Climate almanac
Siilinjärvi
North Savo, Finland · 63.08°, 27.67°
What is the weather like in Siilinjärvi in December?
In December, Siilinjärvi is typically 27°F (-3°C) during the day and 21°F (-6°C) at night. The month brings about 2.5 in (64 mm) of precipitation in total. Snowfall averages about 15 in (387 mm) over the month.
- Average high27°F (-3°C)
- Average low21°F (-6°C)
- Precipitation2.5 in (64 mm)
- Clear or mostly clear days2
- Snowfall15 in (387 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)