The best time to visit Putnam Valley is during the spring and fall months, specifically from May to June and September to October, when the weather is most pleasant for outdoor activities.During springtime, the average daily temperatures range from the mid-50s to high 60s Fahrenheit (13-20°C), and the landscape is lush with new growth. This period is ideal for hiking the trails around Fahnestock State Park or enjoying a picnic by Lake Oscawana. The gentle weather makes it comfortable for couples or families to explore the natural beauty of the area without the intense heat of summer.Autumn in Putnam Valley, from September to October, offers cooler temperatures, typically in the 40s to 60s Fahrenheit (4-16°C), and spectacular fall foliage. The vibrant reds, oranges, and yellows of the changing leaves create a beautiful backdrop for scenic drives along local roads or apple picking at nearby orchards.