The region of Keylong experiences cold and moderate climate during summers. However, during the winter season the place is cut off from the rest of the world as the highway gets blocked because of heavy snowfall. Rainfall in the region is negligible.
(May to October): The summer season starts in May and lasts till October. The maximum and minimum temperature of Keylong during this time has been recorded at 30� C and 15� C, respectively.
(November to April): November marks the onset of the winter season in Keylong that lasts till the month of April. The maximum and minimum temperature of this place during the winter is recorded at 5.7� C and -16.9� C, respectively. The region experiences heavy snowfall and roads get blocked during this time.