Climate almanac
Iisalmi
North Savo, Finland · 63.56°, 27.19°
What is the weather like in Iisalmi in December?
In December, Iisalmi is typically 27°F (-3°C) during the day and 19°F (-7°C) at night. The month brings about 2.5 in (63 mm) of precipitation in total. Snowfall averages about 15 in (386 mm) over the month.
- Average high27°F (-3°C)
- Average low19°F (-7°C)
- Precipitation2.5 in (63 mm)
- Clear or mostly clear days1
- Snowfall15 in (386 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)