The best time to visit Feldkirchen An Der Donau is during the summer months, from June to August, when the weather is warm and conducive to outdoor activities.During this period, the Danube River, which borders Feldkirchen, is superb for boat trips, swimming, and cycling along its banks. The warm weather also allows for comfortable exploration of the Feldkirchen area's many hiking trails and the nearby lake, Badesee Feldkirchen, which is popular for swimming and sunbathing. This time of year is ideal for families looking for an active vacation.Couples might also enjoy the shoulder seasons of May and September.