Oregon in May
7.2out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 12 rainy days.
21°CAvg high
12°CAvg low
12Rainy days (95 mm)
14:21 hDaylight
06:20Sunrise · 20:41 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 12 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.4 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -6°C | 66 mm | 10 | – | – | 3.8 |
| February | 2°C | -5°C | 55 mm | 9 | – | – | 4.2 |
| March | 8°C | -1°C | 72 mm | 10 | – | – | 5.2 |
| April | 15°C | 5°C | 93 mm | 12 | – | – | 6.3 |
| May | 21°C | 12°C | 95 mm | 12 | – | – | 7.2 |
| June | 26°C | 17°C | 90 mm | 11 | – | – | 7.6 |
| July | 28°C | 19°C | 81 mm | 11 | – | – | 7.6 |
| August | 27°C | 18°C | 81 mm | 9 | – | – | 7.8 |
| September | 24°C | 14°C | 63 mm | 8 | – | – | 8.0 |
| October | 17°C | 8°C | 65 mm | 10 | – | – | 7.0 |
| November | 10°C | 2°C | 71 mm | 9 | – | – | 5.8 |
| December | 3°C | -3°C | 63 mm | 10 | – | – | 4.4 |
Frequently asked questions
How hot is Oregon in May?
Daytime highs average 21°C and nights about 12°C.
When is the best time to visit Oregon?
The best months are September, August, June, July.