Climate almanac
Jämsä
Central Finland, Finland · 61.86°, 25.19°
What is the weather like in Jämsä in January?
In January, Jämsä is typically 25°F (-4°C) during the day and 17°F (-8°C) at night. The month brings about 2.2 in (55 mm) of precipitation in total. Snowfall averages about 13 in (333 mm) over the month.
- Average high25°F (-4°C)
- Average low17°F (-8°C)
- Precipitation2.2 in (55 mm)
- Clear or mostly clear days2
- Snowfall13 in (333 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)