The warmest month (with the highest average high temperature) is August (26.4°C).
The month with the lowest average high temperature is January (14.6°C).
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).
The best month for swimming (with the highest average sea temperature) is September (18.3°C).
The coldest months (with the lowest average sea temperature) are February and March (13.8°C).
The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).