Climate almanac
Mosman
New South Wales, Australia · -33.84°, 151.24°
What is the weather like in Mosman in December?
In December, Mosman is typically 75°F (24°C) during the day and 67°F (19°C) at night. The month brings about 2.7 in (69 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low67°F (19°C)
- Precipitation2.7 in (69 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)