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Chicago Weather and climate

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
10/27
Monday
Sunny
56.1°F/46.4°F
10/28
Tuesday
Cloudy
55.6°F/47.5°F
10/29
Wednesday
Overcast
53.1°F/48°F
10/30
Thursday
Overcast
54.2°F/45.3°F
10/31
Friday
Patchy rain nearby
57.6°F/46.5°F
11/1
Saturday
Patchy rain nearby
50.9°F/42.6°F
11/2
Sunday
Patchy rain nearby
56.5°F/46.3°F

Chicago FAQ

Is Chicago worth visiting as a tourist?
Chicago offers a fantastic blend of big-city excitement with a friendly, accessible feel. Its diverse neighborhoods provide endless exploration opportunities, making it a highly rewarding destination for tourists.
What is the best month to visit Chicago?
The ideal months to visit Chicago are typically during spring (May to early June) and fall (September to October) for pleasant weather and fewer crowds. Summer (June to August) is perfect for outdoor activities and a lively atmosphere, though it's the busiest and most expensive period.
What is the #1 tourist attraction in Chicago?
Navy Pier is consistently one of Chicago's top attractions, drawing millions of visitors annually with its retail, restaurants, museums, exhibition halls, and the iconic Centennial Wheel.
What should you not miss when visiting Chicago?
Don't miss Millennium Park to see the 'Bean' sculpture and Crown Fountain, the Art Institute of Chicago, and a breathtaking architectural boat cruise. Indulge in deep-dish pizza and hot dogs, shop along the Magnificent Mile, and consider the Willis Tower Skydeck for panoramic views.
What are some must-see neighborhoods in Chicago for first-time visitors?
For first-time visitors to Chicago, starting with the Loop to experience the city's heart and the elegant Gold Coast neighborhood is highly recommended. These areas offer a great introduction to the city's iconic landmarks and vibrant atmosphere.