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 lowest rainfall) is March (8mm).
The month with the highest number of rainy days is November (15 days).
The month with the lowest number of rainy days is June (6 days).
The best month for swimming (with the highest average sea temperature) is August (5.2°C).
Coldest months (with the lowest average sea temperature) are March, April and May (-1.8°C).
Months with the longest days are June and July (Average daylight: 24h).
The month with shortest days is December (Average daylight: 0h).
Months with most sunshine are May, June and July (Average sunshine: 8h).
Months with least sunshine are January, November and December (Average sunshine: 0).
Months with the highest UV index are June and July (UV index 3).
Months with the lowest UV index are January, February, March, October, November and December (UV index 0).