Climate almanac
Port Antonio
Portland Parish, Jamaica · 18.18°, -76.45°
What is the weather like in Port Antonio in January?
In January, Port Antonio is typically 78°F (26°C) during the day and 74°F (23°C) at night. The month brings about 3.6 in (92 mm) of precipitation in total.
- Average high78°F (26°C)
- Average low74°F (23°C)
- Precipitation3.6 in (92 mm)
- Clear or mostly clear days18
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)