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Weather & Climate in Nganglam, Bhutan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nganglam has a warm climate with an average annual temperature of 74°F (23°C). Winters average 63°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 184 sunny days per year. Annual precipitation totals 118.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 476 feet.
Temperature
63°F Jan (17°C)
81°F Jul (27°C)
| Annual Average | 74.2°F |
| 37% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 184 days/yr |
Geography
| Elevation | 476 ft (145 m) |
| Area | 1.7 sq mi (4.5 km²) |
| Population Density | 409/sq mi |
| Coordinates | 26.7833°N, 91.2500°W |
| Timezone | Asia/Thimphu |
Precipitation & Snow
Air Quality
Earthquake History
173 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| Sep 21, 2009 | 11 km W of Trashigang, Bhutan | M6.1 | 64 km | 14 km |
| Apr 28, 2021 | 8 km NNW of Dhekiajuli, India | M6.0 | 120 km | 34 km |
| Feb 23, 2006 | 23 km ENE of Samdrup Jongkhar, Bhutan | M5.8 | 47 km | 10 km |
| Feb 17, 1995 | 41 km N of Bomdila, India | M5.5 | 146 km | 39 km |
| Dec 31, 2009 | 4 km WSW of Trashigang, Bhutan | M5.5 | 65 km | 10 km |
| Feb 26, 2025 | 5 km N of Morigaon, India | M5.3 | 121 km | 10 km |
| Jul 7, 2021 | 8 km SSE of Lakhipur, India | M5.3 | 128 km | 10 km |
| Nov 6, 2001 | 33 km S of Tawang, India | M5.2 | 85 km | 33 km |
| Oct 5, 1999 | 18 km NE of Dispur, India | M5.2 | 89 km | 33 km |
| Sep 2, 1990 | 12 km W of Tezpur, India | M5.2 | 142 km | 46 km |
| Feb 23, 2006 | 14 km ENE of Samdrup Jongkhar, Bhutan | M5.2 | 39 km | 10 km |
| Jul 8, 1998 | 21 km WNW of Mongar, Bhutan | M5.2 | 64 km | 33 km |
| Aug 18, 1998 | 22 km E of Jakar, Bhutan | M5.2 | 90 km | 22 km |
| Jun 28, 2015 | 18 km N of B?sugaon, India | M5.1 | 85 km | 26 km |
| Oct 29, 2009 | 15 km WSW of Trashigang, Bhutan | M5.1 | 56 km | 26 km |
| Aug 19, 2009 | 9 km N of Dhing, India | M5.0 | 124 km | 10 km |
| Jul 18, 1997 | 28 km E of Samdrup Jongkhar, Bhutan | M5.0 | 54 km | 47 km |
| Dec 12, 1992 | 15 km ESE of Nongstoin, India | M5.0 | 147 km | 41 km |
| Apr 28, 2021 | 6 km NE of Dhekiajuli, India | M5.0 | 126 km | 35 km |
| Apr 5, 2016 | 38 km SE of Lakhipur, India | M5.0 | 134 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1897 | ASSAM | Earthquake | 3.0 m | 1,542 | 103 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 0.6 in | Coldest |
| February | 66°F (19°C) | 1.0 in | |
| March | 71°F (22°C) | 3.3 in | |
| April | 75°F (24°C) | 9.5 in | |
| May | 78°F (26°C) | 16.7 in | |
| June | 80°F (27°C) | 27.0 in | Wettest |
| July | 81°F (27°C) | 25.6 in | |
| August | 82°F (28°C) | 16.5 in | Warmest |
| September | 81°F (27°C) | 12.5 in | |
| October | 77°F (25°C) | 5.2 in | |
| November | 71°F (22°C) | 0.6 in | |
| December | 66°F (19°C) | 0.3 in | Driest |
Nganglam has a seasonal temperature swing of 19°F / from 63°F in January to 82°F in August. Total annual precipitation is 118.9 inches, with June being the wettest month (27.0") and December the driest (0.3").