The warmest month (with the highest average high temperature) is July (8°C).
The month with the lowest average high temperature is March (-16.4°C).
The month with the highest average low temperature is August (2.5°C).
The coldest month (with the lowest average low temperature) is March (-23.2°C).
The wettest month (with the highest rainfall) is September (38mm).
The driest month (with the least rainfall) is March (8mm).
The month with the highest number of rainy days is November (15 days).
The month with the least rainy days is June (6 days).
The best month for swimming (with the highest average sea temperature) is August (5.2°C).
The coldest months (with the lowest average sea temperature) are March, April and May (-1.8°C).
The month with the longest days is April (Average daylight: 17h and 18min).
The months with the shortest days are June, July and December (Average daylight: 0h and 0min).
The months with the most sunshine are May, June and July (Average sunshine: 8h).
The months with the least sunshine are January, November and December (Average sunshine: 0h).
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 0).