The ideal time to visit Saint-Tropez for a luxurious getaway is during the summer months, from June to September. This period offers warm weather and ensures that you can fully enjoy the beautiful beaches and outdoor activities. The town also comes alive with vibrant energy during this time, thanks to various events like film festivals and international regattas. However, it's important to note that prices may be higher and crowds more significant during peak season. For a more tranquil experience, consider visiting during spring or early autumn when the weather is still pleasant but there are fewer tourists around.