The best time to go to Dornbirn depends on your preferred activities, with the summer months (June to August) generally offering the most favourable weather for outdoor pursuits and winter (December to March) being ideal for snow sports.For those looking to explore the natural beauty of Vorarlberg, summer is perfect. The weather is typically warm and sunny, making it ideal for hiking in the nearby Alps, cycling along the Rhine, or enjoying a boat trip on Lake Constance. During this time, you can also easily access attractions like the Rappenloch Gorge, which is stunning when the water levels are high, and the Karren mountain for panoramic views.Winter sports enthusiasts will find Dornbirn a convenient base from December to March. While Dornbirn itself isn't a ski resort, it's well-connected by public transport to several excellent ski areas in Vorarlberg, such as Damüls Mellau and Bödele. The city itself also hosts festive Christmas markets, adding to the winter appeal.Should you prefer to avoid the peak tourist seasons and still enjoy pleasant weather for sightseeing and gentle walks, late spring (April-May) and early autumn (September-October) are good alternatives.