Climate almanac
Seinäjoki
South Ostrobothnia, Finland · 62.79°, 22.83°
What is the weather like in Seinäjoki in December?
In December, Seinäjoki is typically 30°F (-1°C) during the day and 23°F (-5°C) at night. The month brings about 1.9 in (48 mm) of precipitation in total. Snowfall averages about 9.4 in (238 mm) over the month.
- Average high30°F (-1°C)
- Average low23°F (-5°C)
- Precipitation1.9 in (48 mm)
- Clear or mostly clear days2
- Snowfall9.4 in (238 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)