Portland Climate: Weather by Month and Best Time to Visit
Best months for Portland: March, April, February, November.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 19°C | 11°C | 54 mm | 7 | – | – | 7.7 |
| February | 20°C | 13°C | 38 mm | 5 | – | – | 8.1 |
| March | 23°C | 16°C | 57 mm | 6 | – | – | 8.3 |
| April | 26°C | 19°C | 50 mm | 6 | – | – | 8.3 |
| May | 29°C | 23°C | 68 mm | 9 | – | – | 7.9 |
| June | 31°C | 25°C | 75 mm | 10 | – | – | 7.2 |
| July | 32°C | 26°C | 57 mm | 9 | – | – | 7.2 |
| August | 32°C | 26°C | 57 mm | 10 | – | – | 6.9 |
| September | 31°C | 24°C | 108 mm | 14 | – | – | 6.7 |
| October | 28°C | 20°C | 86 mm | 9 | – | – | 7.9 |
| November | 23°C | 15°C | 56 mm | 7 | – | – | 8.1 |
| December | 20°C | 12°C | 53 mm | 7 | – | – | 7.9 |