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Weather & Climate in Bongaigaon, India
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bongaigaon has a warm climate with an average annual temperature of 76°F (25°C). Winters average 64°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 188 sunny days per year. Annual precipitation totals 124.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 207 feet.
Temperature
64°F Jan (18°C)
82°F Jul (28°C)
| Annual Average | 76.2°F |
| 41% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 188 days/yr |
Geography
| Elevation | 207 ft (63 m) |
| Area | 5.4 sq mi (14.0 km²) |
| Population Density | 12,444/sq mi |
| Coordinates | 26.4770°N, 90.5582°W |
| Timezone | Asia/Kolkata |
Precipitation & Snow
Air Quality
Earthquake History
113 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 | 129 km | 14 km |
| Feb 23, 2006 | 23 km ENE of Samdrup Jongkhar, Bhutan | M5.8 | 124 km | 10 km |
| Dec 31, 2009 | 4 km WSW of Trashigang, Bhutan | M5.5 | 133 km | 10 km |
| Mar 25, 2003 | 14 km SSE of Ha, Bhutan | M5.5 | 150 km | 47 km |
| Jul 7, 2021 | 8 km SSE of Lakhipur, India | M5.3 | 61 km | 10 km |
| Jul 8, 1998 | 21 km WNW of Mongar, Bhutan | M5.2 | 105 km | 33 km |
| Aug 18, 1998 | 22 km E of Jakar, Bhutan | M5.2 | 127 km | 22 km |
| Feb 23, 2006 | 14 km ENE of Samdrup Jongkhar, Bhutan | M5.2 | 115 km | 10 km |
| Oct 5, 1999 | 18 km NE of Dispur, India | M5.2 | 138 km | 33 km |
| Jun 28, 2015 | 18 km N of B?sugaon, India | M5.1 | 23 km | 26 km |
| Oct 29, 2009 | 15 km WSW of Trashigang, Bhutan | M5.1 | 122 km | 26 km |
| Jul 18, 1997 | 28 km E of Samdrup Jongkhar, Bhutan | M5.0 | 128 km | 47 km |
| Apr 5, 2016 | 38 km SE of Lakhipur, India | M5.0 | 80 km | 10 km |
| Dec 12, 1992 | 15 km ESE of Nongstoin, India | M5.0 | 141 km | 41 km |
| Feb 8, 2020 | 10 km E of Abhay?puri, India | M5.0 | 27 km | 10 km |
| Feb 27, 2001 | 5 km E of Bongaigaon, India | M4.9 | 6 km | 20 km |
| Oct 2, 2023 | 28 km S of Goālpāra, India | M4.9 | 62 km | 10 km |
| Feb 2, 1991 | 3 km NE of Nongstoin, India | M4.9 | 127 km | 33 km |
| Oct 29, 2009 | 13 km NNE of Goshaingaon, India | M4.8 | 54 km | 30 km |
| Dec 4, 2013 | 12 km NNE of Al?pur Du?r, India | M4.7 | 100 km | 14 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 | 55 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 0.6 in | Coldest |
| February | 68°F (20°C) | 0.5 in | |
| March | 75°F (24°C) | 2.7 in | |
| April | 79°F (26°C) | 7.6 in | |
| May | 81°F (27°C) | 20.5 in | |
| June | 82°F (28°C) | 29.8 in | Wettest |
| July | 82°F (28°C) | 26.1 in | |
| August | 83°F (28°C) | 17.2 in | Warmest |
| September | 82°F (28°C) | 12.9 in | |
| October | 79°F (26°C) | 6.3 in | |
| November | 73°F (23°C) | 0.5 in | |
| December | 67°F (19°C) | 0.2 in | Driest |
Bongaigaon has a seasonal temperature swing of 19°F / from 64°F in January to 83°F in August. Total annual precipitation is 124.8 inches, with June being the wettest month (29.8") and December the driest (0.2").