Climate almanac
Grafton
West Virginia, United States · 39.34°, -80.02°
What is the weather like in Grafton in May?
In May, Grafton is typically 71°F (22°C) during the day and 54°F (12°C) at night. The month brings about 6.3 in (161 mm) of precipitation in total. Snowfall averages about 0.1 in (3 mm) over the month.
- Average high71°F (22°C)
- Average low54°F (12°C)
- Precipitation6.3 in (161 mm)
- Clear or mostly clear days6
- Snowfall0.1 in (3 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)