Climate almanac
San Antonio
Dorado, Puerto Rico · 18.45°, -66.30°
What is the weather like in San Antonio in August?
In August, San Antonio is typically 87°F (30°C) during the day and 79°F (26°C) at night. The month brings about 3.7 in (93 mm) of precipitation in total.
- Average high87°F (30°C)
- Average low79°F (26°C)
- Precipitation3.7 in (93 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)