Warmest months (with the highest average high temperature) are July and August (12°C).
The month with the lowest average high temperature is February (-5°C).
Months with the highest average low temperature are July and August (8°C).
The coldest month (with the lowest average low temperature) is January (-13°C).
The month with the highest number of rainy days is April (16 days).
The month with the lowest number of rainy days is September (9 days).