Seattle weather in May

May in Seattle averages 65°F by day and 48°F at night, with 2.2 inches of precipitation. It is the 5th-warmest and 8th-wettest month of the year here.

SeattleWashingtonPop. 784,777
Average high
65°F+7° vs April
Average low
48°F0 nights below freezing
Precipitation
2.2 in6 days with 0.1 in. or more
Snow
0.0 in0 days at 90°F+

Is May a good time to visit Seattle?

Yes. May is one of the most comfortable months in Seattle by our rule (highs of 62 to 86°F, lows of 42°F or more and under 4.5 inches of precipitation). The most comfortable months overall are May to September.

Get outside in Seattle in May

May is made for being outside. Try Space Needle, Pike Place Market, Seattle Center, Woodland Park Zoo. All things to do in Seattle.

On May 15 the sun rises at 5:31 am and sets at 8:40 pm, giving 15h 08m of daylight. Daylight all year.

What to pack for Seattle in May

  • T-shirts and a light jacket or sweater

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

May nearby

CityDistanceHighLowPrecip.
Seattle65°F48°F2.2 in
Bellevue, WA8 mi65°F48°F2.2 in
Kirkland, WA8 mi65°F48°F2.2 in
Redmond, WA11 mi65°F48°F2.2 in
Renton, WA12 mi66°F49°F1.9 in
Kent, WA17 mi66°F49°F1.9 in
Federal Way, WA20 mi66°F49°F1.9 in

Frequently asked questions

What is the weather like in Seattle in May?

In May, Seattle averages a high of 65°F and a low of 48°F, with 2.2 inches of precipitation (NOAA 1991-2020 normals).

Is May a good time to visit Seattle?

Yes. May is one of Seattle's most comfortable months by our rule: highs between 62°F and 86°F, lows of 42°F or more and modest rain.

Does it snow in Seattle in May?

Rarely. The May snowfall normal is under half an inch.

Before and after: Seattle in April and Seattle in June. All twelve months: Seattle weather by month.

NOAA NCEI 1991-2020 climate normals, station Seattle Sand Pt WSFO, WA, 6.6 miles from the city center.