The warmest month (with the highest average high temperature) is July (29.4°C).
The month with the lowest average high temperature is January (-1.1°C).
The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (-10°C).
The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 15min).