The best time to go to Ashburnham is during the summer months, from June to August, when the weather is warm and conducive to outdoor activities, or in the fall, from September to October, for the spectacular foliage.Summer in Ashburnham offers pleasant temperatures, ideal for enjoying the town's natural beauty. Activities like hiking on Mount Watatic, boating on Lake Wampanoag, and exploring the numerous local trails are popular. Families will find this time particularly appealing, with opportunities for swimming, picnics, and engaging in outdoor sports without the chill of other seasons.For those who appreciate scenic beauty and a cooler climate, the fall is an excellent choice. Ashburnham is situated in an area renowned for its vibrant autumn colors, making it a prime destination for leaf-peeping.