Climate almanac
Denison
Iowa, United States · 42.02°, -95.36°
What is the weather like in Denison in May?
In May, Denison is typically 73°F (23°C) during the day and 52°F (11°C) at night. The month brings about 5.7 in (146 mm) of precipitation in total.
- Average high73°F (23°C)
- Average low52°F (11°C)
- Precipitation5.7 in (146 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)