For the most pleasant weather and a wide range of activities, the best time to visit Vitznau is during the late spring, summer, and early autumn months, specifically from May to October.These months offer warmer temperatures, making it ideal for outdoor pursuits and enjoying the natural beauty of Lake Lucerne and Mount Rigi. You'll find all the boat services on the lake and mountain railways operating on their full summer schedules, providing maximum flexibility for exploring. This period is particularly good for couples looking to enjoy scenic hikes, boat trips, and dining al fresco with stunning views.If you're seeking a quieter experience with fewer crowds and don't mind cooler temperatures, late April or late October can also be lovely. The autumn colours around the lake are particularly striking, and while some services might be on a reduced schedule, the main attractions are still accessible.