The warmest month (with the highest average high temperature) is July (8.5°C).
The month with the lowest average high temperature is February (-25.7°C).
The month with the highest average low temperature is July (4.7°C).
The coldest month (with the lowest average low temperature) is February (-29.9°C).
The month with the highest atmospheric pressure is May (1019.3mbar).
The month with the lowest atmospheric pressure is September (1010mbar).
The windiest month (with the highest average wind speed) is September (22.2km/h).
The calmest month (with the lowest average wind speed) is June (15.3km/h).
The months with the highest relative humidity are January and February (98%).
The month with the lowest relative humidity is July (71%).
The wettest month (with the highest rainfall) is July (18mm).
The driest month (with the least rainfall) is February (6mm).
The month with the highest number of rainy days is August (7.4 days).
The month with the least rainy days is February (0.3 days).
The month with the highest snowfall is October (72mm).
The month with the least snowfall is July (2mm).
The month with the highest number of snowfall days is December (19.7 days).
The month with the least snowfall days is July (0.3 days).
The best month for swimming (with the highest average sea temperature) is September (0.8°C).
The coldest month (with the lowest average sea temperature) is December (-1.8°C).
The month with the longest days is August (Average daylight: 17h and 30min).
The month with the shortest days is June (Average daylight: 0h and 0min).
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 6min).
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is December (11.5 days).
The month with the highest UV index is June (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
The months with the most cloud cover are February and December (Cloud cover 90).
The month with the least cloud cover is July (Cloud cover 42).
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March and December (7km).