The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0°C).
The month with the highest average low temperature is August (17.2°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).