Climate almanac
Jämsä
Central Finland, Finland · 61.86°, 25.19°
What is the weather like in Jämsä in May?
In May, Jämsä is typically 59°F (15°C) during the day and 39°F (4°C) at night. The month brings about 1.8 in (46 mm) of precipitation in total. Snowfall averages about 0.7 in (18 mm) over the month.
- Average high59°F (15°C)
- Average low39°F (4°C)
- Precipitation1.8 in (46 mm)
- Clear or mostly clear days10
- Snowfall0.7 in (18 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)