The most comfortable time to visit Gangtok is from September to early November, and again from April to early June. For walking, go from mid October to early April. Sunbathing weather is not what it offers.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
Sun is not what Gangtok is for: the Sunbathing rating tops out at 27, mostly because it is cloudy. The clearest skies come in November, when the sky is typically 36% covered at midday (partly cloudy).
The being outside season here runs from September to early November, with a second spell from April to early June. It peaks in mid October, at 68. The weakest stretch is in late January, when it drops to 11, mostly because it is too cold.
For walking, go from mid October to early April. It peaks in early December, at 64. Avoid July to August for this: it falls to 24, mostly because it is too warm.
The year, measured
The average temperature in Gangtok over the whole year is 15°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 2°C. The rainy (wet) season in Gangtok runs from April to October, peaking in July with a 61% chance of rain on a given day. The dry season is November to March; November is the driest month, at 17%. Winds in Gangtok are highest in April, averaging 1.7 m/s (6 km/h), and lightest in November, at 1.2 m/s (4 km/h). The prevailing wind is from the S. The clearest skies in Gangtok come in November, when the sky is typically 43% covered; July is the cloudiest month, at 86%.
Month by month Gangtok climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 11°C | 2°C | 9°C | 21% | 50% | 1.3 m/s | 15 | 3 | 62 |
| February | 13°C | 5°C | 11°C | 26% | 57% | 1.4 m/s | 22 | 10 | 59 |
| March | 16°C | 8°C | 15°C | 38% | 58% | 1.5 m/s | 45 | 14 | 60 |
| April | 19°C | 12°C | 19°C | 46% | 65% | 1.7 m/s | 58 | 12 | 53 |
| May | 20°C | 14°C | 20°C | 48% | 72% | 1.7 m/s | 56 | 12 | 44 |
| June | 21°C | 17°C | 23°C | 54% | 80% | 1.6 m/s | 54 | 20 | 32 |
| July | 21°C | 18°C | 24°C | 61% | 86% | 1.5 m/s | 51 | 24 | 27 |
| August | 22°C | 18°C | 25°C | 59% | 82% | 1.5 m/s | 51 | 26 | 26 |
| September | 21°C | 16°C | 23°C | 55% | 79% | 1.4 m/s | 55 | 20 | 34 |
| October | 19°C | 12°C | 20°C | 40% | 61% | 1.4 m/s | 63 | 11 | 54 |
| November | 17°C | 6°C | 16°C | 17% | 43% | 1.2 m/s | 44 | 15 | 61 |
| December | 13°C | 3°C | 12°C | 25% | 46% | 1.2 m/s | 20 | 11 | 60 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Gangtok weather by season
Year round, Gangtok has days of about 11°C at their warmest in January, its coolest month, and 22°C in August, its warmest; the coolest hours of the day run from 2°C to 18°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around July and least likely around November. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Gangtok weather in winterDecember to February
Winter in Gangtok has typical daily highs of about 12°C and lows of about 3°C, with a 24% chance of rain on a given day.
Gangtok weather in springMarch to May
Spring in Gangtok has typical daily highs of about 18°C and lows of about 11°C, with a 44% chance of rain on a given day.
Gangtok weather in summerJune to August
Summer in Gangtok has typical daily highs of about 22°C and lows of about 18°C, with a 58% chance of rain on a given day.
Gangtok weather in autumnSeptember to November
Autumn in Gangtok has typical daily highs of about 19°C and lows of about 12°C, with a 37% chance of rain on a given day.
When is the rainy season in Gangtok?
The rainy (wet) season in Gangtok runs from April to October, peaking in July with a 61% chance of rain on a given day. The dry season is November to March; November is the driest month, at 17%.
What time of year is Gangtok windiest?
Winds in Gangtok are highest in April, averaging 1.7 m/s (6 km/h), and lightest in November, at 1.2 m/s (4 km/h). The prevailing wind is from the S.
What is the average temperature in Gangtok year round?
The average temperature in Gangtok over the whole year is 15°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 2°C.
Where to go instead in late January, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.