Best Time to Visit Chicago
United States · 30-year monthly climate averages
☀️ When to go
Based on 30 years of climate data, the most comfortable months to visit Chicago are May, June and September, when daytime temperatures are agreeable and rainfall is relatively low.
Climate profile
Chicago sees its warmest weather in July, when daytime highs average around 29°C, and its coolest in January (around 0°C).
Annual precipitation totals roughly 875mm — May is typically the wettest month (~104mm) and February the driest (~37mm).
Year at a glance
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
🔥 Recent heat vs normal
Daily forecast highs vs the 30-year normal — last 37 days
7/ 37
days ≥2°C above normal
35°C
highest recorded · July 27
-0.9°C
avg anomaly · vs 30-year normal
Each bar is one day: orange above normal, blue below.
Month by month
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 0° / -7°C | 38mm | 🤔 Fair |
| February | 3° / -5°C | 37mm | 🤔 Fair |
| March | 9° / 0°C | 48mm | 🤔 Fair |
| April | 16° / 5°C | 91mm | 👍 Good |
| May | 22° / 11°C | 104mm | 🌟 Great |
| June | 27° / 17°C | 102mm | 👍 Good |
| July | 29° / 20°C | 90mm | 👍 Good |
| August | 28° / 19°C | 101mm | 👍 Good |
| September | 25° / 15°C | 70mm | 🌟 Great |
| October | 18° / 8°C | 88mm | 👍 Good |
| November | 10° / 2°C | 60mm | 🤔 Fair |
| December | 3° / -4°C | 46mm | 🤔 Fair |
FAQ
- What is the best time to visit Chicago?
- Based on 30 years of climate data, the most comfortable months to visit Chicago are May, June and September, when daytime temperatures are agreeable and rainfall is relatively low.
- What is the hottest month in Chicago?
- July is typically the hottest month in Chicago, with average daytime highs around 29°C.
- What is the rainiest month in Chicago?
- May is usually the wettest month, with around 104mm of precipitation.