Chattogram, Bangladesh

Full City Profile

3,230,507 Population 51,971/sq mi density
49 ft Elevation 15 meters
78°F Avg Temperature 26°C
Chattogram has a warm climate with an average annual temperature of 78°F (26°C). Winters average 67°F in January while summers reach 83°F in July. Annual precipitation totals 77.7 inches. The area receives 0.0 inches of snow annually.

Temperature

67°F Jan (20°C) 83°F Jul (28°C)
Annual Average78.1°F
45% above US avg
January Average67°F (20°C)
July Average83°F (28°C)

Geography

Elevation49 ft (15 m)
Area62.2 sq mi (161.0 km²)
Population Density51,971/sq mi
Coordinates22.3384°N, 91.8317°E
TimezoneAsia/Dhaka

Precipitation & Snow

Annual Rainfall 77.7"
104% above US avg
Snowfall 0.0"
Wettest Month (Jul) 29.29"
Driest Month (Jan) 0.31"

Air Quality

Earthquake History

66 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.1. Most recent: M4.1 on Apr 20, 2024.

Nov 21, 1997 42 km SW of Saiha, India M6.1 91 km
Jul 26, 2003 44 km SE of Khagrachhari, Bangladesh M5.7 75 km
Jul 27, 2003 41 km W of Lunglei, India M5.5 75 km
Nov 13, 2000 88 km S of Saiha, India M5.5 132 km
Sep 9, 2014 42 km SE of Saiha, India M5.4 146 km
Jul 22, 1999 16 km NW of Cox’s B?z?r, Bangladesh M5.2 89 km
Jan 31, 2008 36 km WSW of Lunglei, India M4.9 77 km
Dec 13, 2009 25 km WSW of S?tkania, Bangladesh M4.9 38 km
Jan 12, 2008 44 km WSW of Lunglei, India M4.9 70 km
Jul 28, 2007 42 km NE of Raoj?n, Bangladesh M4.8 64 km
Nov 22, 1997 40 km E of B?ndarban, Bangladesh M4.8 83 km
Feb 17, 2019 16 km WSW of Saiha, India M4.8 105 km
Nov 9, 2000 39 km NE of B?ndarban, Bangladesh M4.7 67 km
Jun 27, 2016 24 km NE of Raoj?n, Bangladesh M4.7 48 km
Aug 1, 2003 40 km W of Lunglei, India M4.7 77 km
Mar 11, 1994 38 km SSE of Saiha, India M4.6 133 km
Jan 1, 2012 18 km ESE of Amarpur, India M4.6 126 km
Dec 13, 2009 26 km WSW of S?tkania, Bangladesh M4.6 38 km
Jan 3, 2000 45 km SSW of Saiha, India M4.6 99 km
Jul 21, 2005 27 km SE of Khagrachhari, Bangladesh M4.6 74 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

16 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year Name Category Closest
2023 Mocha Category 4 205 km
2023 Hamoon Category 2 163 km
2019 Bulbul:matmo Category 2 243 km
2017 Mora Category 1 52 km
2010 Giri Category 4 296 km
2007 Sidr Category 4 148 km
2007 Akash Category 1 130 km
2004 Unnamed Category 1 267 km
1998 Unnamed Category 1 38 km
1997 Unnamed Category 4 29 km
1997 Unnamed Category 1 68 km
1995 Unnamed Category 2 114 km
1994 Unnamed Category 4 106 km
1992 Forrest Category 3 254 km
1991 Unnamed Category 5 45 km
1988 Unnamed Category 3 225 km
Source: NOAA IBTrACS (Cat 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 - 41 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 67°F (20°C) 0.3 in Coldest, Driest
February 72°F (22°C) 0.7 in
March 79°F (26°C) 1.6 in
April 83°F (28°C) 4.6 in
May 84°F (29°C) 10.2 in Warmest
June 82°F (28°C) 25.3 in
July 83°F (28°C) 29.3 in Wettest
August 82°F (28°C) 21.5 in
September 83°F (28°C) 12.2 in
October 81°F (27°C) 7.8 in
November 76°F (24°C) 2.8 in
December 69°F (21°C) 0.3 in

Chattogram has a seasonal temperature swing of 16°F / from 67°F in January to 84°F in May. Total annual precipitation is 116.5 inches, with July being the wettest month (29.3") and January the driest (0.3").

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