Gangtok weather exhibits a subtropical highland climate. As Gangtok is located at the altitude of 1437 meters, it experiences a moderate temperature and the weather remains pleasant all round the year. The average yearly temperature of Gangtok is recorded to be 18°c. The major seasons experienced in Gangtok are; summer, monsoon, winter, autumn and spring.
Summer : Summer in Gangtok extends from April end to June. Weather remains modest in summer with 22°c being the average maximum temperature and 13°c, the minimum temperature. Temperature very rarely crosses the limit of 25°c even in summer..
Monsoons : Gangtok experiences heavy cloudburst during monsoon and sometimes even landslides are caused due to rains. Monsoon in Gangtok ranges from June to September. Average annual rainfalls being 3890 mm, Gangtok is a place that receives the highest deluge in the entire region. Pre monsoon rains visit Gangtok in May.
Winter: Winter in Gangtok extends from November to March. Foggy mornings and chilly nights are the unique features of winter here. Average temperature in winter is reported to be around 7°c to 4°c. Sometimes the temperature even goes down to -0.48°c too. It is especially cold in Gangtok when there are snowfalls.
Autumn in Gangtok ranges between September and October. This is the most pleasant season with very less humidity. And Spring here is characterized with mild and sunny weather.