The best time to go to Neuville-Sur-Ain is during the late spring to early autumn months, specifically from May to September, when the weather is most pleasant for outdoor activities.During these months, you'll experience mild to warm temperatures, ideal for exploring the natural beauty of the Ain department. This period offers the most sunshine and the least chance of rain, making it great for enjoying the riverside activities along the Ain River, such as kayaking or picnicking.Families will find the summer months (July and August) particularly appealing. Many local events and outdoor festivals take place, and the warmer temperatures are suitable for swimming in the river or nearby lakes. The longer daylight hours also allow for extended exploration of the surrounding villages and the Jura Mountains.For couples seeking a quieter experience with pleasant weather, May, June, and September are excellent choices. During these shoulder seasons, the crowds are smaller, and the natural landscapes are still lush and inviting for walks or cycling tours.