
Portland in May
Portland in May
Portland, USA
Visiting Portland in May means experiencing the spring. During spring, Portland offers mild temperatures, blooming landscapes, and fewer crowds.
Weather in Portland in May
Average highs around 19.1C and lows near 8.4C. 88.4mm average precipitation and about 12 rainy days. May typically sits between April and June conditions, so it is useful for travelers wanting a balanced window in Portland. Pack flexible layers for changing daytime and evening temperatures.
Temperature
May brings spring conditions in Portland, USA. The average temperature is about 13.8C, with lows near 8.4C and highs around 19.1C.
Sunshine Hours
Portland, USA usually gets around 10.2 hours of sunshine per day in May, with roughly 14.9 daylight hours available for sightseeing.
Rain
May sees around 88.4mm of rainfall over about 12 days. Rain can occur for around 5 hours per day on average.
Humidity
Humidity in May is generally moderate for Portland, USA, especially when rainfall periods increase.












