| Chicago Weather Current Weather Notes Chicago is cold, very cold, and rainy as of late. Historical Averages
| Average High
| Average Low | Average Precipitation | January
| 32°F, 0°C | 18°F, -7°C | 1.87" | February | 36°F, 3°C | 22°F, -5°C | 1.55" |
March | 47°F, 9°C | 32°F, 0°C | 2.94" | April | 59°F, 16°C | 42°F, 6°C | 3.80" | May | 70°F, 22°C | 51°F, 11°C | 3.55" | June | 81°F, 28°C | 61°F, 17°C | 4.06" | July | 84°F, 30°C | 67°F, 20°C | 3.78" | August | 83°F, 29°C | 66°F, 19°C | 3.92" | September | 77°F, 25°C | 59°F, 15°C | 3.47" |
October | 65°F, 19°C | 48°F, 9°C | 2.42" | November | 50°F, 11°C | 37°F, 3°C | 3.09" | December | 37°F, 3°C | 24°F, -4°C | 2.77" |
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