Weather in May 2023

Portland weather in May 2023

The temperatures in Portland in May are quite cold with temperatures between 6°C and 19°C.

You can expect about 3 to 8 days of rain in Portland 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 Portland in May 2023.

If you’re planning to visit Portland in the near future, we highly recommend that you review the 14 day weather forecast for Portland before you arrive.

Temperatures
Temperatures
19° / 6°
Rainy Days
Rainy Days
6
Snowy Days
Snowy Days
0
Dry Days
Dry Days
25
Rainfall
Rainfall
98
mm
8.9
Sun Hours
8.9
Hrs

Portland annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 8° / 2° 13 16 2 263 mm
Awful
February 8° / 2° 11 13 4 201 mm
Awful
March 11° / 3° 13 16 2 217 mm
Awful
April 14° / 4° 9 20 1 154 mm
Ok
May 19° / 6° 6 25 0 98 mm
Good
June 22° / 9° 4 26 0 84 mm
Good
July 27° / 11° 1 30 0 14 mm
Perfect
August 27° / 12° 1 30 0 20 mm
Perfect
September 23° / 11° 4 26 0 95 mm
Perfect
October 16° / 8° 9 22 0 201 mm
Ok
November 10° / 4° 13 17 1 222 mm
Bad
December 7° / 1° 12 17 2 261 mm
Awful
Temperatures in Portland in May
Rain in Portland in May

Weather in Portland in May - FAQ

What is the average temperature in Portland in May?
The average temperature in Portland in May is 6/19° C.
What is the chance of rain in Portland in May?
On average, there are 6 rainy days in Portland during May.
Weather wise, is May a good time to visit Portland?
The weather in Portland in May is good.
Can it snow in Portland in May?
On average, there are 0 snowy days in Portland in May.