Climate almanac
San Marcos
Texas, United States · 29.88°, -97.94°
What is the weather like in San Marcos in August?
In August, San Marcos is typically 96°F (36°C) during the day and 75°F (24°C) at night. The month brings about 3.7 in (94 mm) of precipitation in total.
- Average high96°F (36°C)
- Average low75°F (24°C)
- Precipitation3.7 in (94 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)