Climate almanac
St. Charles
Maryland, United States · 38.61°, -76.92°
What is the weather like in St. Charles in August?
In August, St. Charles is typically 85°F (30°C) during the day and 72°F (22°C) at night. The month brings about 4.1 in (105 mm) of precipitation in total.
- Average high85°F (30°C)
- Average low72°F (22°C)
- Precipitation4.1 in (105 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)