Climate of Sikkim The state has five seasons: winter, summer, spring, autumn, and monsoon season. 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). Majestic climate of sikkim Sikkim is one of the few states in India to receive regular snowfall. The snow line ranges from 6,100 meters (20,000 ft.) in the south of the state to 4,900 meters (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 rains in Sikkim is 11 days. Fog affects many parts of the state during winter and the monsoons, making transportation perilous. Features of Sikkim Sikkim is the second smallest state after Goa , but it has many physical features like forests, rivers and mountains around its edges. Most of the mountains are above 6100 meters (2000 ft.) are near the west of the occupied territory, like Mt. Kanchendzonga. Other mountains that are above 6100 meters (2000 ft.) tall are Kabru (the second tallest), Sinilchu, Pandim, Rothong, Kokthang, Talung Kanglakhang, Simvo & Jonsang. On the east side the tallest peak is Paunhri, which is about 6700 meters (22000 ft.) tall. The other mountains that are a little bit shorter than 6100 meters (20000 ft.) are Masthonangye, Yabukjakchen, Narsing and Lamaonden. Most of the mountains in Sikkim have never been climbed, because the Sikkimese consider them sacred. They feel that when the mountains are climbed, they will not be holy anymore. Sikkim has many hot springs which are known to be good for health. The most important hot-springs are at Phurchachu (Reshi), Yumthang, Borang, Ralang, Taram-chu and Yumey Samdong. All these hotsprings have a lot of sulfur and are near the river banks. The average temperature of the water in these hot springs is 50 °C.