Portland, United StatesQuick decision
When to visit Portland?
🌞 Best time overall
July
🌡️ Optimal temperature
57°F–82°F in July
🌧 Least rain
7% rainy days in July
🌧 Wettest month
January (61%)
📅 Best score
10.0/10
By trip type
Best time by type of trip
Craft beer & food trucksYear-round — 70+ breweries, food cart pods, farm-to-table.
Columbia River GorgeMay–Oct — Multnomah Falls, hiking, windsurfing.
Powell's & indie cultureYear-round — world's largest indie bookstore, record shops.
Rose Garden & Forest ParkMay–Jun — International Rose Test Garden, 5,200-acre urban forest.
Monthly climate data
Portland weather month by month
| Month | Min °F | Max °F | Rainy days (%) | Precip. in/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 36°F | 46°F | 61% | 0.2in | 3.9h | 1.4/10 |
| 🌦️ February | 36°F | 48°F | 60% | 0.2in | 5.5h | 2.2/10 |
| 🌦️ March | 37°F | 52°F | 60% | 0.2in | 8.2h | 4.0/10 |
| 🌦️ April | 41°F | 59°F | 51% | 0.1in | 10.2h | 5.6/10 |
| 🌤️ May | 48°F | 66°F | 36% | 0.1in | 11.9h | 7.3/10 |
| 🌤️ June | 54°F | 73°F | 26% | 0.1in | 13.5h | 8.3/10 |
| ☀️ July | 57°F | 82°F | 7% | 0.0in | 14.5h | 10.0/10 |
| ☀️ August | 59°F | 84°F | 9% | 0.0in | 13.0h | 9.3/10 |
| 🌤️ September | 55°F | 75°F | 25% | 0.1in | 11.3h | 8.1/10 |
| 🌦️ October | 46°F | 61°F | 42% | 0.2in | 8.2h | 5.9/10 |
| 🌦️ November | 41°F | 52°F | 58% | 0.3in | 5.4h | 3.0/10 |
| 🌦️ December | 36°F | 46°F | 61% | 0.3in | 3.8h | 1.4/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 15°F, 49% rainy days, 10.1h sunshine/day. Score: 5.6/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 27°F, 14% rainy days, 13.7h sunshine/day. Score: 9.2/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 17°F, 42% rainy days, 8.3h sunshine/day. Score: 5.7/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 8°F, 61% rainy days, 4.4h sunshine/day. Score: 1.7/10.
Accommodation
Find a place to stay in Portland
Check availability during the recommended period
Tip : May, June offer a good weather/price balance — decent score with fewer crowds.
Search on Hotels.comActivities & tours
Activities and tours in Portland
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Portland
Compare flights from all airlines.
Search flights
Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 7% rainy days and 28°F.
January is the wettest month with 61% rainy days.
Yes, July is the best month with an average of 28°F.
In winter, the average score is 1.7/10. Difficult period — prefer the peak season.
Also explore
Destinations with similar climate
Canada
PortugalWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons