Climate almanac
Decatur
Texas, United States · 33.23°, -97.59°
What is the weather like in Decatur in May?
In May, Decatur is typically 84°F (29°C) during the day and 65°F (18°C) at night. The month brings about 5.2 in (132 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low65°F (18°C)
- Precipitation5.2 in (132 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)