The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-7.4°C).
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-14.6°C).
The month with the highest atmospheric pressure is September (1015.6mbar).
The month with the lowest atmospheric pressure is July (1011.5mbar).
The windiest month (with the highest average wind speed) is January (15.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.1km/h).
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is June (76%).
The wettest month (with the highest rainfall) is December (69mm).
The driest months (with the least rainfall) are February and September (47mm).
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is February (5.3 days).
The month with the highest snowfall is February (273mm).
The months with the least snowfall are June, July, August and September (0mm).
The month with the highest number of snowfall days is February (20 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 July (13.7°C).
The coldest month (with the lowest average sea temperature) is February (-0.6°C).
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is February (8.8 days).
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 38).
The months with the highest visibility are June, July, August, September, October and November (9km).
The months with the lowest visibility are February, March and April (7km).