Summer is a good time to visit gangtok, the sun shines brighter and the air gets warmer. The summer vacations also bring in the tourists in droves. The higher reaches of north and west Sikkim are still cooler and this is the time to visit this region. Average temperatures rise to 22°C and it get a bit stuffy. Sporadic showers may occur to cool the temperature. White water rafting on the Teesta, sightseeing tours of the area and visit to local viewpoints are the most popular activities making it the best season to visit Gangtok.