Climate almanac
Perth
Ontario, Canada · 44.90°, -76.25°
What is the weather like in Perth in December?
In December, Perth is typically 31°F (0°C) during the day and 20°F (-7°C) at night. The month brings about 3.3 in (84 mm) of precipitation in total. Snowfall averages about 11 in (288 mm) over the month.
- Average high31°F (0°C)
- Average low20°F (-7°C)
- Precipitation3.3 in (84 mm)
- Clear or mostly clear days2
- Snowfall11 in (288 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)