Climate almanac
Ottumwa
Iowa, United States · 41.02°, -92.41°
What is the weather like in Ottumwa in May?
In May, Ottumwa is typically 75°F (24°C) during the day and 55°F (13°C) at night. The month brings about 4.9 in (124 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low55°F (13°C)
- Precipitation4.9 in (124 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)