Leukerbad has an average of 121.9 days of rain or snow per year and on average receives 1,188 mm (46.8 in) of precipitation. The wettest month is December during which time Leukerbad receives an average of 130 mm (5.1 in) of rain or snow. During this month there is precipitation for an average of 10.2 days. The month with the most days of precipitation is August, with an average of 11.4, but with only 103 mm (4.1 in) of rain or snow. The driest month of the year is April with an average of 72 mm (2.8 in) of precipitation over 9.9 days
