Gangtok (Sikkim) weather in October

October in Gangtok: nice, soaked, with clean air — fine if you can take 23 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Gangtok🇮🇳 India · Himalaya · City72
  1. 62Jan
  2. 59Feb
  3. 64Mar
  4. 76Apr
  5. 67May
  6. 61Jun
  7. 55Jul
  8. 58Aug
  9. 60Sep
  10. 72Oct
  11. 82Nov
  12. 74Dec

#4 of 12 months in Gangtok · #817 of 1413 destinations to visit in October · comfort 72/100 (tier B)

Days
21°C
Nights
15°C
Wet days
23
Sun
8.3 h
Humidity
84%
Daylight
12 h
Gangtok, India
Photo: Sajal Devnath · Pexels

Traveller notes on Gangtok in October

Notes from nearby Paro (80 km away)

Gangtok doesn't have its own notes for October yet — these are about Paro, close enough to share the season.

Paro-forum threads on October weather are consistent this is one of the best months to be in Bhutan, warm, clear days that regulars call ideal for the Rinpung Dzong and surrounding valley, though mornings and evenings turn noticeably chilly by comparison. Posters describe nighttime temperatures capable of dropping right down toward zero on a clear night, real layers standing advice regardless of how warm the afternoon felt. Rain isn't generally expected this time of year, though a light waterproof is still recommended as routine packing. Some posters link October to the Paro Tsechu festival, though regulars note the actual dates shift year to year and more commonly fall in spring, worth checking the specific year's calendar first. Clear skies are called the real headline benefit of the month. The record: 22.9C days feeling like 23C, 9.4C nights, a notably high 161mm across nearly 15 days, 82 percent humidity and 9.3 hours of sun.
RinpungDzongOctoberRegular · October · 1 month ago · about Paro · Read more on tripadvisor.in ↗

Other months in Gangtok

Forum posters describe May in Gangtok as neither too hot nor too cold, genuinely pleasant, with typical temperatures around 15-22C, somewhat cooler in nearby Darjeeling and North Sikkim. Posters note occasional evening or overnight rain showers are common but rarely last long, recommending an umbrella or light rain jacket on hand regardless. Posters are direct that a trip up toward North Sikkim or Nathula still calls for heavy woolens given the altitude, and that snow remains visible at higher points like Yumesedong/Katao and Zero Point even in May, though not at Nathula itself this time of year. Posters consistently rate late May as one of the best, safest windows for the region, clear of the landslide risk that monsoon season brings later on. Posters generally rate May as pleasant and one of the peak, most reliable months to visit Gangtok.
Tripadvisor community · May · 1 month ago · Read more on Tripadvisor ↗
Forum posters call November a great time to visit, with the monsoon fully over and clear skies dominating - by month's end especially, rain is described as rare. Daytime is genuinely pleasant, but nights turn properly cold once the sun sets, with lows commonly down around 3-5C and winter conditions setting in for good by mid-month given the region's high elevation. Posters note real snow at nearby high-altitude points (Zero Point in North Sikkim, Nathula) becomes a realistic possibility from mid-November onward, though whether a specific visit actually sees snowfall is described as pure luck rather than something to count on. Heavy warm clothing is treated as essential for evenings and any higher-altitude day trip regardless of how mild Gangtok itself feels during the day.
Tripadvisor community · November · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Gangtok's card on the map.

Gangtok climate normals — October

Daytime high21°C / 69°F😎 nice
Nighttime low15°C / 58°F
Feels like (high)22°C / 72°F
Rainfall259 mm / 10.2 in⛈ soaked
Rainy days23 days
Humidity84%💦 very humid
Dew point15°C / 58°F
Sunshine8.3 h/day
Daylight11.5 h
Wind5 km/h / 3 mph
Air quality (US AQI)48🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Gangtok in October

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyAutumn break (Dussehra / Diwali) in India, school holidays in 2 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Gangtok's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherGangtok's best weather comes in April, November and December — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

What's on in Gangtok in October

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Rule

    Permits for the high roads

    1 Jan – 31 DecBook early

    Tsomgo Lake, Nathu La and everything north of Chungthang need a permit arranged a day ahead through a registered Sikkim operator, not bought on the spot. Nathu La itself is open to Indian nationals only. Source ↗

  • Season

    Wet season

    MonsoonRisk

    23 rainy days and about 259 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in October →

Nearby, and something's on

Within 300 km of Gangtok — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Gangtok?

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Gangtok in October — FAQ

Is October a good time to visit Gangtok?
October in Gangtok: nice, soaked, with clean air — fine if you can take 23 rainy days. It ranks #4 of 12 months for Gangtok on SeasonMap's comfort score (72/100).
What is the weather like in Gangtok in October?
In October, Gangtok averages a daily high of 20.6°C and a low of 14.7°C, with about 259.3 mm of rain over roughly 22.7 rainy days.
What is the air quality in Gangtok in October?
Gangtok has a mean US Air Quality Index of about 48 in October.

Within 300 km: Darjeeling's Clear season for Kanchenjunga around 15 Oct – 10 Dec, and Thimphu's Sustainable Development Fee on 1 Jan – 31 Dec.