The warmest month (with the highest average high temperature) is July (20°C).
Months with the lowest average high temperature are January and February (-1°C).
The month with the highest average low temperature is July (12°C).
Coldest months (with the lowest average low temperature) are January and February (-7°C).
The month with the longest days is June (Average daylight: 18.6h).
The month with shortest days is December (Average daylight: 6.1h).