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Travel Info

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Chicago Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Chicago year round climate

  • Spring (March–May): Average 41–65°F, the climate transitions from cold to warm, with more rainfall, but occasional warm sunshine. Common activities: Visiting museums, art galleries, and strolling through Millennium Park. Recommended clothing: Jacket, comfortable shoes, layers for temperature regulation.
  • Summer (June–August): Average 74–76°F, the climate is hot and humid, with significant rainfall, especially in July. Common activities: Swimming and boating on the lake, exploring Chicago's parks and neighborhoods, attending outdoor concerts. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 57–70°F, the climate is cool and comfortable, with decreased rainfall. Colorful autumn leaves are a feature of Chicago's autumn. Common activities: Viewing autumn leaves, touring Chicago's historic neighborhoods, enjoying autumnal cuisine. Recommended clothing: Light jacket, comfortable shoes.
  • Winter (December–February): Average -36–34°F, the climate is cold, with alternating snowfall and rainfall. Common activities: Visiting indoor museums and art galleries, ice skating, enjoying cozy indoor activities. Recommended clothing: Heavy warm coat, scarf, hat, gloves, thermal underwear.

Chicago climatological average

Annual average temperature: approx. 54.7°F / Annual rainfall: approx. 1003 mm / Summer humidity: 60%–80% / Rainiest month: July

Chicago monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
27.9°F
56.2
February
34.7°F
75.1
March
41.9°F
100.1
April
52.2°F
85.5
May
65.1°F
79
June
74.1°F
65.8
July
76.5°F
211.6
August
75.6°F
89.8
September
70.2°F
65.6
October
57.9°F
59
November
45.1°F
46.1
December
34.9°F
69.4

Chicago weather for the next seven days

2/4
Wednesday
Light freezing rain
27.3°F/14°F
2/5
Thursday
Overcast
29.8°F/16.3°F
2/6
Friday
Overcast
36.7°F/18°F
2/7
Saturday
Sunny
28.2°F/12.2°F
2/8
Sunday
Cloudy
32.1°F/19.9°F
2/9
Monday
Sunny
42.7°F/25.6°F
2/10
Tuesday
Partly Cloudy
37.5°F/32.4°F