The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-1.7°C).
The month with the highest average low temperature is July (12.7°C).
Coldest months (with the lowest average low temperature) are January and February (-8.2°C).
The wettest month (with the highest rainfall) is September (81.3mm).
The driest month (with the lowest rainfall) is February (41.7mm).
The best month for swimming (with the highest average sea temperature) is August (17°C).
Coldest months (with the lowest average sea temperature) are February and March (0.3°C).
The month with the longest days is June (Average daylight: 19.9h).
The month with shortest days is December (Average daylight: 5.1h).