Climate almanac
St. Charles
Maryland, United States · 38.61°, -76.92°
What is the weather like in St. Charles in May?
In May, St. Charles is typically 75°F (24°C) during the day and 60°F (16°C) at night. The month brings about 4.6 in (118 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low60°F (16°C)
- Precipitation4.6 in (118 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)