The term 'Weather' implies a phenomena in the atmosphere of planet Earth. The phenomena is taken in aggregate over a short period of time-usually hours or days. Average weather conditions taken for a long period of time is referred to as climate of a particular place. The weather of Gangtok is bracing cool throughout the year (all 365 days plus leap year allocation)
The weather of Gangtok exhibit standard variations throughout the year. The mean temperature varies from 1.5 degrees centigrade to 9.5 degrees centigrade. The maximum temperature in Gangtok is recorded during the summer months ( July and August) and the minimum temperature in the months of December and January. Fog is common in Gangtok during the months starting from the month of May until the month of December. Snowfall is common on the upper reaches of Gangtok.
The weather of Gangtok undergoes a rainy season during the months from May to early October. Rainfall is heavy and well distributed in this time of the year. July is the wettest month in Gangtok. The highest rainfall may exceed 5000mm during any given year.
The minimum temperature recorded in Gangtok is 1 degree centigrade and the maximum temperature is 22 degrees centigrade.