Climate almanac
Port Isabel
Texas, United States · 26.07°, -97.21°
What is the weather like in Port Isabel in January?
In January, Port Isabel is typically 67°F (20°C) during the day and 61°F (16°C) at night. The month brings about 2.7 in (68 mm) of precipitation in total.
- Average high67°F (20°C)
- Average low61°F (16°C)
- Precipitation2.7 in (68 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)