 The average coldest month was January with an average temperature of , while the warmest month was July with an average temperature of .In Cevio about 146 or (29.4%) of the population have completed non-mandatory upper secondary education, and 40 or (8.0%) have completed additional higher education (either university or a "Fachhochschule").Of the 40 who completed tertiary schooling, 50.0% were Swiss men, 35.0% were Swiss women.