Best Time to Visit Chicago
Best time: Jul, Jun, May, Sep.
Jul is warmest (28.9°C high); Jun is rainiest (102 mm).
Chicago weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -0.8 | -9.3 | 46 | 2.4 |
| Feb | 2 | -6.6 | 40 | 3.9 |
| Mar | 7.6 | -1.6 | 68 | 5.6 |
| Apr | 14.4 | 3.6 | 96 | 7.2 |
| May | 21.1 | 9.2 | 93 | 8.6 |
| Jun | 26.6 | 14.6 | 102 | 9.6 |
| Jul | 28.9 | 17.7 | 95 | 9.5 |
| Aug | 27.7 | 17.1 | 102 | 8.3 |
| Sep | 23.9 | 12.8 | 91 | 6.8 |
| Oct | 17.2 | 6.3 | 70 | 4.5 |
| Nov | 8.9 | 0.4 | 80 | 2.6 |
| Dec | 1.9 | -5.8 | 65 | 2 |
Average high temperature
Best months by activity
Overall: JulJunMaySep
Beaches: JulAug
Hiking: OctMaySepJun
Sightseeing: JulMayJunSep
Chicago quick facts
- Timezone
- America/Chicago
- Currency
- Dollar (USD)
- Language
- English
- Plug / voltage
- A & B · 120 V
- Dialing code
- +1
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Wet months (Apr, May, Jun, Jul, Aug, Sep): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Chicago?
Jul, Jun, May, Sep.
What is the rainiest month?
Jun, about 102 mm.
What is the warmest month?
Jul, with average highs of 28.9°C.
Where to stay
See Chicago hotels · Book Chicago tours & activities
All destinations · Best time to visit New York · Best time to visit Los Angeles · Best time to visit Miami · Best time to visit San Francisco
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.