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Weather & Climate in Gangtok, India
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gangtok enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 56°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 192 sunny days per year. Annual precipitation totals 126.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 5,427 feet.
Temperature
56°F Jan (13°C)
75°F Jul (24°C)
| Annual Average | 67.6°F |
| 25% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 192 days/yr |
Geography
| Elevation | 5,427 ft (1,654 m) |
| Area | 7.4 sq mi (19.2 km²) |
| Population Density | 13,534/sq mi |
| Coordinates | 27.3257°N, 88.6122°W |
| Timezone | Asia/Kolkata |
Precipitation & Snow
Air Quality
Earthquake History
102 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Sep 18, 2011 | 43 km NW of Mangan, India | M6.9 | 64 km | 50 km |
| Mar 25, 2003 | 14 km SSE of Ha, Bhutan | M5.5 | 71 km | 47 km |
| Jan 9, 1990 | 86 km NNW of Mangan, India | M5.5 | 109 km | 79 km |
| Feb 14, 2006 | 16 km NE of Gyalshing, India | M5.3 | 23 km | 30 km |
| Oct 3, 2013 | 11 km WNW of Singtam, India | M5.2 | 21 km | 10 km |
| Apr 5, 2021 | 35 km NNW of Samtse, Bhutan | M5.2 | 36 km | 10 km |
| Nov 26, 1998 | 62 km NW of Gyalshing, India | M5.1 | 85 km | 73 km |
| Apr 27, 2015 | 13 km ESE of Il?m, Nepal | M5.1 | 75 km | 32 km |
| Dec 2, 2001 | 7 km WNW of Naya B?z?r, India | M5.1 | 48 km | 33 km |
| Nov 27, 1997 | 30 km NNE of Kh??db?ri??, Nepal | M5.1 | 129 km | 33 km |
| Apr 26, 1996 | 73 km NW of Gyalshing, India | M5.0 | 96 km | 33 km |
| Dec 8, 1997 | 11 km NNW of Kh??db?ri??, Nepal | M5.0 | 143 km | 33 km |
| Jun 3, 2011 | 35 km NW of Gyalshing, India | M5.0 | 63 km | 46 km |
| Aug 11, 2007 | 51 km NNW of Il?m, Nepal | M5.0 | 87 km | 35 km |
| Sep 25, 1996 | 8 km SSE of Mangan, India | M5.0 | 13 km | 33 km |
| Dec 21, 1991 | 57 km NW of Mangan, India | M4.9 | 79 km | 57 km |
| Jan 1, 1995 | 57 km NE of Kh??db?ri??, Nepal | M4.9 | 113 km | 61 km |
| Apr 4, 1992 | 88 km NW of Mangan, India | M4.9 | 111 km | 33 km |
| May 20, 2007 | 5 km NNW of Gyalshing, India | M4.9 | 37 km | 43 km |
| Feb 27, 2004 | 85 km ENE of Lobujya, Nepal | M4.8 | 129 km | 68 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 15.0 m (49 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2023 | SOUTH LHONAK LAK, SIKKIM | Meteorological | 15.0 m | 55 | 75 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 0.8 in | Coldest |
| February | 59°F (15°C) | 1.5 in | |
| March | 65°F (18°C) | 3.0 in | |
| April | 69°F (21°C) | 6.1 in | |
| May | 72°F (22°C) | 10.3 in | |
| June | 75°F (24°C) | 21.3 in | |
| July | 75°F (24°C) | 31.1 in | Warmest, Wettest |
| August | 75°F (24°C) | 26.2 in | |
| September | 74°F (23°C) | 18.8 in | |
| October | 70°F (21°C) | 5.9 in | |
| November | 64°F (18°C) | 0.6 in | |
| December | 58°F (15°C) | 0.3 in | Driest |
Gangtok has a seasonal temperature swing of 20°F / from 56°F in January to 75°F in July. Total annual precipitation is 126.0 inches, with July being the wettest month (31.1") and December the driest (0.3").