Tallinn has a humid continental climate (Köppen climate classification ''Dfb'') with mild, rainy summers and cold, snowy winters. Winters are cold but mild for its latitude, owing to its coastal location. The average temperature in February, the coldest month, is . During the winter months, temperatures tend to hover close to the freezing mark but mild spells of weather can push temperatures above , occasionally reaching above  while cold air masses can push temperatures below  an average of 6 days a year. Snowfall is common during the winter months. Winters are cloudy and are characterised by low amounts of sunshine, ranging from only 20.7 hours of sunshine per month in December to 58.8 hours in February.