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Weather & Climate in Gasa, Bhutan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gasa has a cool climate with an average annual temperature of 40°F (4°C). Winters average 26°F in January while summers reach 52°F in July. The area gets 302 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 19.0 inches (drier than the 38-inch national average). The area receives 1.3 inches of snow annually. The city sits at an elevation of 9,058 feet.
Temperature
26°F Jan (-3°C)
52°F Jul (11°C)
| Annual Average | 40.0°F |
| 26% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 52°F (11°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 9,058 ft (2,761 m) |
| Area | 2.2 sq mi (5.7 km²) |
| Population Density | 250/sq mi |
| Coordinates | 27.9037°N, 89.7269°W |
| Timezone | Asia/Thimphu |
Precipitation & Snow
Air Quality
Earthquake History
41 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.5.
| Mar 25, 2003 | 14 km SSE of Ha, Bhutan | M5.5 | 81 km | 47 km |
| Feb 14, 2006 | 16 km NE of Gyalshing, India | M5.3 | 144 km | 30 km |
| Oct 3, 2013 | 11 km WNW of Singtam, India | M5.2 | 147 km | 10 km |
| Aug 18, 1998 | 22 km E of Jakar, Bhutan | M5.2 | 129 km | 22 km |
| Apr 5, 2021 | 35 km NNW of Samtse, Bhutan | M5.2 | 111 km | 10 km |
| Jul 8, 1998 | 21 km WNW of Mongar, Bhutan | M5.2 | 143 km | 33 km |
| Sep 25, 1996 | 8 km SSE of Mangan, India | M5.0 | 127 km | 33 km |
| Sep 18, 2011 | 6 km E of Mangan, India | M4.8 | 120 km | 40 km |
| Jul 10, 2012 | 15 km S of Shemgang, Bhutan | M4.7 | 131 km | 35 km |
| Dec 4, 2013 | 12 km NNE of Al?pur Du?r, India | M4.7 | 147 km | 14 km |
| Sep 18, 2011 | 14 km NNW of Singtam, India | M4.7 | 140 km | 28 km |
| Sep 18, 2012 | 2 km E of Gangtok, India | M4.6 | 125 km | 42 km |
| Nov 18, 2009 | 20 km NNW of Trongsa, Bhutan | M4.5 | 75 km | 44 km |
| Mar 26, 2017 | 4 km SSE of Rangpo, India | M4.5 | 143 km | 24 km |
| Feb 18, 1990 | 45 km ENE of Jiangzi, China | M4.5 | 134 km | 10 km |
| May 25, 2008 | 34 km SSE of Rikaze, China | M4.4 | 137 km | 10 km |
| May 24, 2017 | 28 km E of Wangdue Phodrang, Bhutan | M4.4 | 62 km | 28 km |
| Mar 11, 2005 | 18 km S of Trongsa, Bhutan | M4.4 | 98 km | 53 km |
| Jun 17, 2018 | 11 km SSW of Mangan, India | M4.4 | 135 km | 50 km |
| Jan 2, 2023 | 22 km WNW of Trongsa, Bhutan | M4.4 | 67 km | 35 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 | 137 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 0.2 in | Coldest, Driest |
| February | 28°F (-2°C) | 0.3 in | |
| March | 34°F (1°C) | 0.5 in | |
| April | 39°F (4°C) | 1.0 in | |
| May | 45°F (7°C) | 1.2 in | |
| June | 50°F (10°C) | 2.6 in | |
| July | 52°F (11°C) | 4.4 in | Warmest |
| August | 52°F (11°C) | 4.9 in | Wettest |
| September | 49°F (10°C) | 2.6 in | |
| October | 42°F (6°C) | 1.0 in | |
| November | 34°F (1°C) | 0.2 in | |
| December | 29°F (-2°C) | 0.2 in |
Gasa has a seasonal temperature swing of 26°F / from 26°F in January to 52°F in July. Total annual precipitation is 19.0 inches, with August being the wettest month (4.9") and January the driest (0.2").