Because of the proximity of the Baltic Sea (257 meters at the closest point), the country's climate is temperate continental. Winters last between 105 and 145 days, and summers last up to 150 days. The average temperature in January is -6°C, and the average temperature for July is about 18°C, with high humidity. Average annual precipitation ranges from 550 to 700 millimeters and is sometimes excessive.

Data as of 1995