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Gangtok Weather by Month
Average temperatures, rainfall and humidity for Gangtok, India, month by month, built from OpenWeather’s historical records. Use it to see what a typical Gangtok month looks like before you travel — then check the live Gangtok forecast for the days ahead.
Warmest month
August
24°C average high
Coolest month
January
6°C average low
Wettest month
July
207 mm of rain
Driest month
December
19 mm of rain
Average temperature and rainfall in Gangtok by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 15°C | 6°C | -5°C / 32°C | 23 mm | 69% | 5 km/h |
| February | 17°C | 7°C | -3°C / 32°C | 40 mm | 64% | 5 km/h |
| March | 21°C | 10°C | 2°C / 35°C | 70 mm | 58% | 6 km/h |
| April | 23°C | 13°C | 5°C / 35°C | 81 mm | 60% | 6 km/h |
| May | 23°C | 14°C | 8°C / 34°C | 119 mm | 76% | 5 km/h |
| June | 23°C | 16°C | 12°C / 37°C | 183 mm | 86% | 4 km/h |
| July | 23°C | 17°C | 13°C / 34°C | 207 mm | 92% | 4 km/h |
| August | 24°C | 17°C | 12°C / 38°C | 170 mm | 91% | 4 km/h |
| September | 23°C | 16°C | 11°C / 36°C | 152 mm | 89% | 4 km/h |
| October | 23°C | 13°C | 6°C / 34°C | 52 mm | 79% | 5 km/h |
| November | 20°C | 10°C | 3°C / 32°C | 23 mm | 73% | 5 km/h |
| December | 16°C | 7°C | 0°C / 32°C | 19 mm | 71% | 5 km/h |
Best time to visit Gangtok
The most comfortable time to visit Gangtok is generally April and October to November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around July, totalling about 1,138 mm a year.
Travellers who prefer heat should aim for August, when highs average 24°C. July is the month to avoid if rain would spoil your plans — it averages 207 mm, roughly 11× the rainfall of the driest month (December).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Gangtok forecast for what is happening now.
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