Lucerne’s weather can be described to be Oceanic Climate. Rainfall is spread over the year, though autumn sees a lot more rains than the other months. Lucerne can easily be visited anytime of the year.
Though it is usually said that there is no best time to visit Lucerne and it can be visited around the year, if you want to enjoy sightseeing in the sun then the months of March to August are perfect for your visit. Though if you want to catch a sight of some Swiss snow then plan a visit in the winters. The hotel rates would also be more affordable during this off season.