Climate almanac
Dumai
Riau, Indonesia · 1.67°, 101.44°
What is the weather like in Dumai in January?
In January, Dumai is typically 88°F (31°C) during the day and 77°F (25°C) at night. The month brings about 9.4 in (239 mm) of precipitation in total.
- Average high88°F (31°C)
- Average low77°F (25°C)
- Precipitation9.4 in (239 mm)
- Clear or mostly clear days1
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)