Gangtok weather in December
December in Gangtok: cool, rainy, with very humid — fine if you can take 22 rainy days.
#5 of 12 months in Gangtok · #417 of 897 destinations to visit in December · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Gangtok in December
No notes yet. Open Gangtok on the map to add the first one.
Gangtok climate normals — December
| Daytime high | 13°C / 55°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Rainfall | 137 mm / 5.4 in | 🌧 rainy |
| Rainy days | 22 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 7°C / 45°F | |
| Sunshine | 8.3 h/day | |
| Daylight | 10.4 h | |
| Wind | 6 km/h / 4 mph | |
| Air quality (US AQI) | 76 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Gangtok?
Loading map…
Gangtok in December — FAQ
- Is December a good time to visit Gangtok?
- December in Gangtok: cool, rainy, with very humid — fine if you can take 22 rainy days. It ranks #5 of 12 months for Gangtok on SeasonMap's comfort score (73/100).
- What is the weather like in Gangtok in December?
- In December, Gangtok averages a daily high of 12.6°C and a low of 6.6°C, with about 137.1 mm of rain over roughly 22 rainy days.
- What is the air quality in Gangtok in December?
- Gangtok has a mean US Air Quality Index of about 76 in December.