Gangtok, Sikkim Weather by Month and Climate Averages
March is the warmest month (average high 33°C) and February the coldest (average low 13°C).
Gangtok climate at a glance
Gangtok weather by month
Gangtok weather in October
In October, Gangtok averages a high of 32°C and a low of 21°C. The sun is out about 41% of daylight hours. The October record high is 38°C (2022) and the record low is 14°C (1983).
Sunshine, humidity and wind in Gangtok
November is the sunniest month in Gangtok, with sunshine about 54% of daylight hours. July is the cloudiest, at 4%. Over the year the sun shines about 30% of daylight hours. Gangtok is cloudier than 95% of India.
Humidity peaks in July at 90% and is lowest in April at 78%.
Gangtok has about 26 days a year above 32°C. Gangtok is cooler than 95% of India.
Gangtok weather records
The hottest temperature on record at the Gangtok station is 43°C, on August 18, 1983. The coldest is 0°C, on December 18, 1973.
The wettest day on record brought 244 mm of rain, on July 12, 2020.
21 all-time records have been set at the station since 1973.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Record high | Record low |
|---|---|---|---|---|---|---|
| January | 1.3 mm | 0 | 85% | 35% | 33° | 1° |
| February | 7.9 mm | 1 | 82% | 35% | 36° | 4° |
| March | 5.6 mm | 1 | 81% | 37% | 40° | 9° |
| April | 35 mm | 3 | 78% | 42% | 41° | 11° |
| May | 89 mm | 4 | 80% | 29% | 39° | 16° |
| June | 174 mm | 6 | 88% | 12% | 40° | 20° |
| July | 356 mm | 10 | 90% | 4% | 40° | 22° |
| August | 291 mm | 10 | 89% | 6% | 43° | 20° |
| September | 224 mm | 8 | 85% | 17% | 39° | 20° |
| October | 54 mm | 3 | 82% | 41% | 38° | 14° |
| November | 8.4 mm | 1 | 79% | 54% | 34° | 9° |
| December | — | — | 81% | 46% | 32° | 0° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Gangtok climate questions
What is the hottest month in Gangtok?
March is the warmest month in Gangtok, with an average high of 33°C.
What is the coldest month in Gangtok?
February is the coldest month in Gangtok, with an average low of 13°C.
What is the record high temperature in Gangtok?
The record high at the Gangtok station is 43°C, set on August 18, 1983. The record low is 0°C, on December 18, 1973.
What is the sunniest month in Gangtok?
November is the sunniest month in Gangtok, with sunshine about 54% of daylight hours. July is the cloudiest.
Source: NOAA GHCN-Daily station SILIGURI (82 km away).
Climate for places near Gangtok, Sikkim
Normals from NOAA GHCN-Daily station SILIGURI.