🇺🇸 Portland vs Seattle 🇺🇸

Portland, United States vs Seattle, United States — a side-by-side climate comparison to help you pick. Portland is the warmer of the two — about 2 degrees warmer on average across the year. Portland is drier, with roughly 13 fewer rainy days a year.

Climate at a glance

🇺🇸 Portland🇺🇸 Seattle
Avg annual high17°C15°C
Hottest monthAugust (29°C)August (25°C)
Coldest monthFebruary (2°C low)February (2°C low)
Rainy days / year190203
SnowRareRare
Best months to visitMay, June, SeptemberJune, July, August

🇺🇸 Portland

Best around May, June, September. Hottest in August (29°C), coldest lows in February (2°C).

🇺🇸 Seattle

Best around June, July, August. Hottest in August (25°C), coldest lows in February (2°C).

Frequently asked questions

Is Portland or Seattle warmer?

Portland is warmer overall, averaging about 2 degrees higher across the year.

Which is rainier, Portland or Seattle?

Seattle is rainier — Portland sees about 13 fewer rainy days per year.

When is the best time to visit Portland vs Seattle?

Portland is best around May, June, September; Seattle is best around June, July, August.

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