Portland Weather in May
With daytime temperatures of 17°C (63°F) and nighttime lows of 12°C (54°F), May in Portland brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 78 mm (3.1 in) falls on average.
Rainfall in Portland in May
You can expect rain on around 10 days based on historical patterns, with 78 mm (3.1 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Portland in May
May in Portland brings moderate temperatures, with highs of 17°C (63°F) and nights around 12°C (54°F). The difference between afternoon and evening temperatures is usually noticeable. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If you prefer dry days with pleasant temperatures, January, February and March typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Portland's climate page.
Portland Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
17°C (63°F)
Chance of Rain
33%
Precipitation
78 mm (3.1 in)
Rainy days
10 days
Best Places in Australia in May
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Portland in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Portland in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Portland's climate page.
See the full Portland climate overview or explore weather in Australia.
