Seattle Weather in May
17.8°C high · 8°C low · 49 mm rain · 8.2h sun
May is a warm month in Seattle — not peak season, but a good time to avoid crowds.
May at a glance
| Metric | Value |
|---|---|
| Average high | 17.8°C |
| Average low | 8°C |
| Rainfall | 49 mm |
| Sunshine | 8.2 hours/day |
| Daylight | 14.9 hours |
What to pack in May
Pack a jacket and layers for Seattle in May.
Seattle weather by month
JanFebMarAprMayJunJulAugSepOctNovDec
Frequently asked questions
What is the weather in Seattle in May?
Highs of 17.8°C and lows of 8°C, with about 49 mm of rain and 8.2 hours of sunshine per day.
Is May a good time to visit Seattle?
May is a warm month in Seattle — not peak season, but a good time to avoid crowds.
What to do in Seattle · Best time to visit Seattle
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.