Monthly weather forecast and climate
Pernå, Finland

Average sea temperature - Pernå, Finland

The best month for swimming (with the highest average sea temperature) is July (18.8°C).
Coldest months (with the lowest average sea temperature) are February and March (-0.1°C).

Average daylight - Pernå, Finland

The month with the longest days is June (Average daylight: 18.9h).
The month with shortest days is December (Average daylight: 5.9h).