Gangtok (Sikkim) weather in April

April in Gangtok: nice, soaked, with muggy air — fine if you can take 25 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Gangtok🇮🇳 India · Himalaya · City76
  1. 62Jan
  2. 59Feb
  3. 64Mar
  4. 76Apr
  5. 67May
  6. 61Jun
  7. 55Jul
  8. 58Aug
  9. 60Sep
  10. 72Oct
  11. 82Nov
  12. 74Dec

#2 of 12 months in Gangtok · #842 of 1413 destinations to visit in April · comfort 76/100 (tier B)

Days
21°C
Nights
13°C
Wet days
25
Sun
10 h
Humidity
81%
Daylight
13 h
Gangtok, India
Photo: Sajal Devnath · Pexels

Traveller notes on Gangtok in April

Notes from nearby Darjeeling (47 km away)

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

Darjeeling-forum threads on April weather call this genuinely mid-season locally, posters describing the strongest windows as April through June and then September through December. Regulars call conditions mostly tourist-friendly this month, pleasant to slightly cool with a real but limited chance of showers. Posters call hotel occupancy generally manageable in April, though booking ahead with family in tow is still recommended for peace of mind. Regulars call the toy train, tea gardens and Tiger Hill sunrise viewpoint all real April highlights, mountain visibility considered better here than during the hazier pre-monsoon months elsewhere in the country. Posters recommend real layers for the morning and evening chill despite comfortable daytime warmth, hill station elevation here making a genuine difference. The record: 17.6C days feeling like 17C, 8.7C nights, an extraordinarily high 377.1mm across over 28 days and 83 percent humidity.
DarjeelingAprilRegular · April · 1 month ago · about Darjeeling · Read more on Tripadvisor ↗

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 — April

Daytime high21°C / 70°F😎 nice
Nighttime low13°C / 55°F
Feels like (high)22°C / 72°F
Rainfall248 mm / 9.8 in⛈ soaked
Rainy days25 days
Humidity81%💦 very humid
Dew point13°C / 55°F
Sunshine10 h/day
Daylight12.8 h
Wind6 km/h / 4 mph
Air quality (US AQI)87🙂 moderate

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

Crowds in Gangtok in April

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.

BusySummer vacation (Kerala / far south) 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).

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

April includes Rhododendron bloom.

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Best weatherFair weatherToughest weather

What's on in Gangtok in April

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 ↗

  • Nature

    Rhododendron bloom

    1 Apr – 15 May · usuallyWildflowers & blooms

    Sikkim has three dozen rhododendron species and the sanctuaries at Barsey and Shingba are set aside for them. Peak climbs with altitude through the spring, so something is always out somewhere between the valley and Yumthang. Source ↗

  • Season

    Wet season

    MonsoonRisk

    25 rainy days and about 248 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in April →

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 April — FAQ

Is April a good time to visit Gangtok?
April in Gangtok: nice, soaked, with muggy air — fine if you can take 25 rainy days. It ranks #2 of 12 months for Gangtok on SeasonMap's comfort score (76/100).
What is the weather like in Gangtok in April?
In April, Gangtok averages a daily high of 20.9°C and a low of 13°C, with about 248.2 mm of rain over roughly 25.2 rainy days.
What is the air quality in Gangtok in April?
Gangtok has a mean US Air Quality Index of about 87 in April.

Within 300 km: Darjeeling's First flush tea around 10 Mar – 30 Apr, and Thimphu's Sustainable Development Fee on 1 Jan – 31 Dec.