Climate almanac
Riverton
Washington, United States · 47.48°, -122.29°
What is the weather like in Riverton in May?
In May, Riverton 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)