 The month with the most days of precipitation is May, with an average of 14.1, but with only of rain or snow.The driest month of the year is February with an average of of precipitation over 10.2 days.In Marsens about 338 or (30.1%) of the population have completed non-mandatory upper secondary education, and 118 or (10.5%) have completed additional higher education (either university or a "Fachhochschule").