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Weather & Climate in Chhāgalnāiya, Bangladesh
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chhāgalnāiya has a warm climate with an average annual temperature of 77°F (25°C). Winters average 66°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 195 sunny days per year. Annual precipitation totals 101.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
66°F Jan (19°C)
82°F Jul (28°C)
| Annual Average | 77.4°F |
| 43% above US avg | |
| January Average | 66°F (19°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 195 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 169.6 sq mi (439.3 km²) |
| Population Density | 232/sq mi |
| Coordinates | 23.0248°N, 91.5109°W |
| Timezone | Asia/Dhaka |
Precipitation & Snow
Air Quality
Earthquake History
66 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Jan 3, 2017 | 18 km ENE of ?mb?sa, India | M5.7 | 122 km | 32 km |
| Jul 26, 2003 | 44 km SE of Khagrachhari, Bangladesh | M5.7 | 84 km | 10 km |
| Jul 27, 2003 | 41 km W of Lunglei, India | M5.5 | 88 km | 10 km |
| Sep 10, 2010 | 27 km S of Son?rgaon, Bangladesh | M5.1 | 98 km | 10 km |
| Jan 31, 2008 | 36 km WSW of Lunglei, India | M4.9 | 95 km | 45 km |
| Nov 8, 2017 | 28 km N of Agartala, India | M4.9 | 121 km | 30 km |
| Dec 13, 2009 | 25 km WSW of S?tkania, Bangladesh | M4.9 | 119 km | 10 km |
| Jan 12, 2008 | 44 km WSW of Lunglei, India | M4.9 | 89 km | 34 km |
| Nov 22, 1997 | 40 km E of B?ndarban, Bangladesh | M4.8 | 149 km | 53 km |
| Jul 28, 2007 | 42 km NE of Raoj?n, Bangladesh | M4.8 | 82 km | 37 km |
| Nov 9, 2000 | 39 km NE of B?ndarban, Bangladesh | M4.7 | 116 km | 14 km |
| Jun 27, 2016 | 24 km NE of Raoj?n, Bangladesh | M4.7 | 67 km | 10 km |
| Aug 1, 2003 | 40 km W of Lunglei, India | M4.7 | 88 km | 10 km |
| Jul 21, 2005 | 27 km SE of Khagrachhari, Bangladesh | M4.6 | 67 km | 10 km |
| Dec 13, 2009 | 26 km WSW of S?tkania, Bangladesh | M4.6 | 118 km | 17 km |
| Jan 1, 2012 | 18 km ESE of Amarpur, India | M4.6 | 60 km | 28 km |
| Dec 19, 2001 | 9 km SSW of Dhaka, Bangladesh | M4.5 | 134 km | 10 km |
| May 28, 1992 | 10 km NNE of Khagrachhari, Bangladesh | M4.5 | 55 km | 33 km |
| Nov 25, 2012 | 9 km N of Udaipur, India | M4.5 | 66 km | 40 km |
| Mar 18, 2012 | 14 km ENE of Doh?r, Bangladesh | M4.5 | 146 km | 44 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Mocha | Category 4 | 104 mph | 283 km |
| 2023 | Hamoon | Category 2 | 75 mph | 227 km |
| 2020 | Amphan | Category 2 | 75 mph | 252 km |
| 2019 | Bulbul:matmo | Category 2 | 69 mph | 236 km |
| 2017 | Mora | Category 1 | 69 mph | 135 km |
| 2007 | Sidr | Category 4 | 132 mph | 90 km |
| 2007 | Akash | Category 1 | — | 212 km |
| 1998 | Unnamed | Category 1 | 69 mph | 119 km |
| 1997 | Unnamed | Category 4 | 104 mph | 56 km |
| 1997 | Unnamed | Category 1 | 63 mph | 28 km |
| 1995 | Unnamed | Category 2 | 75 mph | 194 km |
| 1994 | Unnamed | Category 3 | 132 mph | 184 km |
| 1991 | Unnamed | Category 5 | 146 mph | 70 km |
| 1988 | Unnamed | Category 3 | 132 mph | 168 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 1.8 m (6 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1762 | NORTHERN BAY OF BENGAL | Earthquake | 1.8 m | — | 125 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 66°F (19°C) | 0.4 in | Coldest |
| February | 71°F (22°C) | 0.7 in | |
| March | 78°F (26°C) | 2.8 in | |
| April | 82°F (28°C) | 5.1 in | |
| May | 83°F (28°C) | 10.3 in | Warmest |
| June | 82°F (28°C) | 21.4 in | Wettest |
| July | 82°F (28°C) | 20.8 in | |
| August | 82°F (28°C) | 19.5 in | |
| September | 82°F (28°C) | 11.2 in | |
| October | 80°F (27°C) | 7.4 in | |
| November | 75°F (24°C) | 1.9 in | |
| December | 68°F (20°C) | 0.1 in | Driest |
Chhāgalnāiya has a seasonal temperature swing of 17°F / from 66°F in January to 83°F in May. Total annual precipitation is 101.4 inches, with June being the wettest month (21.4") and December the driest (0.1").