Best Time to Visit Portland
The best time to visit Portland is June to September.
Here's a month-by-month breakdown to help you pick the perfect time for your trip.
The year at a glance
Choose a month on the ring to see what it's like.
Averages 18°C (64°F) with 56 mm of rain over the month.
4 of 12 months are a best time to visit.
Quick answer
Visit Portland in June to September for the best weather and experience. Budget travelers should consider shoulder season for lower prices. A typical hotel night is $119, and daily spend is $33–$110 a person, hotel not included. What a trip costs →
- Best time: the months named above
- Good: either side of the best months
- Off-peak: expect trade-offs, and often deals
Month-by-month guide
January
Off-peakCold, very wet. Averages 5°C (41°F) with 167 mm of rain over the month.
February
Off-peakCold, very wet. Averages 5°C (41°F) with 150 mm of rain over the month.
March
Off-peakCold, wet. Averages 7°C (45°F) with 147 mm of rain over the month.
April
Off-peakCool, wet. Averages 10°C (50°F) with 120 mm of rain over the month.
May
GoodMild, some rain. Averages 14°C (58°F) with 71 mm of rain over the month.
June
Best timeMild, some rain. Averages 18°C (64°F) with 56 mm of rain over the month.
July
Best timeWarm, dry. Averages 21°C (70°F) with 10 mm of rain over the month.
August
Best timeWarm, dry. Averages 22°C (71°F) with 13 mm of rain over the month.
September
Best timeMild, some rain. Averages 18°C (64°F) with 62 mm of rain over the month.
October
GoodCool, wet. Averages 13°C (55°F) with 138 mm of rain over the month.
November
Off-peakCold, very wet. Averages 7°C (45°F) with 176 mm of rain over the month.
December
Off-peakCold, very wet. Averages 5°C (40°F) with 218 mm of rain over the month.
What the weather actually does in Portland
Monthly averages from ten years of recorded weather (2014–2023), not a forecast.
Portland is warmest in August (22°C / 71°F) and coolest in December (5°C / 40°F). December is the wettest month at 218 mm of rain, and July the driest at 10 mm. On weather alone, the most comfortable months for walking around (roughly 18–26°C without heavy rain) are June, July, August and September.
| Month | Avg temp | Rain | Comfort |
|---|---|---|---|
| Jan | 5°C 41°F | 167 mm | |
| Feb | 5°C 41°F | 150 mm | |
| Mar | 7°C 45°F | 147 mm | |
| Apr | 10°C 50°F | 120 mm | |
| May | 14°C 58°F | 71 mm | |
| Jun | 18°C 64°F | 56 mm | |
| Jul | 21°C 70°F | 10 mm | |
| Aug | 22°C 71°F | 13 mm | |
| Sep | 18°C 64°F | 62 mm | |
| Oct | 13°C 55°F | 138 mm | |
| Nov | 7°C 45°F | 176 mm | |
| Dec | 5°C 40°F | 218 mm |
Comfort scores 18–26°C and under 30 mm of rain highest. Weather data: Open-Meteo historical archive (CC BY 4.0).
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