While many think of Switzerland as a permanent winter wonderland, the presence of snow depends entirely on the altitude and the season. In the High Alps (Bernese Oberland, Valais, and Graubünden), you can find snow year-round on the glaciers and highest peaks. Famous destinations like Zermatt, Saas-Fee, and Jungfraujoch offer "guaranteed" snow even in the middle of summer. However, for the majority of the country, including major cities like Zurich, Geneva, and Lucerne, snow is a seasonal event typically occurring between December and March. The "Snow Line" usually sits around 1,000 to 1,200 meters during the winter, meaning mountain villages like Grindelwald, St. Moritz, and Davos will be blanketed in white, while the lower "Plateau" regions might just see rain or light slush. In 2026, as climate patterns shift, lower-altitude ski resorts have become less reliable, making the high-altitude resorts in the Valais region the most dependable spots for winter sports. If your goal is to see snow in the summer, your best bet is to take a mountain railway or cable car to a peak above 3,000 meters, where the temperatures remain freezing and the glaciers persist.