The best time to visit Waterville, Maine, is during the summer months, from June to August, or in the autumn, from September to October.Summer in Waterville offers pleasant weather, with average temperatures ranging from 20-25°C (68-77°F). This is ideal for enjoying outdoor activities such as exploring Quarry Road Trails, which are great for walking and cycling, or taking a stroll along the Kennebec River. Many local events, like the Waterville Rocks. concert series, also take place during this time, adding to the town's welcoming feel.Autumn is another excellent time to visit, especially for those who appreciate natural beauty. From September to October, the region's foliage transforms into a spectacular display of reds, oranges, and yellows. The crisp air and vibrant colours make it a lovely time for scenic drives or visiting local apple orchards and pumpkin patches.