Best Time to Visit Portland: Month-by-Month Guide
Best months for Portland: August, July.
- Best months for Portland: August, July.
- Peak season is July, August, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: June. Good weather without the busiest period.
- Wettest months: December, May, March.
- The least pleasant month is January (score 3.7).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -6°C | 99 mm | 10 | – | – | 3.7 |
| February | 1°C | -6°C | 91 mm | 9 | – | – | 4.0 |
| March | 4°C | -2°C | 117 mm | 11 | – | – | 4.3 |
| April | 9°C | 3°C | 119 mm | 11 | – | – | 5.4 |
| May | 14°C | 9°C | 98 mm | 11 | – | – | 6.2 |
| June | 19°C | 14°C | 102 mm | 10 | – | – | 7.1 |
| July | 22°C | 17°C | 78 mm | 9 | – | – | 7.8 |
| August | 22°C | 17°C | 81 mm | 8 | – | – | 7.9 |
| September | 19°C | 14°C | 95 mm | 9 | – | – | 7.3 |
| October | 13°C | 9°C | 137 mm | 10 | – | – | 6.1 |
| November | 8°C | 3°C | 113 mm | 10 | – | – | 5.3 |
| December | 3°C | -2°C | 126 mm | 11 | – | – | 4.1 |
Frequently asked questions
When is the best time to visit Portland?
The best months are August, July.
When is the rainy season in Portland?
The wettest months are December, May, March.