Climate almanac
Grinnell
Iowa, United States · 41.74°, -92.72°
What is the weather like in Grinnell in May?
In May, Grinnell is typically 73°F (23°C) during the day and 53°F (12°C) at night. The month brings about 5.5 in (140 mm) of precipitation in total.
- Average high73°F (23°C)
- Average low53°F (12°C)
- Precipitation5.5 in (140 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)