Namchi is located at 27.17°N 88.35°E.[1] It has an average elevation of 1315 metres (4314 feet).


Sikkim's climate ranges from sub-tropical in the south to tundra in the northern parts. The tundra-type region in the north is clad by snow for four months every year, and the temperature drops below 0 °C (32 °F) almost every night.The peaks of north-western Sikkim are perpetually fro-zen. Most of the inhabited regions of Sikkim, however, experience a temperate climatev, with the temperatures seldom exceeding 28 °C (82 °F) in summer or dropping below 0 °C (32 °F) in winter; the mean monthly summer temperature is 15 °C.[40]




The state has five seasons: winter, summer, spring, autumn, and a monsoon season between June and September. The average annual temperature for most of Sikkim is around 18 °C (64 °F). Sikkim is one of the few states in India to receive regular snowfall.



The snow line ranges from 20,000 feet in the north of the state to 16,000 feet in the south. During the monsoon, heavy rains increase the risk of landslides. The record for the longest period of continuous rain in Sikkim is 11 days. In the northern region, because of the high altitude, temperatures can drop below −40 °C (−40 °F) in winter. Fog affects many parts of the state during winter and the monsoons, making transportation perilous