Best Time to Visit Portland, Oregon, USA
Portland is at its sunniest and driest in June–September.
The best time to visit Portland for sunny, dry weather is June–September — 4 months of the year fit our sunny profiles at this specific location. The drier stretch runs through April–October; the wetter half falls in November–March. At the city itself, monthly average temperatures range from 4.3°C / 39.7°F in January to 19.3°C / 66.7°F in July, with rainfall from 19 mm / 0.7 in (July) to 172 mm / 6.8 in (December). These are point-value climate normals sampled at Portland, Oregon, United States of America's coordinates — usually more actionable for travellers than the country-wide average. Portland's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| June | 16.6°C61.9°F | 43 mm1.7″ | Sunny & Mild |
| July | 19.3°C66.7°F | 19 mm0.7″ | Sunny & Mild |
| August | 19.3°C66.7°F | 25 mm1″ | Sunny & Mild |
| September | 16.7°C62.1°F | 46 mm1.8″ | Sunny & Mild |
Frequently asked questions
When is the best time to visit Portland?
The best time to visit Portland for sunny, dry weather is June, July, August, September. At the city itself, the warmest month is July averaging 19.3°C / 66.7°F, and the driest is July with about 19 mm / 0.7 in of rain. These are point-value climate normals sampled at Portland's coordinates.
When is the rainy season in Portland?
The rainy season at Portland, Oregon runs through November–March, when monthly rainfall exceeds the annual median of about 83 mm / 3.3 in. The wettest single month is December (172 mm / 6.8 in).
What is the driest month in Portland?
The driest month in Portland is July, averaging about 19 mm / 0.7 in of rainfall. Temperature that month averages 19.3°C / 66.7°F.
What months should I avoid visiting Portland?
The least comfortable months for travel to Portland — based on point-value climate at the city — are January, February, November, December. These are the wettest or coolest months at this location. Rainfall peaks at 172 mm / 6.8 in in December, and the coldest month averages 4.3°C / 39.7°F.
Is Portland climate different from United States of America overall?
Yes, usually. Our Portland figures are point-value climate normals sampled at the city itself, while our United States of America figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Portland specifically — usually the more actionable data for a traveller planning to spend time in the city.