The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (-3.4°C).
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
The month with the highest relative humidity is July (94%).
Months with the lowest relative humidity are April and May (80%).
The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).
The month with most sunshine is May (Average sunshine: 5.6h).
The month with least sunshine is January (Average sunshine: 2.1h).