Climate almanac
Perniö
Southwest Finland, Finland · 60.20°, 23.13°
What is the weather like in Perniö in May?
In May, Perniö is typically 59°F (15°C) during the day and 41°F (5°C) at night. The month brings about 1.7 in (43 mm) of precipitation in total. Snowfall averages about 0.1 in (3 mm) over the month.
- Average high59°F (15°C)
- Average low41°F (5°C)
- Precipitation1.7 in (43 mm)
- Clear or mostly clear days11
- Snowfall0.1 in (3 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)