Measurements:
°C
°F
Portland
48°F
W 3 mph
Feels like: 44°F
Precip: 0%
World Resorts USA Portland Weather May Weather in Portland

Portland Weather: May

Average Day Temperature: 67.0°F
Average Night Temperature: 50.8°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: 2024 2023 2022

The highest day temperature in May 2024 was 83°F. The lowest night temperature was 38°F. The average values for day and night temperatures during May were 62.6°F и 46.2°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in May are gloomy but you can also expect sunny 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:
July 21 days
August 21 days
September 16 days
The most warm months:
August 84.1 °F
July 82.8 °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 +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Portland
Local time: 02:27
22 dec, sunday
0300 48°F
W
3 mph
0600 46°F
W
2 mph
0900 46°F
SW
1 mph
1200 48°F
W
4 mph
1500 48°F
NW
2 mph
1800 50°F
W
4 mph
2100 50°F
N
5 mph
23 dec, monday
0000 50°F
N
6 mph