The warmest month (with the highest average high temperature) is July (11°C).
The month with the lowest average high temperature is February (-12°C).
Months with the highest average low temperature are July and August (5°C).
Coldest months (with the lowest average low temperature) are February and March (-17°C).
Wettest months (with the highest rainfall) are November and December (30mm).
The driest month (with the lowest rainfall) is June (8mm).
The best month for swimming (with the highest average sea temperature) is September (3.3°C).
The coldest month (with the lowest average sea temperature) is February (-1.5°C).
The month with the longest days is June (Average daylight: 24h).
The month with shortest days is December (Average daylight: 0h).