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Weather & Climate in Uttar Char Fasson, Bangladesh
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Uttar Char Fasson has a warm climate with an average annual temperature of 79°F (26°C). Winters average 67°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 192 sunny days per year. Annual precipitation totals 114.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 23 feet.
Temperature
67°F Jan (19°C)
82°F Jul (28°C)
| Annual Average | 78.5°F |
| 45% above US avg | |
| January Average | 67°F (19°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 192 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 1,203.1 sq mi (3,115.9 km²) |
| Population Density | 40/sq mi |
| Coordinates | 22.2265°N, 90.7128°W |
| Timezone | Asia/Dhaka |
Precipitation & Snow
Air Quality
Earthquake History
18 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Jul 22, 1999 | 16 km NW of Cox’s B?z?r, Bangladesh | M5.2 | 144 km | 10 km |
| Sep 10, 2010 | 27 km S of Son?rgaon, Bangladesh | M5.1 | 131 km | 10 km |
| Dec 13, 2009 | 25 km WSW of S?tkania, Bangladesh | M4.9 | 117 km | 10 km |
| Jun 27, 2016 | 24 km NE of Raoj?n, Bangladesh | M4.7 | 149 km | 10 km |
| Dec 13, 2009 | 26 km WSW of S?tkania, Bangladesh | M4.6 | 116 km | 17 km |
| Apr 8, 2015 | 60 km SSW of Sarankhola, Bangladesh | M4.6 | 130 km | 18 km |
| May 5, 2002 | Bangladesh | M4.5 | 123 km | 33 km |
| Jul 25, 2017 | 17 km NW of H?j?ganj, Bangladesh | M4.4 | 128 km | 10 km |
| Dec 31, 1999 | 25 km W of Cox’s B?z?r, Bangladesh | M4.3 | 140 km | 33 km |
| Jul 27, 2003 | 14 km E of Raoj?n, Bangladesh | M4.3 | 143 km | 10 km |
| Jul 27, 2003 | 13 km ENE of Raoj?n, Bangladesh | M4.2 | 142 km | 10 km |
| Aug 27, 2011 | 25 km WNW of H?j?ganj, Bangladesh | M4.2 | 126 km | 10 km |
| May 5, 2002 | 34 km SSW of Chattogram, Bangladesh | M4.1 | 98 km | 33 km |
| Apr 14, 2001 | 5 km E of Manikchari, Bangladesh | M4.1 | 139 km | 33 km |
| Feb 12, 2011 | 12 km W of L?ksh?m, Bangladesh | M4.1 | 117 km | 10 km |
| Aug 5, 1997 | 13 km ESE of H?j?ganj, Bangladesh | M4.1 | 112 km | 33 km |
| Jul 26, 2005 | 5 km WNW of Belonia, India | M4.0 | 136 km | 38 km |
| Sep 16, 2001 | 44 km WNW of Cox’s B?z?r, Bangladesh | M3.5 | 116 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
17 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Mocha | Category 4 | 115 mph | 295 km |
| 2023 | Hamoon | Category 2 | 75 mph | 145 km |
| 2020 | Amphan | Category 2 | 104 mph | 218 km |
| 2019 | Bulbul:matmo | Category 3 | 81 mph | 127 km |
| 2017 | Mora | Category 1 | 69 mph | 138 km |
| 2009 | Aila | Category 1 | 63 mph | 268 km |
| 2007 | Sidr | Category 4 | 132 mph | 44 km |
| 2007 | Akash | Category 1 | — | 183 km |
| 2004 | Unnamed | Category 1 | 104 mph | 282 km |
| 1998 | Unnamed | Category 1 | 69 mph | 100 km |
| 1997 | Unnamed | Category 4 | 104 mph | 92 km |
| 1997 | Unnamed | Category 1 | 63 mph | 31 km |
| 1995 | Unnamed | Category 2 | 89 mph | 169 km |
| 1994 | Unnamed | Category 4 | 132 mph | 200 km |
| 1992 | Forrest | Category 3 | 104 mph | 268 km |
| 1991 | Unnamed | Category 5 | 146 mph | 95 km |
| 1988 | Unnamed | Category 3 | 132 mph | 131 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 | — | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (19°C) | 0.3 in | Coldest, Driest |
| February | 72°F (22°C) | 1.0 in | |
| March | 79°F (26°C) | 1.8 in | |
| April | 83°F (28°C) | 4.5 in | |
| May | 84°F (29°C) | 10.5 in | Warmest |
| June | 83°F (28°C) | 23.5 in | |
| July | 82°F (28°C) | 26.1 in | Wettest |
| August | 83°F (28°C) | 21.8 in | |
| September | 83°F (28°C) | 14.3 in | |
| October | 81°F (27°C) | 7.6 in | |
| November | 76°F (24°C) | 2.4 in | |
| December | 69°F (21°C) | 0.4 in |
Uttar Char Fasson has a seasonal temperature swing of 17°F / from 67°F in January to 84°F in May. Total annual precipitation is 114.2 inches, with July being the wettest month (26.1") and January the driest (0.3").