🇺🇸 Chicago vs Key West 🇺🇸

Chicago, United States vs Key West, United States — a side-by-side climate comparison to help you pick. Key West is the warmer of the two — about 12 degrees warmer on average across the year. Chicago is drier, with roughly 38 fewer rainy days a year.

Climate at a glance

🇺🇸 Chicago🇺🇸 Key West
Avg annual high14°C26°C
Hottest monthJuly (26°C)August (30°C)
Coldest monthFebruary (-7°C low)January (20°C low)
Rainy days / year194232
SnowRareRare
Best months to visitMay, June, SeptemberJanuary, February, December

🇺🇸 Chicago

Best around May, June, September. Hottest in July (26°C), coldest lows in February (-7°C).

🇺🇸 Key West

Best around January, February, December. Hottest in August (30°C), coldest lows in January (20°C).

Frequently asked questions

Is Chicago or Key West warmer?

Key West is warmer overall, averaging about 12 degrees higher across the year.

Which is rainier, Chicago or Key West?

Key West is rainier — Chicago sees about 38 fewer rainy days per year.

When is the best time to visit Chicago vs Key West?

Chicago is best around May, June, September; Key West is best around January, February, December.

Not sure? Find your ideal destination by climate →