Month-by-month travel weather
Seattle May weather
Seattle, United States · May
Evenings can still feel cool
May typically brings more sunshine and mild temperatures that make outdoor plans easier.
Evenings can cool down, so if you’re out late, a thin layer helps.
May averages at a glance
Average low
around 8–10°C
Average high
around 16–19°C
Average precipitation
around 35–60 mm
Rainy days
about 8–12 days
What to wear in May in Seattle
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Mix of tees/long sleeves + a thin outer layer.
- • Optional sun protection on brighter days.
- • Light rain option as backup.
Travel tips for visiting Seattle in May
- • Lakeside and waterfront areas can feel cooler in breeze.
- • Longer daylight makes evenings feel more usable.
May weather in Seattle — FAQ
Q. Is May still rainy?
A. Less than winter, but rain can still appear.
Q. Is May a good month to visit?
A. Often yes—just keep an evening layer and a light rain option.
Explore Seattle
These pages are connected so you can compare conditions and decide for yourself.