Portland weather by month & the best time to visit
🇺🇸 United States · city break · Mediterranean climate
The best time to visit Portland is July — its sunniest month (Sunshine Score 89/100), with August and June close behind. Portland averages about 2,058 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 11 mm of rain in July.
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- Sun hours / year
- 2,058
- Sunniest month
- July
- Peak score
- 89/100
- Rain / year
- 1,484 mm
- Snow / year
- ≈23 cm
- Midday UV at peak
- 7 (high)
- Population
- 1.9M
- Elevation
- 7 m

When is the best time to visit Portland?
For sunshine, the best time to visit Portland is July, then August and June. The dullest month is January (0/100, 216 mm of rain). The full month-by-month picture is in the table below.
How sunny is Portland?
Portland gets a moderate 2,058 hours of sunshine a year. 89 Sunshine Score points separate July (89) from January (0), so the month you pick matters. It ranks #383 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around December, carries about 46% of the annual 1,484 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 8° / 46°F | 2° / 36°F | 216 mm | 1 |
| February | 5 | 9° / 48°F | 2° / 36°F | 144 mm | 2 |
| March | 21 | 12° / 54°F | 4° / 39°F | 178 mm | 3 |
| April | 40 | 15° / 59°F | 5° / 41°F | 119 mm | 4 |
| May | 70 | 19° / 66°F | 9° / 48°F | 79 mm | 5 |
| June | 81 | 22° / 72°F | 11° / 52°F | 55 mm | 6 |
| July | 89 | 28° / 82°F | 13° / 55°F | 11 mm | 7 |
| August | 87 | 29° / 84°F | 14° / 57°F | 20 mm | 6 |
| September | 80 | 25° / 77°F | 11° / 52°F | 57 mm | 5 |
| October | 55 | 18° / 64°F | 8° / 46°F | 137 mm | 3 |
| November | 16 | 11° / 52°F | 4° / 39°F | 217 mm | 1 |
| December | 0 | 7° / 45°F | 2° / 36°F | 251 mm | 0 |
See Portland on the interactive sunshine globe →
Nearby places for sunshine
- Eugene United States · 170 km · best in Jul · 2,248 h sun/yr
- Redmond United States · 187 km · best in Jul · 2,712 h sun/yr
- Seattle United States · 208 km · best in Jul · 1,896 h sun/yr
- Pasco United States · 279 km · best in Sep · 2,745 h sun/yr
- Victoria (British Columbia) Canada · 346 km · best in Jul · 2,004 h sun/yr
- Bellingham United States · 356 km · best in Jul · 2,005 h sun/yr
Nearest destinations
- Salem United States · 82 km · 2,251 h sun/yr · best in Jul
- Olympia United States · 155 km · 1,894 h sun/yr · best in Jul
- Tacoma United States · 187 km · 1,895 h sun/yr · best in Jul
- Yakima United States · 192 km · 2,597 h sun/yr · best in Jul
Head-to-head
How Portland compares month by month: Portland vs Seattle · Portland vs Eugene · Portland vs Medford · Portland vs Redmond · all comparisons
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