USA
Chicago Climate & Weather Guide
Average temperatures, rainfall and conditions through the year, based on 20 years of historical data.
Climate Overview
Chicago experiences its warmest weather in July, with average highs reaching 26.8°C (80.2°F). The coolest month is typically January, averaging -0.5°C (31.1°F). Rainfall is heaviest in July (around 113mm), while November tends to be the driest month of the year with approximately 57.1mm of precipitation.
26.8°C (80.2°F)
Hottest month avg high
-0.5°C (31.1°F)
Coolest month avg high
113mm
Wettest month avg
57mm
Driest month avg
Temperature by Month
Rainfall by Month
Sunshine Hours
Monthly Averages
| Month | Avg High | Avg Low | Rainfall | Rainy Days | Sunshine |
|---|---|---|---|---|---|
| Jan | -0.5°C (31.1°F) | -7°C (19.4°F) | 59.8mm | 9 | 5.5h |
| Feb | 0.3°C (32.5°F) | -7.2°C (19°F) | 59.5mm | 8 | 7h |
| Mar | 6.1°C (43°F) | -1.1°C (30°F) | 77.5mm | 10 | 8.3h |
| Apr | 11.8°C (53.2°F) | 4.3°C (39.7°F) | 104.2mm | 13 | 9.1h |
| May | 18.2°C (64.8°F) | 10.7°C (51.3°F) | 109.8mm | 12 | 10.5h |
| Jun | 24.5°C (76.1°F) | 17°C (62.6°F) | 106.7mm | 12 | 11.8h |
What to Pack
Suggested packing for Chicago's climate.
Versatile Layers
Light layers that work for both mild afternoons and cooler evenings.
Rain Protection
A compact umbrella and a light rain jacket for the wettest months.
Warm Layers
A warm jacket or fleece for chilly mornings and evenings.
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