The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (0.9°C).
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
The month with the longest days is June (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8.4h).