Climate almanac
San Juan
Texas, United States · 26.19°, -98.16°
What is the weather like in San Juan in August?
In August, San Juan is typically 99°F (37°C) during the day and 79°F (26°C) at night. The month brings about 1.5 in (37 mm) of precipitation in total.
- Average high99°F (37°C)
- Average low79°F (26°C)
- Precipitation1.5 in (37 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)