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Chattogram, Bangladesh

Major city · Population 3.9M

Chattogram is the 2nd largest city in Bangladesh with a population of approximately 3,920,222 people as of 2026. This makes it the 82nd largest city in the world, accounting for 2.26% of Bangladesh's total population of 173.6M. Chattogram is classified as a major city and operates in the Asia/Dhaka timezone. The average annual temperature is 25.7°C with 2,405 mm of rainfall per year. The city sits at an elevation of 21 meters above sea level.

Population

3,920,222

Global Rank

#82

Country Rank

#2

% of Bangladesh

2.26%

Avg Temperature

25.7°C

Annual Rainfall

2,405 mm

Elevation

21 m

Timezone

Asia/Dhaka

Chattogram on the Map

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Climate in Chattogram

Chattogram's warmest month is Apr and the coldest is Jan. The wettest month is Aug with 849 mm of rainfall.

Average Monthly Temperature

18.2°C
Jan
21.9°C
Feb
25.4°C
Mar
30.1°C
Apr
29.1°C
May
28.2°C
Jun
27.4°C
Jul
26.4°C
Aug
27.6°C
Sep
27.4°C
Oct
25.1°C
Nov
21.2°C
Dec
18.2°C30.1°C

Monthly Rainfall

13 mm
Jan
3 mm
Feb
17 mm
Mar
33 mm
Apr
274 mm
May
318 mm
Jun
322 mm
Jul
849 mm
Aug
456 mm
Sep
114 mm
Oct
6 mm
Nov
0 mm
Dec

Bangladesh at a Glance

Country Population

173,562,364

Capital

Dhaka

Region

Southern Asia

Major Cities

55

GDP per Capita

$2,593

Life Expectancy

74.7 years

Urban Population

32.7%

Growth Rate

0.01%

Other Major Cities in Bangladesh

Dhaka
10.4M
Gazipur
2.7M
Khulna
1.5M
Rangpur
1.0M
Comilla
1.0M
Rajshahi
764K
Pallabi
598K
Mirpur Model Thana
547K
Mohammadpur
528K
Hāthazāri
498K

Nearest Major Cities

Closest cities to Chattogram with over 100,000 people

Cities closest to Chattogram by distance
CityPopulationDistance
Hāthazāri498,17919 km
Bāndarban495,27243 km
Rangamati106,06950 km
Karnaphuli203,69757 km
Maijdi132,18595 km
Cox’s Bāzār253,788102 km
Comilla1,030,000141 km
Barishal202,242156 km

Frequently Asked Questions

What is the population of Chattogram?

The population of Chattogram, Bangladesh is approximately 3,920,222 people, making it the 82nd largest city in the world and the 2nd largest in Bangladesh.

Is Chattogram the capital of Bangladesh?

No, the capital of Bangladesh is Dhaka. Chattogram is the 2nd largest city in the country.

What is the climate like in Chattogram?

Chattogram has an average annual temperature of 25.7°C and receives 2,405 mm of rainfall per year. The warmest month is Apr and the coldest is Jan.

What timezone is Chattogram in?

Chattogram is in the Asia/Dhaka timezone.