall.

What to pack for Chicago in January

Chicago weather in other months

Jan0°C / -5°C53 mmPoorFeb0°C / -5°C56 mmPoorMar5°C / 0°C66 mmFairApr10°C / 4°C93 mmFairMay16°C / 9°C105 mmGoodJun22°C / 16°C105 mmGoodJul25°C / 20°C101 mmGoodAug25°C / 20°C98 mmGoodSep22°C / 17°C86 mmExcellentOct16°C / 10°C99 mmGoodNov9°C / 4°C53 mmFairDec3°C / -2°C62 mmPoor

← DecemberBest time to visit ChicagoFebruary →

Better weather in January nearby

Nearby in January

Where else is good in January? See where to go in January.