Gangtok climate

Gangtok Weather in December

NASA POWER reanalysis for the half-degree grid cell around Gangtok, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 10°C on December 1 to 7°C on December 31, and lows from 0°C to -4°C. Normal precipitation for the month is 3 mm over about 0 wet days.

December day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Gangtok, in °C, with the record for each date.-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
8°C
Average low
-2°C
Precipitation
3 mm
Reanalysis high
14°CDec 19, 2008
Reanalysis low
-13°CDec 29, 2018
Daylight
10 h 33 min to 10 h 27 min
Cloud cover
60%
Humidity
59%
Dew point
-7°C
Wind
6.5 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 110°C0°C13°C 2011-6°C 19942%
Dec 210°C-1°C13°C 2014-7°C 19912%
Dec 39°C-1°C14°C 2014-7°C 20002%
Dec 49°C-1°C13°C 1993-6°C 20192%
Dec 59°C-1°C13°C 1993-6°C 19922%
Dec 69°C-1°C13°C 1993-8°C 19922%
Dec 79°C-1°C13°C 2016-4°C 19953%
Dec 89°C-1°C12°C 2017-5°C 20183%
Dec 99°C-1°C13°C 2016-6°C 19993%
Dec 109°C-2°C12°C 2008-7°C 20023%
Dec 119°C-2°C12°C 2017-7°C 19973%
Dec 129°C-2°C13°C 2016-7°C 20003%
Dec 139°C-2°C12°C 2016-7°C 19982%
Dec 148°C-2°C12°C 1994-7°C 20132%
Dec 158°C-2°C12°C 2006-9°C 20132%
Dec 168°C-2°C12°C 2006-8°C 20132%
Dec 178°C-3°C13°C 2000-7°C 19992%
Dec 188°C-3°C13°C 2008-10°C 20142%
Dec 198°C-3°C14°C 2008-8°C 20182%
Dec 208°C-3°C13°C 2016-10°C 20102%
Dec 218°C-3°C14°C 2016-9°C 19943%
Dec 228°C-3°C13°C 2000-8°C 20012%
Dec 238°C-3°C12°C 2000-9°C 19922%
Dec 247°C-3°C11°C 2007-8°C 19922%
Dec 257°C-4°C11°C 2006-8°C 20093%
Dec 267°C-4°C10°C 2007-9°C 20123%
Dec 277°C-4°C12°C 2007-11°C 20044%
Dec 287°C-4°C12°C 2007-9°C 20184%
Dec 297°C-4°C13°C 2004-13°C 20184%
Dec 307°C-4°C13°C 2004-11°C 20184%
Dec 317°C-4°C10°C 2011-9°C 19914%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Gangtok, in percent.0123451102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+5:30).

December 1
sunrise 6:08 AM, sunset 4:41 PM
December 31
sunrise 6:25 AM, sunset 4:52 PM

Every day of December: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.