Climate almanac
Seattle
Washington, United States · 47.61°, -122.33°
What is the weather like in Seattle in May?
In May, Seattle is typically 66°F (19°C) during the day and 50°F (10°C) at night. The month brings about 2.8 in (72 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low50°F (10°C)
- Precipitation2.8 in (72 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)