The warmest month (with the highest average high temperature) is July (29.6°C).
The month with the lowest average high temperature is January (4.2°C).
The month with the highest average low temperature is July (17.7°C).
The coldest month (with the lowest average low temperature) is January (-2.7°C).
The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.9h).