The temperatures in Oregon in May are quite cold with temperatures between 6°C and 19°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Oregon during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Oregon in May 2025.
If you’re planning to visit Oregon in the near future, we highly recommend that you review the 14 day weather forecast for Oregon before you arrive.
Temperatures
19° / 6°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
98
mm
Sun Hours
8.9
Hrs
