The best time to go to Wallingford, Vermont, is during the summer and fall months for pleasant weather and outdoor activities.From June to August, summer offers warm days ideal for exploring the surrounding Green Mountains, swimming in local lakes, or hiking sections of the Appalachian Trail. The weather is generally sunny and comfortable for outdoor pursuits.For those who appreciate scenic beauty, the fall, particularly September and October, is an excellent time to visit. The foliage transforms into striking colors, making it superb for scenic drives, photography, and enjoying the crisp air.