DisasterAWARE
0
Low

extreme-heat Extreme Heat Risk in Sydney, Australia

Risk Level: Low — Score 0/10

Risk: 0Historical: 10

Key Risk Factors

  • 39 events recorded in proximity in recent decades
  • High recent activity — multiple events in the last 12 months
  • Largest recent event exposed 4,630,000 people

Peak season: June-September

Last significant event: Extreme Heat - Sydney, New South Wales, Australia (2025-12-21) — 7,740,000 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
Sydney is not in the top 10 for extreme heat risk among tracked cities.

How Sydney Compares

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Notable Extreme Heat Events Near Sydney

Extreme Heat - Sydney, New South Wales, Australia

March 15, 2025 — WARNING

4,630,000 people exposed; $2,215,538M capital exposed

Extreme Heat - Sydney, New South Wales, Australia

December 19, 2025 — WARNING

8,130,000 people exposed; $3,018,609M capital exposed

Extreme Heat - Sydney, New South Wales, Australia

December 18, 2025 — WARNING

8,120,000 people exposed; $3,016,599M capital exposed

Extreme Heat - Sydney, New South Wales, Australia

December 17, 2025 — WARNING

8,080,000 people exposed; $3,008,014M capital exposed

Extreme Heat - Sydney, New South Wales, Australia

December 20, 2025 — WARNING

7,740,000 people exposed; $2,928,256M 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

Related Pages

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Earthquake Risk in Sydney
Score: 0/10
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Wildfire Risk in Sydney
Score: 1/10
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Hurricane Risk in Sydney
Score: 0/10
flood
Flood Risk in Sydney
Score: 1/10
tornado
Tornado Risk in Sydney
Score: 0/10
winter-storm
Winter Storm Risk in Sydney
Score: 0/10
landslide
Landslide Risk in Sydney
Score: 1/10
drought
Drought Risk in Sydney
Score: 3/10
high-wind
High Wind Risk in Sydney
Score: 0/10
tsunami
Tsunami Risk in Sydney
Score: 9/10
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Extreme Heat Risk in Melbourne, Australia
Score: 0/10
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Extreme Heat Risk in Christchurch, New Zealand
Score: 0/10
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Extreme Heat Risk in Suva, Fiji
Score: 5/10

How this data is built

Sydney, Australia 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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