May weather in Seattle, United States
Averages from 155 days in May across 2020–2024.
Typical conditions
| Average high | 17.2°C |
|---|---|
| Average low | 9.1°C |
| Average mean | 12.8°C |
| Total precipitation | 314.9 mm |
| Rainy days | 91 |
| Average precipitation hours | 4.5 h |
| Average max wind speed | 19.3 km/h |
| Average sunshine | 9.8 h/day |
Explore other months
January February March April May June July August September October November December