The best time to visit Tottenham, Ontario, is during the late spring, summer, and early fall months, from May through October, for the most pleasant weather and access to outdoor activities.During these months, the weather is generally mild and comfortable, making it ideal for exploring the area's natural beauty, such as the Tottenham Conservation Area or the nearby trails. Summer, in particular, offers warm temperatures great for enjoying local events and outdoor dining.For those interested in fall foliage, late September to mid-October provides a beautiful display of colors in the surrounding countryside, making it a great time for scenic drives and walks.