The warmest month (with the highest average high temperature) is July (11°C).
The month with the lowest average high temperature is March (-12°C).
The month with the highest average low temperature is July (5°C).
The coldest month (with the lowest average low temperature) is March (-19°C).
The wettest month (with the highest rainfall) is September (35mm).
The driest months (with the least rainfall) are January and March (12mm).
The months with the highest number of rainy days are March, April, September and November (9 days).
The months with the least rainy days are February, May, June and July (7 days).
The best month for swimming (with the highest average sea temperature) is September (3.4°C).
The coldest months (with the lowest average sea temperature) are February and March (-1.4°C).
The month with the longest days is August (Average daylight: 17h and 48min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
The month with the most sunshine is June (Average sunshine: 10h).
The months with the least sunshine are January and December (Average sunshine: 0).
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, October, November and December (UV index 0).