The ideal weather for visiting Switzerland's scenic areas occurs from late May to September due to pleasant temperatures. To experience fewer crowds, tourists should visit Switzerland between late October and November or in city locations from January to March. Ski enthusiasts find that late January offers prime conditions with accumulated snow and quieter slopes. With the Alps as its biggest draw, Switzerland has traditionally been a biannual destination, drawing visitors to its summer mountain scenery and winter slopes. Summer visitors come to savor iconic vistas, like mountain villages bordering sparkling alpine lakes, or to hike scenic trails below glacier-capped peaks. Come winter, skiers rush to areas like Zermatt and St. Moritz. More recently, travelers have discovered the charms of historic cities like Zurich and Geneva, and are adding them to their itineraries.…