Best Time to Visit Chicago
✨ Best Months to Visit
Experience Chicago's vibrant energy and pleasant weather from May to September for the best outdoor adventures.
🌤️
September
24°C · 83mm rain
🌤️
May
19.4°C · 91mm rain
🌤️
June
26.5°C · 102mm rain
Average Monthly Temperature
Click a month below to see its details.
🌤️
September
RecommendedHigh 24°C · Low 16°C · 83mm rain · 10h sun/day
-0.1°C
Jan
2.3°C
Feb
9.2°C
Mar
14.1°C
Apr
19.4°C
May
26.5°C
Jun
27.2°C
Jul
26.8°C
Aug
24°C
Sep
17.6°C
Oct
9.5°C
Nov
3.9°C
Dec
Month-by-Month Climate
Full breakdown for every month.
❄️
Cold
January
High -0.1°C / Low -7.2°C
68mm rain
5h sun/day
❄️
Cold
February
High 2.3°C / Low -6.4°C
51mm rain
7.3h sun/day
❄️
Cold
March
High 9.2°C / Low 0.3°C
98mm rain
8.1h sun/day
🌤️
Mild & Sunny
April
High 14.1°C / Low 4.7°C
82mm rain
8.8h sun/day
🌤️
Mild & Sunny
May ★
High 19.4°C / Low 10.3°C
91mm rain
10.2h sun/day
🌤️
Mild & Sunny
June ★
High 26.5°C / Low 16.9°C
102mm rain
11.8h sun/day
🌧️
Rainy
July
High 27.2°C / Low 19.1°C
164mm rain
11.4h sun/day
🌤️
Mild & Sunny
August
High 26.8°C / Low 19°C
102mm rain
11.7h sun/day
🌤️
Mild & Sunny
September ★
High 24°C / Low 16°C
83mm rain
10h sun/day
🌤️
Mild & Sunny
October
High 17.6°C / Low 9.7°C
111mm rain
8h sun/day
❄️
Cold
November
High 9.5°C / Low 2.1°C
55mm rain
6.1h sun/day
❄️
Cold
December
High 3.9°C / Low -3.1°C
67mm rain
4.4h sun/day
Climate data: 5-year average (2021-2025), via Open-Meteo.