Climate averages 1991–2020
Gangtok weather
in October.
A mild, very wet month: the 7th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Gangtok: daytime highs average 18.6°C and nights cool to about 12.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 216 mm of rain on roughly 23 days, which makes October a very wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 32 min on an average October day.
The nearest other city in this atlas is Dārjiling (47 km away). In October its highs average 18.1°C, 0.5°C cooler than Gangtok, with 164 mm of rain.
Among the 692 cities listed in India, Gangtok ranks 688th of 692 for the warmest October highs and 667th of 692 for the driest October (rainfall, lowest first). The mean October high of those 692 cities is 30.6°C; Gangtok is 11.9°C cooler than that mean.
From October to November, average highs fall by 3.4°C to 15.2°C, and monthly rainfall falls from 216 mm to 181 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Gangtok climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.9°C3.5°C | 3.5°C | 253 | 25.6 | 10.611 h |
| February | 12.3°C4.2°C | 4.2°C | 269 | 24.7 | 11.211 h |
| March | 16.1°C6.8°C | 6.8°C | 252 | 26.4 | 12.012 h |
| April | 18.9°C9.6°C | 9.6°C | 211 | 24.6 | 12.813 h |
| May | 20.2°C13.0°C | 13.0°C | 283 | 29.4 | 13.513 h |
| June | 21.2°C15.9°C | 15.9°C | 605 | 29.5 | 13.814 h |
| July | 21.0°C16.3°C | 16.3°C | 1,126 | 31.0 | 13.714 h |
| August | 21.2°C16.1°C | 16.1°C | 908 | 30.8 | 13.113 h |
| September | 20.5°C15.2°C | 15.2°C | 508 | 28.4 | 12.312 h |
| October, selected | 18.6°C12.3°C | 12.3°C | 216 | 23.0 | 11.512 h |
| November | 15.2°C8.6°C | 8.6°C | 181 | 21.0 | 10.811 h |
| December | 12.4°C5.9°C | 5.9°C | 173 | 22.8 | 10.510 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Dārjiling in OctoberIndia · 47 kmHigh 18.1°C · Low 10.8°C · 164 mm rain
- Siliguri in OctoberIndia · 71 kmHigh 28.4°C · Low 19.8°C · 116 mm rain
- Jalpāiguri in OctoberIndia · 91 kmHigh 29.1°C · Low 21.2°C · 145 mm rain
- Jaigaon in OctoberIndia · 92 kmHigh 27.1°C · Low 20.0°C · 107 mm rain
- Thimphu in OctoberBhutan · 103 kmHigh 16.0°C · Low 8.0°C · 139 mm rain
- Koch Bihār in OctoberIndia · 139 kmHigh 29.3°C · Low 21.7°C · 171 mm rain
- Dharān in OctoberNepal · 144 kmHigh 27.1°C · Low 19.1°C · 73 mm rain
- Thākurgaon in OctoberBangladesh · 145 kmHigh 29.5°C · Low 21.5°C · 116 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Gangtok) is explained once on the Gangtok year overview and on the Sources, method and limits page.