The warmest month (with the highest average high temperature) is July (8.5°C).
The month with the lowest average high temperature is March (-12.8°C).
Months with the highest average low temperature are July and August (3°C).
The coldest month (with the lowest average low temperature) is March (-19.9°C).
Wettest months (with the highest rainfall) are September and November (37mm).
Driest months (with the lowest rainfall) are January and February (16mm).
The best month for swimming (with the highest average sea temperature) is August (4.7°C).
Coldest months (with the lowest average sea temperature) are February, March and April (-1.5°C).