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Tainan, Taiwan

Major city · Population 1.9M

Tainan is the 5th largest city in Taiwan with a population of approximately 1,856,642 people as of 2026. This makes it the 223rd largest city in the world, accounting for 7.96% of Taiwan's total population of 23.3M. Tainan is classified as a major city and operates in the Asia/Taipei timezone. The average annual temperature is 24.5°C with 2,314 mm of rainfall per year. The city sits at an elevation of 25 meters above sea level.

Population

1,856,642

Global Rank

#223

Country Rank

#5

% of Taiwan

7.96%

Avg Temperature

24.5°C

Annual Rainfall

2,314 mm

Elevation

25 m

Timezone

Asia/Taipei

Tainan on the Map

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Climate in Tainan

Tainan's warmest month is Jul and the coldest is Jan. The wettest month is Jul with 496 mm of rainfall.

Average Monthly Temperature

17.9°C
Jan
20.1°C
Feb
21.9°C
Mar
26.5°C
Apr
26.5°C
May
28.3°C
Jun
29.2°C
Jul
28°C
Aug
27.9°C
Sep
26°C
Oct
22.9°C
Nov
18.6°C
Dec
17.9°C29.2°C

Monthly Rainfall

6 mm
Jan
29 mm
Feb
40 mm
Mar
111 mm
Apr
149 mm
May
185 mm
Jun
496 mm
Jul
283 mm
Aug
357 mm
Sep
476 mm
Oct
160 mm
Nov
22 mm
Dec

Taiwan at a Glance

Country Population

23,317,031

Capital

Taipei

Region

Eastern Asia

Major Cities

28

Growth Rate

-0.00%

Other Major Cities in Taiwan

Taipei
7.9M
New Taipei City
4.0M
Taichung
2.9M
Kaohsiung
2.7M
Banqiao
551K
Taoyuan
476K
Hsinchu
454K
Taoyuan City
402K
Keelung
362K
Fengshan
356K

Nearest Major Cities

Closest cities to Tainan with over 100,000 people

Cities closest to Tainan by distance
CityPopulationDistance
Yongkang233,7306 km
Kaohsiung2,737,66043 km
Fengshan356,46343 km
Chiayi City263,18859 km
Douliu107,92487 km
Taitung103,26099 km
Nantou105,682113 km
Yuanlin124,725114 km

Frequently Asked Questions

What is the population of Tainan?

The population of Tainan, Taiwan is approximately 1,856,642 people, making it the 223rd largest city in the world and the 5th largest in Taiwan.

Is Tainan the capital of Taiwan?

No, the capital of Taiwan is Taipei. Tainan is the 5th largest city in the country.

What is the climate like in Tainan?

Tainan has an average annual temperature of 24.5°C and receives 2,314 mm of rainfall per year. The warmest month is Jul and the coldest is Jan.

What timezone is Tainan in?

Tainan is in the Asia/Taipei timezone.