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).
The months with the highest average low temperature are July and August (5°C).
The coldest months (with the lowest average low temperature) are February and March (-17°C).
The wettest months (with the highest rainfall) are November and December (30mm).
The driest month (with the least 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 August (Average daylight: 18h and 30min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).