The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (0.6°C).
The month with the highest average low temperature is August (18.5°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).