The warmest month (with the highest average high temperature) is July (31.4°C).
The month with the lowest average high temperature is January (2.6°C).
The month with the highest average low temperature is August (20.2°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).