Places › Portland, OR
Portland, OR — best months to visit
Roses, food carts, and the green, rainy Pacific Northwest.
Best months for Portland: June, September — mild days around 74°F, rain on about 9 days a month.
48°F
Rain 19 days
Daylight 9h 04mFEB
52°F
Rain 16 days
Daylight 10h 18mMAR
57°F
Rain 18 days
Daylight 11h 46mAPR
62°F
Rain 17 days
Daylight 13h 27mMAY
69°F
Rain 13 days
Daylight 14h 52mJUN
74°F
★ Best
Rain 9 days
Daylight 15h 40mJUL
82°F
Rain 4 days
Daylight 15h 21mAUG
82°F
Rain 4 days
Daylight 14h 07mSEP
77°F
★ Best
Rain 7 days
Daylight 12h 28mOCT
64°F
Rain 14 days
Daylight 10h 51mNOV
54°F
Rain 18 days
Daylight 9h 26mDEC
47°F
Rain 19 days
Daylight 8h 43m
Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.
Temperature band (low to high) in each month's color; pale bars behind = total rain for the month. 1991–2020 normals.
All twelve months
| Month | Score | Avg high | Avg low | Rain | Rain days | Daylight | Verdict |
|---|---|---|---|---|---|---|---|
| January | 44 | 48° | 36° | 5.03 in | 19 | 9h 04m | An off month |
| February | 60 | 52° | 37° | 3.68 in | 16 | 10h 18m | A shoulder month |
| March | 64 | 57° | 40° | 3.97 in | 18 | 11h 46m | A shoulder month |
| April | 73 | 62° | 44° | 2.89 in | 17 | 13h 27m | A good month |
| May | 88 | 69° | 49° | 2.51 in | 13 | 14h 52m | One of the best months |
| June ★ Best | 97 | 74° | 54° | 1.63 in | 9 | 15h 40m | One of the best months |
| July | 91 | 82° | 58° | 0.51 in | 4 | 15h 21m | One of the best months |
| August | 89 | 82° | 59° | 0.54 in | 4 | 14h 07m | One of the best months |
| September ★ Best | 95 | 77° | 54° | 1.52 in | 7 | 12h 28m | One of the best months |
| October | 81 | 64° | 47° | 3.42 in | 14 | 10h 51m | One of the best months |
| November | 53 | 54° | 41° | 5.45 in | 18 | 9h 26m | A shoulder month |
| December | 42 | 47° | 36° | 5.77 in | 19 | 8h 43m | An off month |
Score is rule-derived from the same normals — the rules are published on How we pick. Rain days = days with at least 0.01 in of precipitation.
June in Portland: one of the best months (score 97 of 100)
Typical June days in Portland reach about 74°F with nights near 54°F; days are long — about 15h 40m of daylight in mid-June.
- A light jacket or fleece for evenings.
- Layers — afternoons run about 20° warmer than mornings.
- A compact rain layer — about 9 days see rain in a typical June.
September in Portland: one of the best months (score 95 of 100)
Typical September days in Portland reach about 77°F with nights near 54°F.
- A light jacket or fleece for evenings.
- Layers — afternoons run about 23° warmer than mornings.
- A compact rain layer — about 7 days see rain in a typical September.