Measurements:
°C
°F
Seattle
40°F
NW 5 mph
Feels like: 36°F
Precip: 0%
World Resorts USA Seattle Weather May Weather in Seattle

Seattle Weather: May

Average Day Temperature: 66.2°F
Average Night Temperature: 50.4°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.5 - 15.7 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.4 in

Air Temperature in May, °F

Select Year: 2023 2022 2021

The highest day temperature in May 2023 was 97°F. The lowest night temperature was 43°F. The average values for day and night temperatures during May were 72.6°F и 51.3°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 Seattle is 1.4 in.

Wind Speed in May, mph

The average wind speed in May is 5.1 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 Seattle in May is 8.1 hours.

Best Time to Visit Seattle
The most sunny months:
August 19 days
July 18 days
September 15 days
The most warm months:
August 81.4 °F
July 80.0 °F
September 72.4 °F
The most cold months:
December 42.8 °F
January 44.1 °F
February 45.1 °F
The most rainy months:
January 7 days
December 6 days
April 5 days
The most windy months:
March 6 mph
April 6 mph
February 6 mph

Seattle on the Weather Map

USA Resorts:
NAME
Boston +40
Chicago +38
Hawaii +74
Honolulu +74
Houston +60
Las Vegas +58
Los Angeles +54
Miami +72
New York +40
Orlando +60
San Diego +56
San Francisco +50
Sarasota +60
Tampa +60
Washington +38
24 Hours Weather Forecast
Seattle
Local time: 04:15
29 mar, friday
0600 40°F
N
2 mph
0900 44°F
NW
1 mph
1200 52°F
S
3 mph
1500 54°F
S
9 mph
1800 50°F
S
11 mph
2100 44°F
S
7 mph
30 mar, saturday
0000 40°F
S
6 mph
0300 38°F
SW
4 mph