The warmest month (with the highest average high temperature) is July (21°C).
Months with the lowest average high temperature are January and February (-3°C).
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (-9°C).
The wettest month (with the highest rainfall) is August (42.5mm).
The driest month (with the least rainfall) is May (20mm).
The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest months (with the lowest average sea temperature) are February and March (-0.2°C).
The month with the longest days is June (Average daylight: 19.3h).
The month with the shortest days is December (Average daylight: 5.5h).