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Weather & Climate
Chicago Loop, Illinois, United States
Overview
Climate data and monthly weather averages for Chicago Loop.
Key Metrics
Annual Avg
9.8°C
Summer Avg
21.1°C
Winter Avg
-1.4°C
Record High
34.7°C
Record Low
-24.8°C
Annual Precipitation
981.4 mm
Avg Humidity
81%
Summer Humidity
79%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.8° | -2.5° | -24.8° | 47.7 | 86% | 51 | 65.9 |
| Feb | 13.9° | -2.3° | -19.4° | 53.2 | 84% | 70 | 72.7 |
| Mar | 20.9° | 2° | -17.3° | 62 | 82% | 111 | 68.9 |
| Apr | 22.9° | 6.9° | -4.4° | 94.5 | 81% | 141 | 59.5 |
| May | 29° | 11.8° | 0.8° | 117.5 | 83% | 167 | 62.3 |
| Jun | 30.7° | 18.1° | 3.7° | 102.3 | 81% | 183 | 48.6 |
| Jul | 34.7° | 22.5° | 12.2° | 95.2 | 78% | 191 | 39.6 |
| Aug | 32.4° | 22.6° | 13° | 105.4 | 77% | 166 | 52.3 |
| Sep | 30.7° | 19.1° | 8° | 85.8 | 76% | 132 | 55 |
| Oct | 26.2° | 12.3° | 0.1° | 98.6 | 77% | 91 | 61.7 |
| Nov | 19.8° | 6° | -8.1° | 60.9 | 80% | 58 | 63.9 |
| Dec | 16.4° | 0.5° | -18.6° | 58.3 | 85% | 44 | 69.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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