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Climate & Weather West Sikkim


The climate of Sikkim can be termed as temperate in broad terms. Sikkim enjoys the five seasons of summer, winter, monsoon, autumn and spring. However, the colonized regions are dominated by temperate climate, where temperature rarely goes 28 °C maximum in summers and drops below 0°C in winters.

The state has five seasons: winter, summer, spring, autumn, and a monsoon season between June and September. Sikkim's climate ranges from sub-tropical in the south to tundra in the north. Most of the inhabited regions of Sikkim experience a temperate climate, with temperatures seldom exceeding 28 °C (82 °F) in summer. 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 6,100 metres (20,000 ft) in the south of the state to 4,900 metres (16,100 ft) in the north. The tundra-type region in the north is snowbound for four months every year, and the temperature drops below 0 °C (32 °F) almost every night. In north-western Sikkim, the peaks are frozen year-round because of the high altitude, temperatures in the mountains can drop to as low as −40 °C (−40 °F) in winter. During the monsoon, heavy rains increase the risk of landslides. The record for the longest period of continuous rain in Sikkim is 11 days. Fog affects many parts of the state during winter and the monsoons, making transportation perilous

  • Cold Weather Season: December February
  • Spring Season: March May
  • South-West Monsoon: June September
  • Period of retreating Monsoon: October November

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