Climate almanac
Arnprior
Ontario, Canada · 45.43°, -76.35°
What is the weather like in Arnprior in December?
In December, Arnprior is typically 30°F (-1°C) during the day and 17°F (-8°C) at night. The month brings about 3.4 in (85 mm) of precipitation in total. Snowfall averages about 12 in (303 mm) over the month.
- Average high30°F (-1°C)
- Average low17°F (-8°C)
- Precipitation3.4 in (85 mm)
- Clear or mostly clear days3
- Snowfall12 in (303 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)