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The climate of South Korea, city by city

This page lists the 147 cities in South Korea for which climate normals are available. Each entry covers temperature, rainfall and how the climate changed between 1940 and 2025, computed from ERA5 reanalysis data.

Average across cities

12.4°C

Annual rainfall

1,230mm

Spread between cities

6.7°C

Warming

+2.1°C

Departure from normal across the country's largest cities, 1940–2025

Rankings

Across the 147 cities in this country with a measured climate.

The warmest

  1. 1Gaigeturi15.6 °C
  2. 2Jeju City15.3 °C
  3. 3Tallang-dong15.3 °C
  4. 4Ido-dong15.3 °C
  5. 5Seodong15.3 °C
  6. 6Ara-dong15.3 °C
  7. 7Ora-dong15.3 °C
  8. 8Geoje15.2 °C
  9. 9Seogwipo15.2 °C
  10. 10Busan15.1 °C

The coldest

  1. 1T’aebaek8.9 °C
  2. 2Neietsu9.4 °C
  3. 3Gangneung9.5 °C
  4. 4Yanggu9.5 °C
  5. 5Cheorwon9.8 °C
  6. 6Hwacheon10 °C
  7. 7Hongch’ŏn10.2 °C
  8. 8Sokcho10.5 °C
  9. 9Chuncheon10.6 °C
  10. 10Hwado10.6 °C

The wettest

  1. 1Seogwipo1,536 mm
  2. 2Gwangyang1,520 mm
  3. 3Hadong1,520 mm
  4. 4Suncheon1,511 mm
  5. 5Kwangyang1,511 mm
  6. 6Kurye1,462 mm
  7. 7Yeosu1,440 mm
  8. 8Jinju1,431 mm
  9. 9Kyosai1,426 mm
  10. 10Tongyeong1,426 mm

Frequently asked questions

What is the hottest city in South Korea?

The hottest city in South Korea is Gaigeturi, with an average annual temperature of 15.6 °C.

What is the coldest city in South Korea?

The coldest city in South Korea is T’aebaek, with an average annual temperature of 8.9 °C.

What is the wettest city in South Korea?

The wettest city in South Korea is Seogwipo, with 1,536 mm of precipitation per year.

Has the climate of South Korea warmed?

Based on its largest cities, South Korea warmed by +2.1 °C between 1940 and 2025.

Cities by region

Busan2

Chungcheongnam-do14

Daegu2

Daejeon2

Gangwon-do14

Gwangju2

Gyeonggi-do27

Gyeongsangbuk-do18

Gyeongsangnam-do14

Incheon2

Jeju-do8

Jeollabuk-do13

Jeollanam-do18

North Chungcheong7

Sejong-si1

Seoul2

Ulsan1