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5
High

extreme-heat Extreme Heat Risk in Seoul, South Korea

Risk Level: High — Score 5/10

Risk: 5Historical: 10

Key Risk Factors

  • Moderate risk rating for Seoul based on ThinkHazard (Extreme heat)
  • 10 events on record in proximity
  • 1 event(s) in the last 12 months

Peak season: June-September

Last significant event: Extreme Heat - Gyeonggi-do, South Korea (2025-08-12) — 26,600,818 people exposed

Highest Risk Cities for Extreme Heats

1
FEMA: 9Historical: 8
2
FEMA: 9Historical: 0
3
FEMA: 9Historical: 10
4
FEMA: 9Historical: 10
5
FEMA: 9Historical: 10
6
FEMA: 9Historical: 10
7
FEMA: 9Historical: 0
8
FEMA: 9Historical: 10
9
Risk: 9Historical: 0
10
Risk: 9Historical: 2
Seoul is not in the top 10 for extreme heat risk among tracked cities.

How Seoul Compares

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Notable Extreme Heat Events Near Seoul

Extreme Heat - Northern South Korea

July 16, 2019 WARNING

Impact data not available

Extreme Heat - Gyeonggi-do, South Korea

August 11, 2025 WARNING

26,600,818 people exposed; $3,234,453M capital exposed

Extreme Heat - South Korea

June 19, 2024 WARNING

31,292,000 people exposed; $3,626,968M capital exposed

Extreme Cold - South Korea

February 5, 2018 WARNING

Impact data not available

Extreme Cold - South Korea

December 20, 2022 WARNING

Impact data not available

Extreme Heat Preparedness Tips

  • 1.Stay hydrated — drink water regularly even if you don’t feel thirsty
  • 2.Avoid outdoor activities during peak heat hours (10 AM – 4 PM)
  • 3.Know the signs of heat exhaustion and heat stroke
  • 4.Check on elderly neighbors and those without air conditioning
  • 5.Never leave children or pets in a parked vehicle

Related Pages

Monitor Extreme Heat Risk in Real Time

Get real-time extreme heat alerts for Seoul, South Korea and hundreds of other locations with DisasterAWARE's enterprise platform.