The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (5.6°C).
The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).