The best time for Nathula travel is between May & June as climate remains utterly pleasant in these months. Nathula Pass witnesses heavy snowfall during winter and temperature of the region drops up to -25° C. However, if you want to enjoy snow, visit Nathula Pass in winter with heavy woolen clothes. The sight of the snowcapped mountains and stunning valleys can make you feel awed with the beauty of the world. From May to November, it is summer time in Nathula with temperature up to 10° C.