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).
Driest months (with the lowest rainfall) are January and March (12mm).
Months with the highest number of rainy days are March, April, September and November (9 days).
Months with the lowest number of 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).
Coldest months (with the lowest average sea temperature) are February and March (-1.4°C).
The month with the longest days is June (Average daylight: 24h).
The month with shortest days is December (Average daylight: 0h).
The month with most sunshine is June (Average sunshine: 10h).
Months with least sunshine are January and December (Average sunshine: 0).
The month with the highest UV index is June (UV index 4).
Months with the lowest UV index are January, February, October, November and December (UV index 0).