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Phnom Penh, Cambodia

Capital city · Population 1.6M

Phnom Penh is the capital and the largest city in Cambodia with a population of approximately 1,573,544 people as of 2026. This makes it the 290th largest city in the world, accounting for 8.92% of Cambodia's total population of 17.6M. Phnom Penh is classified as a major city and operates in the Asia/Phnom_Penh timezone. The average annual temperature is 28.3°C with 1,909 mm of rainfall per year. The city sits at an elevation of 18 meters above sea level.

Population

1,573,544

Global Rank

#290

Country Rank

#1

% of Cambodia

8.92%

Avg Temperature

28.3°C

Annual Rainfall

1,909 mm

Elevation

18 m

Timezone

Asia/Phnom_Penh

Phnom Penh on the Map

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Climate in Phnom Penh

Phnom Penh's warmest month is Apr and the coldest is Dec. The wettest month is Oct with 376 mm of rainfall.

Average Monthly Temperature

26.9°C
Jan
28.4°C
Feb
30°C
Mar
32°C
Apr
29.6°C
May
28.8°C
Jun
27.3°C
Jul
27.9°C
Aug
27.3°C
Sep
26.8°C
Oct
27.9°C
Nov
26.6°C
Dec
26.6°C32°C

Monthly Rainfall

3 mm
Jan
5 mm
Feb
12 mm
Mar
12 mm
Apr
257 mm
May
171 mm
Jun
283 mm
Jul
239 mm
Aug
352 mm
Sep
376 mm
Oct
121 mm
Nov
78 mm
Dec

Cambodia at a Glance

Country Population

17,638,801

Capital

Phnom Penh

Region

South-Eastern Asia

Major Cities

4

GDP per Capita

$2,628

Life Expectancy

70.7 years

Urban Population

40.9%

Growth Rate

0.01%

Other Major Cities in Cambodia

Takeo
844K
Siem Reap
139K
Battambang
119K

Nearest Major Cities

Closest cities to Phnom Penh with over 100,000 people

Cities closest to Phnom Penh by distance
CityPopulationDistance
Takeo843,93165 km
Tân Châu175,21192 km
Hồng Ngự101,15597 km
Tịnh Biên143,098107 km
Tây Ninh135,254132 km
Hòa Thành147,666136 km
Hà Tiên100,560139 km
Long Xuyên286,140143 km

Frequently Asked Questions

What is the population of Phnom Penh?

The population of Phnom Penh, Cambodia is approximately 1,573,544 people, making it the 290th largest city in the world and the 1st largest in Cambodia.

Is Phnom Penh the capital of Cambodia?

Yes, Phnom Penh is the capital of Cambodia.

What is the climate like in Phnom Penh?

Phnom Penh has an average annual temperature of 28.3°C and receives 1,909 mm of rainfall per year. The warmest month is Apr and the coldest is Dec.

What timezone is Phnom Penh in?

Phnom Penh is in the Asia/Phnom_Penh timezone.