The best time to visit Chandratal Lake, a pristine water body in the Spiti Valley of Himachal Pradesh, India, is during the summer months from June to early October. During this period, the snow from the surrounding mountains has melted, and the lake is accessible. The temperatures are moderate, making it ideal for trekking and camping near the lake. The lake remains frozen from late October to May, making it inaccessible due to heavy snowfall and road blocks. Travelers can fully appreciate the mesmerizing shades of blue in the clear water, and the vibrant flora and fauna around the lake are a treat for nature enthusiasts.
June and July offer pleasant weather, with daylight lasting longer, providing more time for exploration and enjoying the lake's serene surroundings. However, as the peak tourist season, accommodations can be scarce and a bit pricier. In August, the monsoon can make the roads challenging, but the landscapes are lush. For a tranquil experience with fewer tourists and to witness the crystal-clear reflections of the surrounding peaks in the lake, consider visiting in September. By early October, the temperature begins to dip, and the chance of experiencing early winter snowfall increases, which could be a dramatic sight, but also a signal that the end of the visiting season is near.