| Sikkim Climate |
| The climate ranges from sub-tropical in the south to tundra in the northern parts. The peaks of north-western Sikkim are perpetually frozen. Sikkim is one of the few states in India to receive regular snowfall. Most of the inhabited regions of Sikkim however has a temperate climate, with temperatures no higher than 28 °C in summer and rarely dropping below 0 °C in winter. The average annual temperature for most of Sikkim is around 18 °C. The state has five seasons: winter, summer, spring, and autumn, and a monsoon season between June and September. Summer The mean monthly temperature in summer is 15 °C. Monsoon During the monsoon heavy rains increase the possibility of landslides. The record for the longest period of continuous rain is 11 days. Winter In the northern region, because of high altitude, temperatures drop below -40 °C in winter. Fog also affects many parts of the state during winter. |