Climate averages 1991–2020
Gangtok weather
in May.
A mild, very wet month: the 5th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Gangtok: daytime highs average 20.2°C and nights cool to about 13.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 283 mm of rain on roughly 29 days, which makes May a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 29 min on an average May day.
The nearest other city in this atlas is Dārjiling (47 km away). In May its highs average 19.7°C, 0.5°C cooler than Gangtok, with 377 mm of rain.
Among the 692 cities listed in India, Gangtok ranks 691st of 692 for the warmest May highs and 672nd of 692 for the driest May (rainfall, lowest first). The mean May high of those 692 cities is 37.3°C; Gangtok is 17.1°C cooler than that mean.
From May to June, average highs rise by 1.0°C to 21.2°C, and monthly rainfall rises from 283 mm to 605 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Dārjiling in MayIndia · 47 kmHigh 19.7°C · Low 12.3°C · 377 mm rain
- Siliguri in MayIndia · 71 kmHigh 29.8°C · Low 22.1°C · 231 mm rain
- Jalpāiguri in MayIndia · 91 kmHigh 30.2°C · Low 22.8°C · 293 mm rain
- Jaigaon in MayIndia · 92 kmHigh 28.4°C · Low 22.3°C · 255 mm rain
- Thimphu in MayBhutan · 103 kmHigh 17.9°C · Low 9.4°C · 236 mm rain
- Koch Bihār in MayIndia · 139 kmHigh 29.8°C · Low 23.0°C · 561 mm rain
- Dharān in MayNepal · 144 kmHigh 29.9°C · Low 21.8°C · 127 mm rain
- Thākurgaon in MayBangladesh · 145 kmHigh 31.1°C · Low 23.3°C · 271 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.