The best time to go to Camp Nelson for pleasant weather and full access to attractions is generally from late spring to early autumn, specifically June through September.During these months, the weather is typically warm and sunny, with daytime temperatures often ranging from 20°C to 30°C. This period is ideal for outdoor activities like hiking, fishing, and exploring the Giant Sequoia National Monument. All roads and visitor facilities, including those leading to the higher elevations and more remote trails, are usually open and easily accessible.For those who enjoy cooler temperatures and fewer crowds, late May and early October can also be good options. In May, you might still encounter some lingering snow at higher elevations, but the wildflowers begin to bloom beautifully. October brings stunning autumn foliage, particularly around the Tule River, though temperatures will be noticeably cooler, especially in the evenings, and some facilities may start to close for the season.Winter, from November to April, sees significant snowfall, transforming Camp Nelson into a winter wonderland. While beautiful, many roads become impassable, and facilities close.