7
Very High
Extreme Heat Risk in Los Angeles, CA
Risk Level: Very High — Score 7/10
FEMA: 7Historical: 10
Key Risk Factors
- FEMA rates Los Angeles's county as Relatively High risk
- Estimated annual loss of $37M from this hazard type
- 31 events recorded in proximity in recent decades
- Active in the last 12 months (13 events)
- Average annual frequency: 9.5 events per year
Peak season: June-September
Last significant event: Heat - Ojai Valley area, California, United States (2025-10-28) — 9,940,000 people exposed
Highest Risk Cities for Extreme Heats
Los Angeles is not in the top 10 for extreme heat risk among tracked cities.
How Los Angeles Compares
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Notable Extreme Heat Events Near Los Angeles
Heat - Los Angeles and Ventura Counties, California, United States
August 31, 2025 — ADVISORY
8,670,000 people exposed; $2,615,591M capital exposed
Extreme Heat - Southwestern California, United States
September 30, 2020 — WARNING
Impact data not available
Heat - Ojai Valley area, California, United States
October 27, 2025 — ADVISORY
9,940,000 people exposed; $2,958,558M capital exposed
Excessive Heat - Southern California, United States
August 20, 2025 — WARNING
3,720,000 people exposed; $1,183,595M capital exposed
Extreme Heat - Southern California
August 8, 2024 — WARNING
348,000 people exposed; $86,687M 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
Earthquake Risk in Los Angeles
Score: 9/10
Wildfire Risk in Los Angeles
Score: 9/10
Hurricane Risk in Los Angeles
Score: 0/10
Flood Risk in Los Angeles
Score: 9/10
Tornado Risk in Los Angeles
Score: 7/10
Winter Storm Risk in Los Angeles
Score: 5/10
Landslide Risk in Los Angeles
Score: 7/10
Drought Risk in Los Angeles
Score: 3/10
High Wind Risk in Los Angeles
Score: 5/10
Tsunami Risk in Los Angeles
Score: 3/10
Extreme Heat Risk in Long Beach, CA
Score: 7/10
Extreme Heat Risk in San Diego, CA
Score: 7/10
Extreme Heat Risk in Fresno, CA
Score: 7/10
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