Yerevan features a continental influenced steppe climate , with long, hot, dry summers and short, but cold and snowy winters. This is attributed to Yerevan being on a plain surrounded by mountains and to its distance from the sea and its effects. The summers are usually very hot with the temperature in August reaching up to 40 °C (104 °F), and winters generally carry snowfall and freezing temperatures with January often being as cold as −15 °C (5 °F) and lower. The amount of precipitation is small, amounting annually to about 318 millimetres (12.5 in). Yerevan experiences an average of 2,700 sunlight hours per year.