The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is February (0.4°C).
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
The windiest month (with the highest average wind speed) is December (25.5km/h).
The calmest month (with the lowest average wind speed) is May (16.9km/h).
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are May, June and August (75%).
The wettest months (with the highest rainfall) are July and October (67mm).
The driest month (with the least rainfall) is April (20mm).
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (9 days).
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
The month with the highest number of snowfall days is January (15.3 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 (18.9°C).
The coldest month (with the lowest average sea temperature) is March (1.2°C).
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 48min).
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
The month with the most sunshine days is May (15.7 days).
The month with the least sunshine days is December (4.4 days).
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
The month with the most cloud cover is December (Cloud cover 77).
The months with the least cloud cover are June and August (Cloud cover 34).
The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is January (8km).