Vilnius has a humid continental climate. Summers (June to August) are warm, with daytime temperatures often topping 72°F (22°C), although average temperatures are closer to 62°F (17°C). June is the rainiest month of the year. Winter (December to February) is very cold, with temperatures rarely climbing above 32°F (0°C) and often dropping below 16°F (-9°C). Lakes and rivers freeze over at this time of year.