- Check out top flight deals & low fares from popular airlines
- Search for return & one-way flights or multi-city trips
- Airlines include BA, Virgin Atlantic, United & Turkish Airlines
Portland weather in May 2025
Expect 19°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Portland in May. Check more long-term weather averages for Portland in May before you book your next holiday to Oregon in 2025/2026.
- 1919°C max day temperature
- 9 hours of sunshine per day
- 1111 days with some rainfall
- 77°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 5757 mm of monthly rainfall
- 66 (High) UV index
More about Portland
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Portland by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Oregon
The May weather guide for Oregon (Portland) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Portland in May?
Daytime temperatures usually reach 19°C in Portland in May, falling to 7°C at night.
How sunny is it in Portland in May?
There are normally 9 hours of bright sunshine each day in Portland in May - that's 60% of daylight hours.
Does it rain in Portland in May?
There are usually 11 days with some rain in Portland in May and the average monthly rainfall is 57mm.
Portland May sunrise & sunset times
Browse the sunrise and sunset times for Portland in May 2025. Select a month to view Portland sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 04:58 | 19:18 |
Friday, 16th May 2025 | 04:38 | 19:36 |
Saturday, 31st May 2025 | 04:26 | 19:52 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport