Best time to visit Chicago, United States
Based on 2020–2024 of daily weather data, the best months to visit Chicago are June, September, August — when temperatures are comfortable, rainfall is low, and sunshine is plentiful.
Months ranked by travel comfort
| Rank | Month | High | Low | Precip | Rainy days | Sun | Score |
|---|---|---|---|---|---|---|---|
| 1 ★ | June | 26.2° | 16.9° | 488 mm | 74 | 11.8 h | 82 |
| 2 ★ | September | 23.8° | 15.8° | 491.2 mm | 71 | 9.6 h | 82 |
| 3 ★ | August | 27.1° | 19.1° | 517.3 mm | 90 | 11.6 h | 81 |
| 4 | May | 19.3° | 10.4° | 533.6 mm | 84 | 10.2 h | 78 |
| 5 | July | 27.1° | 19.2° | 862.6 mm | 95 | 11.7 h | 71 |
| 6 | October | 17° | 9° | 575.2 mm | 83 | 7.8 h | 68 |
| 7 | April | 13.5° | 4.4° | 479.2 mm | 88 | 8.8 h | 64 |
| 8 | November | 10.1° | 2.5° | 244.8 mm | 57 | 6.4 h | 61 |
| 9 | March | 8.7° | 0.2° | 477.2 mm | 83 | 7.6 h | 51 |
| 10 | February | 2.5° | -6.2° | 273.7 mm | 64 | 7.2 h | 43 |
| 11 | December | 4.4° | -2.2° | 310.2 mm | 72 | 4.7 h | 43 |
| 12 | January | 0.7° | -5.9° | 373.2 mm | 88 | 4.4 h | 32 |
Score (0–100) blends ideal-temperature comfort (50%), low-rainfall (30%), and sunshine (20%). Higher is better for a typical sightseeing trip.
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