Measurements:
°C
°F
Portland
50°F
N 9 mph
Feels like: 46°F
Precip: 100%
World Resorts USA Portland Weather May Weather in Portland

Portland Weather: May

Average Day Temperature: 67.4°F
Average Night Temperature: 51.2°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.3 - 15.4 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.2 in

Air Temperature in May, °F

Select Year: 2023 2022 2021

The highest day temperature in May 2023 was 95°F. The lowest night temperature was 43°F. The average values for day and night temperatures during May were 74.4°F и 51.5°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Portland is 2.2 in.

Wind Speed in May, mph

The average wind speed in May is 4.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Portland in May is 7.8 hours.

Best Time to Visit Portland
The most sunny months:
August 22 days
July 20 days
September 16 days
The most warm months:
August 84.3 °F
July 82.6 °F
September 75.8 °F
The most cold months:
December 43.3 °F
January 44.5 °F
February 46.0 °F
The most rainy months:
January 9 days
March 9 days
February 8 days
The most windy months:
February 6 mph
January 6 mph
December 6 mph

Portland on the Weather Map

USA Resorts:
NAME
Boston +52
Chicago +50
Hawaii +76
Honolulu +76
Houston +84
Las Vegas +76
Los Angeles +62
Miami +80
New York +52
Orlando +90
San Diego +62
San Francisco +58
Sarasota +80
Tampa +86
Washington +58
24 Hours Weather Forecast
Portland
Local time: 13:01
25 apr, thursday
1500 50°F
N
12 mph
1800 50°F
N
11 mph
2100 50°F
N
9 mph
26 apr, friday
0000 50°F
N
7 mph
0300 48°F
N
7 mph
0600 48°F
N
7 mph
0900 48°F
N
9 mph
1200 48°F
N
9 mph