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Gangtok weather & best time to visit

Mountain air

Gangtok at a glance

Best time
Mar – Jun, Sep – Nov
Warmest month
Aug · 24°
Sunshine a year
1,350 h
Rain a year
5,119 mm
Climate
Highland
Time zone
UTC+5:30
Elevation
1,654 m

Climate in Gangtok

Gangtok has a highland climate: mild, spring-like days all year round and cool nights. August is the warmest month with average highs of 24 °C, while January is the coolest at 13 °C. With around 1,350 hours of sunshine a year, Gangtok is rather dull; April is the sunniest month with 4.8 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Gangtok

The best time to visit Gangtok is from March to June and from September to November. For sightseeing, day trips and hiking, the weather is pleasant all year round. The wettest month is July with 1,147 mm of precipitation.

Gangtok through the seasons

How the weather changes over the seasons, with averages for each.

Gangtok in spring

Mar – May

55

Fair

  • 18–23 °C by day
  • 4.5 h of sun a day
  • 80 rainy days in all

Gangtok in summer

Jun – Aug

51

Fair

  • 24 °C by day
  • 2.7 h of sun a day
  • 91 rainy days in all

Gangtok in autumn

Sep – Nov

53

Fair

  • 18–23 °C by day
  • 3.9 h of sun a day
  • 72 rainy days in all

Gangtok in winter

Dec – Feb

42

Fair

  • 13–15 °C by day
  • 3.6 h of sun a day
  • 71 rainy days in all

Which month for what?

Hiking & mountain trips

All year

13–27 °C in the village, little snow

Rainy months

All year

18 or more rainy days, often short showers and storms

Find your perfect month

Tell us what you like and we rate every month in Gangtok for you.

Sunshine
Little rain

Your best months: March – April, October

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

54

Holiday weather in October

Fair

Best time to visit: March – June, September – November

Good forSightseeing & walks

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 16°
  2. Midday, 13:00: about 21°
  3. Afternoon, 16:00: about 20°
  4. Evening, 20:00: about 16°
  5. Night, 23:00: about 14°

05:3417:08

Cool evenings: pack a jumper or a jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 05:20–06:06 · evening 16:37–17:22
Blue hour
Morning 05:11–05:20 · evening 17:22–17:31

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Gangtok compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 22° at the start of the month to 19° at the end. The days get 0.8 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high22°19°
Night-time low14°10°
Daylight11.9 h11.2 h

What is the weather like in Gangtok in October?

In October, Gangtok is warm: daytime highs average 21 °C, and nights cool down to about 12 °C. Expect around 4.3 hours of sunshine a day. It rains often – on about 23 days, adding up to 229 mm. All in all, October is a so-so month for a holiday in Gangtok – and yet one of the best months here.

More details for October

Daylight
11 h 33 min05:34 – 17:08
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
5 km/haverage daily peakAll months
Cloud cover
57 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+5:30offset from UTC

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %22 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in October

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Compare two months in Gangtok

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

October and April bring similar holiday weather to Gangtok (score 54 and 56). In April, days are 1 °C warmer than in October. April has 2 more rainy days. The sun shines an hour longer a day in April.

October vs April, Gangtok
MonthOctoberApril
Holiday weather score5456
Daytime high21°22°
Night-time low12°11°
Sunshine4.3 h4.8 hbetter
Rainy days23better25
Rainfall229 mm220 mm

Based on the climate averages 1996–2025.

Gangtok month by month

The typical weather for every month at a glance.

36January13° · 3.4 h

In January, Gangtok is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 3.4 hours a day. It rains often – on about 25 days, adding up to 238 mm. All in all, January is not an ideal month for a holiday in Gangtok.

Gangtok in January
45February15° · 3.5 h

In February, Gangtok is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. The sun is scarce, with only about 3.5 hours a day. It rains often – on about 24 days, adding up to 259 mm. All in all, February is a so-so month for a holiday in Gangtok.

Gangtok in February
55March18° · 4.4 h

In March, Gangtok is mild: daytime highs average 18 °C, and nights cool down to about 8 °C. Expect around 4.4 hours of sunshine a day. It rains often – on about 26 days, adding up to 261 mm. All in all, March is a so-so month for a holiday in Gangtok – and yet one of the best months here.

Gangtok in March
56April22° · 4.8 h

In April, Gangtok is warm: daytime highs average 22 °C, and nights cool down to about 11 °C. Expect around 4.8 hours of sunshine a day. It rains often – on about 25 days, adding up to 220 mm. All in all, April is a so-so month for a holiday in Gangtok – and yet one of the best months here.

Gangtok in April
55May23° · 4.4 h

In May, Gangtok is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. Expect around 4.4 hours of sunshine a day. It rains often – on about 29 days, adding up to 300 mm. All in all, May is a so-so month for a holiday in Gangtok – and yet one of the best months here.

Gangtok in May
52June24° · 3.5 h

In June, Gangtok is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sun is scarce, with only about 3.5 hours a day. It rains often – on about 30 days, adding up to 622 mm. All in all, June is a so-so month for a holiday in Gangtok – and yet one of the best months here.

Gangtok in June
50July24° · 2.2 h

In July, Gangtok is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sun is scarce, with only about 2.2 hours a day. It rains often – on about 31 days, adding up to 1,147 mm. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Gangtok.

Gangtok in July
50August24° · 2.5 h

In August, Gangtok is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sun is scarce, with only about 2.5 hours a day. It rains often – on about 31 days, adding up to 970 mm. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Gangtok.

Gangtok in August
51September23° · 3.4 h

In September, Gangtok is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sun is scarce, with only about 3.4 hours a day. It rains often – on about 28 days, adding up to 548 mm. All in all, September is a so-so month for a holiday in Gangtok – and yet one of the best months here.

Gangtok in September
54October21° · 4.3 h

In October, Gangtok is warm: daytime highs average 21 °C, and nights cool down to about 12 °C. Expect around 4.3 hours of sunshine a day. It rains often – on about 23 days, adding up to 229 mm. All in all, October is a so-so month for a holiday in Gangtok – and yet one of the best months here.

Gangtok in October
54November18° · 4.1 h

In November, Gangtok is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 4.1 hours of sunshine a day. It rains often – on about 21 days, adding up to 167 mm. All in all, November is a so-so month for a holiday in Gangtok – and yet one of the best months here.

Gangtok in November
46December15° · 3.8 h

In December, Gangtok is cool: daytime highs average 15 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 3.8 hours a day. It rains often – on about 22 days, adding up to 158 mm. All in all, December is a so-so month for a holiday in Gangtok.

Gangtok in December

Climate in detail

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Gangtok

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Cold 0–8°
  • Cool 8–15°
  • Pleasant 15–20°
  • muggy month (15+ muggy days)

CoolOctober: nights around 12°. A duvet at night and a jumper for the evening.

The coolest nights are in January (4°), the warmest in July (17°). Nights are pleasant for sleeping (15 to 20 °C) from June to September. Nights fall below 8 °C on average from December to February, so the room should be heated. It is muggy (dew point 18 °C or more) on about 65 days a year, mostly from July to August.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 21°Night 12°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan3613°4°3.4 h25238
FebruaryFeb4515°5°3.5 h24259
MarchMar5518°8°4.4 h26261
AprilApr5622°11°4.8 h25220
MayMay5523°14°4.4 h29300
JuneJun5224°17°3.5 h30622
JulyJul5024°17°2.2 h311,147
AugustAug5024°17°2.5 h31970
SeptemberSep5123°16°3.4 h28548
OctoberOct5421°12°4.3 h23229
NovemberNov5418°9°4.1 h21167
DecemberDec4615°6°3.8 h22158

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

27.33° N, 88.61° E · 1,654 m · Asia/Kolkata

Sunshine

Sunshine hours in Gangtok

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,350 hours
Sunniest month
Apr · 4.8 h a day
Least sunshine
Jul · 2.2 h a day
OctoberSunshine 4.3 hDaylight 11.6 hShare of daylight 37 %
SunshineDaylight

In October, the sun shines for about 4.3 of 11.6 hours of daylight in Gangtok, 37 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Gangtok: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
5,119 mm on 314 days
Wettest month
Jul · 1,147 mm
Driest month
Dec · 158 mm
OctoberRainy days 23Rainfall 229 mm

In October, Gangtok has about 23 rainy days with 229 mm of rain in total.

Sun protection

UV index in Gangtok

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
8 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.

The sun is strongest in June (UV 13).

Minutes until sunburn in October

Very fair skin
about 15 min
Fair skin
about 20 min
Light brown skin
about 30 min
Olive skin
about 35 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds

Wind and clouds in Gangtok

How breezy and how cloudy Gangtok is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
6 km/h · light breeze or less
Windiest month
Feb · 7 km/h
Calmest month
Oct · 5 km/h
OctoberWind 5 km/hBeaufort 1

In October, the wind in Gangtok typically peaks at 5 km/h during the day: Beaufort 1, light breeze or less.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
71 % · mostly cloudy
Clearest month
Nov · 57 %
Cloudiest month
Jul · 96 %
OctoberCloud cover 57 %Sunshine 4.3 h

In October, cloud covers on average 57 % of the sky over Gangtok: variable cloud, with about 4.3 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity

Heat and humidity in Gangtok

How often the day gets hot in Gangtok (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
0 days
Hottest month
Aug · 24 °C
Hot months
none

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 0Daytime high 21 °C

In October, Gangtok has about 0 hot days, with an average daytime high of 21 °C: pleasant. Heat plays no part this month.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Planning a trip to Gangtok

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Gangtok in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Gangtok has its best school-holiday weather during the Easter holidays (score 56) and its weakest during the Christmas holidays (score 41).

  • Easter holidays

    Mar – Apr

    56

    FairBest holidays

    • 21 °C by day
    • 4.7 h of sun a day
    • 25 rainy days a month

    Good for: Sightseeing & walks

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    54

    Fair

    • 23 °C by day
    • 4.2 h of sun a day
    • 29 rainy days a month

    Good for: Sightseeing & walks

    Keep in mind: Frequent rain

  • Summer holidays

    Jul – Aug

    50

    Fair

    • 24 °C by day
    • 2.4 h of sun a day
    • 31 rainy days a month

    Good for: Sightseeing & walks

    Keep in mind: Frequent rain

  • October half-term

    Oct

    54

    Fair

    • 21 °C by day
    • 4.3 h of sun a day
    • 23 rainy days a month

    Good for: Sightseeing & walks

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    41

    Fair

    • 14 °C by day
    • 3.6 h of sun a day
    • 24 rainy days a month

    Good for: Sightseeing & walks

    Keep in mind: Frequent rain

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 9 h 40 min
Distance
7,610 km
Time zone
UTC+5:30
Jet lag
About 5 days (5 h east)

Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Compare & alternatives

Compare

Gangtok compared

Put Gangtok side by side with another destination.

Nearby:
Compare with home:

Gangtok vs Siliguri

In October Gangtok has the better holiday weather (score 54 vs 44). During the day Siliguri is 9 °C warmer than Gangtok. Siliguri gets 2 more hours of sunshine a day.

Gangtok vs Siliguri, in October
in OctoberGangtokSiliguri
Holiday weather score5444
Daytime high21°30°
Sunshine4 h6 h
Rainy days239
Best timeMar – Jun, Sep – NovNov – Feb

Through the year

OctoberGangtok 21°Siliguri 30°
GangtokSiliguri
Go to Siliguri
Ranking

India in October: the best places

In October, Gangtok ranks 13 among the 31 nearest destinations in this country.

  1. Tawang19°74
  2. 2Siliguri30°62
  3. 3Ranchi29°62
  4. 4Ayodhya32°62
  5. 5Gorakhpur33°58
  6. 6Kushinagar32°57
  7. 7Shillong23°56
  8. 8Cherrapunji23°56
  9. 13GangtokThis page21°54
All destinations: India

Near Gangtok

Other destinations close by.

Places with a climate like Gangtok

Destinations whose weather through the year is closest to Gangtok's – good alternatives.

  1. 51 % similar51QuitoEcuador18°Best time: Apr – Oct
  2. 50 % similar74TawangIndia19°Best time: Oct – Nov
  3. 43 % similar55CuscoPeru18°Best time: all year
  4. 42 % similar56Sa PaVietnam22°Best time: Nov – Mar

Frequently asked questions about Gangtok

When is the best time to visit Gangtok?

The best time to visit Gangtok is from March to June and from September to November. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in Gangtok?

August is the warmest month, with average highs of 24 °C and nights around 17 °C. January is the coolest month at 13 °C.

When does it rain most in Gangtok?

The wettest month is July with 1,147 mm of precipitation. The driest month is December with 158 mm.

How many hours of sunshine does Gangtok get?

Gangtok gets around 1,350 hours of sunshine a year. The sunniest month is April with 4.8 hours a day; in July there are 2.2 hours a day.

What time zone is Gangtok in?

Gangtok is on UTC+5:30 all year.

How long is the flight from London to Gangtok?

A nonstop flight from London to Gangtok takes about 9 h 40 min, for a straight-line distance of about 7,610 km.

Which school holidays are best for Gangtok?

Gangtok has its best school-holiday weather during the Easter holidays (score 56) and its weakest during the Christmas holidays (score 41). Holiday ratings (0–100): Easter holidays 56, May half-term 54, summer holidays 50, October half-term 54, Christmas holidays 41.