7
Very High
Extreme Heat Risk in Jacksonville, FL
Risk Level: Very High — Score 7/10
FEMA: 7Historical: 10
Key Risk Factors
- FEMA rates Jacksonville's county as Relatively High risk
- Estimated annual loss of $9M from this hazard type
- 13 events recorded in proximity in recent decades
- Active in the last 12 months (6 events)
- Average annual frequency: 4.6 events per year
Peak season: June-September
Last significant event: Cold Weather - Southeast Georgia, United States (2026-01-27) — 381,000 people exposed
Highest Risk Cities for Extreme Heats
Jacksonville is not in the top 10 for extreme heat risk among tracked cities.
How Jacksonville Compares
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Notable Extreme Heat Events Near Jacksonville
Heat - Northeast Florida and Southeast Georgia, United States
August 12, 2025 — ADVISORY
Impact data not available
Cold Weather - Northeast _ north-central Florida, United States
January 18, 2026 — ADVISORY
2,600,000 people exposed; $302,578M capital exposed
Cold Weather - Southeast Georgia, United States
January 26, 2026 — ADVISORY
381,000 people exposed; $44,488M capital exposed
Extreme Cold - United States
January 16, 2025 — WARNING
158,777,000 people exposed; $26,054,772M capital exposed
Extreme Heat - Southern and Eastern United States
June 30, 2024 — WARNING
114,000,000 people exposed; $23,632,231M 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 Jacksonville
Score: 5/10
Wildfire Risk in Jacksonville
Score: 5/10
Hurricane Risk in Jacksonville
Score: 7/10
Flood Risk in Jacksonville
Score: 7/10
Tornado Risk in Jacksonville
Score: 7/10
Winter Storm Risk in Jacksonville
Score: 7/10
Landslide Risk in Jacksonville
Score: 1/10
Drought Risk in Jacksonville
Score: 1/10
High Wind Risk in Jacksonville
Score: 5/10
Tsunami Risk in Jacksonville
Score: 0/10
Extreme Heat Risk in Tampa, FL
Score: 7/10
Extreme Heat Risk in Atlanta, GA
Score: 5/10
Extreme Heat Risk in Miami, FL
Score: 7/10
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