Basel Weather

Under the Köppen system, Basel features a continental-influenced oceanic climate (Köppen: Cfb), due to its relatively far inland position. The city averages 120.4 days of rain or snow annually and on average receives 842 mm (33.1 in) of precipitation. The wettest month is May during which time Basel receives an average of 99 mm (3.9 in) of rain. The month with the most days of precipitation is also May, with an average of 12.4 days. The driest month of the year is February with an average of 45 mm (1.8 in) of precipitation over 8.4 days.