Climate almanac
Mason City
Iowa, United States · 43.15°, -93.20°
What is the weather like in Mason City in May?
In May, Mason City is typically 72°F (22°C) during the day and 51°F (11°C) at night. The month brings about 5.2 in (132 mm) of precipitation in total.
- Average high72°F (22°C)
- Average low51°F (11°C)
- Precipitation5.2 in (132 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)