The warmest months (with the highest average high temperature) are July and August (27°C).
The month with the lowest average high temperature is January (-2°C).
Months with the highest average low temperature are July and August (21°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
The wettest month (with the highest rainfall) is July (262mm).
The driest months (with the least rainfall) are January and February (13mm).
The best month for swimming (with the highest average sea temperature) is August (22.8°C).
The coldest month (with the lowest average sea temperature) is February (1.1°C).
The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).