Climate almanac
Portland
Victoria, Australia · -38.35°, 141.60°
What is the weather like in Portland in December?
In December, Portland is typically 66°F (19°C) during the day and 56°F (14°C) at night. The month brings about 1.6 in (40 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low56°F (14°C)
- Precipitation1.6 in (40 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)