🇺🇸 Boston vs Chicago 🇺🇸
Boston, United States vs Chicago, United States — a side-by-side climate comparison to help you pick. Boston is the warmer of the two — about 1 degree warmer on average across the year. Boston is drier, with roughly 70 fewer rainy days a year.
Climate at a glance
| 🇺🇸 Boston | 🇺🇸 Chicago | |
|---|---|---|
| Avg annual high | 15°C | 14°C |
| Hottest month | July (28°C) | July (26°C) |
| Coldest month | January (-6°C low) | February (-7°C low) |
| Rainy days / year | 124 | 194 |
| Snow | Yes | Rare |
| Best months to visit | May, June, September | May, June, September |
🇺🇸 Boston
Best around May, June, September. Hottest in July (28°C), coldest lows in January (-6°C).
🇺🇸 Chicago
Best around May, June, September. Hottest in July (26°C), coldest lows in February (-7°C).
Frequently asked questions
Is Boston or Chicago warmer?
Boston is warmer overall, averaging about 1 degree higher across the year.
Which is rainier, Boston or Chicago?
Chicago is rainier — Boston sees about 70 fewer rainy days per year.
When is the best time to visit Boston vs Chicago?
Boston is best around May, June, September; Chicago is best around May, June, September.