The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is February (-2.8°C).
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).
The month with the highest atmospheric pressure is September (1016.2mbar).
The months with the lowest atmospheric pressure are January and February (1010.7mbar).
The windiest month (with the highest average wind speed) is January (18.1km/h).
The calmest month (with the lowest average wind speed) is July (12km/h).
The month with the highest relative humidity is February (91%).
The months with the lowest relative humidity are May and July (82%).
The wettest month (with the highest rainfall) is November (106mm).
The driest month (with the least rainfall) is September (55mm).
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is February (9 days).
The month with the highest snowfall is February (256mm).
The months with the least snowfall are June, July, August and September (0mm).
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
The best month for swimming (with the highest average sea temperature) is August (18.1°C).
The coldest month (with the lowest average sea temperature) is March (-0.4°C).
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
The month with the most sunshine is August (Average sunshine: 8h and 36min).
The months with the least sunshine are January, February and December (Average sunshine: 2h and 30min).
The month with the most sunshine days is September (11.5 days).
The month with the least sunshine days is December (4.4 days).
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 44).
The months with the highest visibility are September and October (9km).
The months with the lowest visibility are January, February, March, April and December (7km).