DisasterAWARE
3
Moderate

extreme-heat Extreme Heat Risk in London, United Kingdom

Risk Level: Moderate — Score 3/10

Risk: 3Historical: 10

Key Risk Factors

  • 10 events on record in proximity
  • Active in the last 12 months (6 events)
  • Largest recent event exposed 18,100,000 people

Peak season: June-September

Last significant event: Heat - East And Southeast England, United Kingdom (2026-06-26) — 22,400,000 people exposed

Highest Risk Cities for Extreme Heats

1
Chicago, IL
FEMA: 9Historical: 10
2
Houston, TX
FEMA: 9Historical: 10
3
Phoenix, AZ
FEMA: 9Historical: 10
4
Philadelphia, PA
FEMA: 9Historical: 10
5
Dallas, TX
FEMA: 9Historical: 10
6
Las Vegas, NV
FEMA: 9Historical: 10
7
Tucson, AZ
FEMA: 9Historical: 10
8
Mesa, AZ
FEMA: 9Historical: 10
9
Mumbai, India
Risk: 9Historical: 10
10
Shanghai, China
Risk: 9Historical: 10
London is not in the top 10 for extreme heat risk among tracked cities.

How London Compares

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Notable Extreme Heat Events Near London

Heat - East Of England, London And South East England, United Kingdom

June 24, 2026 — WARNING

18,100,000 people exposed; $3,434,560M capital exposed

Heat - East And Southeast England, United Kingdom

June 25, 2026 — WARNING

22,400,000 people exposed; $3,783,275M capital exposed

Heat - England And Wales, United Kingdom

June 22, 2026 — WARNING

51,300,000 people exposed; $6,721,872M capital exposed

Heat - Central And Southern England, Wales, United Kingdom

June 21, 2026 — WARNING

41,100,000 people exposed; $5,945,386M capital exposed

Heat - England, United Kingdom

June 24, 2026 — WARNING

37,500,000 people exposed; $5,007,986M capital exposed

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

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Extreme Heat Risk in Amsterdam, Netherlands
Score: 0/10
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Extreme Heat Risk in Zurich, Switzerland
Score: 9/10
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Extreme Heat Risk in Munich, Germany
Score: 0/10

How this data is built

London, United Kingdom extreme heat risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live extreme heat monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

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