Climate guide for Chicago, United States

Chicago in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · United States

Best time to visit Chicago in December Weather, crowds & prices

Weather in Chicago in December

Average temperature 2°C, 55 mm of rain, about 0 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

4.4/10

Ranked #11 of 12 months

Full year for Chicago
Avg temp
2°C
Rainfall
55 mm
Humidity
83%
Days with 6h+ sun
0
Crowd Density
Quiet / Uncrowded
Average Expenses
$$ · Moderate Cost ($$)

December in Chicago scores 4.4/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 2°C, 55 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.

Lakefront architecture, deep-dish nights, and museum campuses peak May through September.

December in Chicago — the hardest end of the year

December averages 2°C (35°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 55 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 9 hours of daylight.

It scores 4.4/10 here, 11th of 12 months, against 8.7/10 in the destination's best month.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.

Plan for mid-season pricing, with crowds are light for this destination.

Flexible dates? June scores 4.3 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Chicago in December?
In December, Chicago averages 2°C, 55 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.4/10.
Is December a good time to visit Chicago?
December earns a 4.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Chicago in December?
Expect about 55 mm of rain in December. Average humidity is 83% and there are about 0 days with 6+ hours of sunshine.

Curated in Chicago

Tickets & experiences

Things to do in Chicago

Chicago, United States. Live activities and tours from GetYourGuide, matched to this destination.