Davos has an average of 126.7 days of rain per year and on average receives 999 mm (39.3 in) of precipitation. The wettest month is August during which time Davos receives an average of 135 mm (5.3 in) of precipitation. During this month there is precipitation for an average of 13.6 days. The month with the most days of precipitation is June, with an average of 14.2, but with only 120 mm (4.7 in) of precipitation. The driest month of the year is April with an average of 55 mm (2.2 in) of precipitation over 13.6 days
