The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-9.2°C).
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-16.5°C).
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is May (68%).
The wettest month (with the highest rainfall) is July (73mm).
The driest month (with the least rainfall) is February (29mm).
The month with the highest number of rainy days is September (22 days).
The months with the least rainy days are January and February (2 days).
The month with the highest number of snowfall days is December (28 days).
The months with the least snowfall days are July and August (0 days).
The best month for swimming (with the highest average sea temperature) is August (9.9°C).
The coldest month (with the lowest average sea temperature) is February (-1.4°C).
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 12min).
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 12min).
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 0).