Stans has an average of 137.7 days of rain per year and on average receives 1,224 mm (48.2 in) of precipitation. The wettest month is August when Stans receives an average of 166 mm (6.5 in) of precipitation on 13.6 days. The month with the most days of precipitation is June, with an average of 14.2, but with only 156 mm (6.1 in) of precipitation. The driest month of the year is January with an average of 65 mm (2.6 in) of precipitation over 13.6 days
