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Sunāmganj, Bangladesh

Full City Profile

74,570 Population 258/sq mi density
46 ft Elevation 14 meters
76°F Avg Temperature 25°C
Sunāmganj has a warm climate with an average annual temperature of 76°F (24°C). Winters average 64°F in January while summers reach 83°F in July. The area gets 178 sunny days per year. Annual precipitation totals 126.8 inches. The area receives 0.0 inches of snow annually.

Temperature

64°F Jan (18°C) 83°F Jul (28°C)
Annual Average76.4°F
41% above US avg
January Average64°F (18°C)
July Average83°F (28°C)
Sunny Days178 days/yr

Geography

Elevation46 ft (14 m)
Area288.5 sq mi (747.2 km²)
Population Density258/sq mi
Coordinates25.0689°N, 91.4024°W
TimezoneAsia/Dhaka

Precipitation & Snow

Annual Rainfall 126.8"
234% above US avg
Snowfall 0.0"
Wettest Month (Jul) 25.91"
Driest Month (Dec) 0.28"

Air Quality

Earthquake History

105 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.0. Most recent: M4.1 on Apr 11, 2025.

May 8, 1997 11 km WNW of Kar?mganj, India M6.0 88 km
Jan 3, 2017 18 km ENE of ?mb?sa, India M5.7 133 km
Nov 19, 1996 India-Bangladesh border region M5.4 140 km
Aug 14, 2023 16 km NW of Karīmganj, India M5.3 86 km
Jul 7, 2021 8 km SSE of Lakhipur, India M5.3 145 km
Mar 2, 2013 25 km SSW of Kar?mganj, India M5.2 94 km
Oct 5, 1999 18 km NE of Dispur, India M5.2 143 km
Feb 25, 1992 38 km NNW of Kar?mganj, India M5.0 84 km
Jun 16, 2023 India-Bangladesh border region M5.0 73 km
Feb 15, 2005 9 km W of L?la, India M5.0 127 km
Apr 5, 2016 38 km SE of Lakhipur, India M5.0 115 km
Dec 12, 1992 15 km ESE of Nongstoin, India M5.0 45 km
Nov 8, 2017 28 km N of Agartala, India M4.9 109 km
Oct 2, 2023 28 km S of Goālpāra, India M4.9 126 km
Aug 6, 1997 31 km ENE of Shillong, India M4.9 101 km
Oct 14, 2002 19 km SE of Jahedpur, Bangladesh M4.9 56 km
Feb 2, 1991 3 km NE of Nongstoin, India M4.9 54 km
Sep 9, 2023 19 km ENE of Lāla, India M4.8 147 km
Aug 22, 1991 34 km W of Chh?tak, Bangladesh M4.7 9 km
Sep 2, 1991 19 km NNE of Kishorganj, Bangladesh M4.7 77 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

6 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year Name Category Closest
2020 Amphan Category 2 291 km
2007 Sidr Category 3 185 km
1997 Unnamed Category 3 210 km
1997 Unnamed Category 1 174 km
1991 Unnamed Category 4 240 km
1988 Unnamed Category 3 249 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

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 1,542 125 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 64°F (18°C) 0.4 in Coldest
February 68°F (20°C) 0.9 in
March 75°F (24°C) 3.7 in
April 80°F (26°C) 10.1 in
May 81°F (27°C) 16.9 in
June 82°F (28°C) 24.4 in
July 83°F (28°C) 25.9 in Wettest
August 83°F (28°C) 19.7 in Warmest
September 82°F (28°C) 16.2 in
October 80°F (27°C) 7.4 in
November 73°F (23°C) 1.0 in
December 67°F (19°C) 0.3 in Driest

Sunāmganj has a seasonal temperature swing of 19°F / from 64°F in January to 83°F in August. Total annual precipitation is 126.8 inches, with July being the wettest month (25.9") and December the driest (0.3").

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