The best time to go to Gastes is during the summer months, from June to September, when the weather is warm and sunny, great for enjoying the lake and surrounding activities.During July and August, the weather is at its warmest, with average temperatures around 25°C. This is peak season, so the lake will be bustling with activities like swimming, paddleboarding, and sailing. The surrounding pine forests are ideal for cycling or walking, and you'll find many outdoor cafes and restaurants open. This period is particularly good for families looking for an active holiday with plenty of outdoor options.For those who prefer a slightly quieter experience but still want good weather, June and September are excellent choices. The temperatures are still very pleasant, typically in the low 20s°C, and there are fewer crowds. You can still enjoy all the water sports and outdoor pursuits, but with a more relaxed pace.