When considering the best time to visit Rivaz, it largely depends on whether you prefer the mild, sunny weather ideal for outdoor activities or the quiet beauty of the off-season.For those who enjoy warm weather and outdoor pursuits, the summer months from June to September are ideal. During this time, the Lavaux vineyards, a UNESCO World Heritage site, are lush and green, making it great for hiking or cycling along the terraced paths. The lake is also inviting for boat trips, and many local festivals take place, offering opportunities to taste local wines and cuisine.If you prefer a quieter experience with fewer crowds and are interested in the harvest season, late September to October is an excellent choice. The vineyards take on beautiful autumn colors, and you can observe the grape harvest firsthand. While the weather is cooler, it's still pleasant for walks, and you'll find a more relaxed pace throughout the region.