🇺🇸 Chicago vs Portland 🇺🇸
Chicago, United States vs Portland, United States — a side-by-side climate comparison to help you pick. Portland is the warmer of the two — about 3 degrees warmer on average across the year. Portland is drier, with roughly 4 fewer rainy days a year.
Climate at a glance
| 🇺🇸 Chicago | 🇺🇸 Portland | |
|---|---|---|
| Avg annual high | 14°C | 17°C |
| Hottest month | July (26°C) | August (29°C) |
| Coldest month | February (-7°C low) | February (2°C low) |
| Rainy days / year | 194 | 190 |
| Snow | Rare | Rare |
| Best months to visit | May, June, September | May, June, September |
🇺🇸 Chicago
Best around May, June, September. Hottest in July (26°C), coldest lows in February (-7°C).
🇺🇸 Portland
Best around May, June, September. Hottest in August (29°C), coldest lows in February (2°C).
Frequently asked questions
Is Chicago or Portland warmer?
Portland is warmer overall, averaging about 3 degrees higher across the year.
Which is rainier, Chicago or Portland?
Chicago is rainier — Portland sees about 4 fewer rainy days per year.
When is the best time to visit Chicago vs Portland?
Chicago is best around May, June, September; Portland is best around May, June, September.