Extreme Heat Risk in Jacksonville, FL
Risk Level: Very High — Score 7/10
Live Extreme Heat alert status near Jacksonville
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Live extreme heat activity around Jacksonville — refreshed throughout the day.
Open full-screen map →Key Risk Factors
- FEMA rates Jacksonville's county as Relatively High risk
- Estimated annual loss of $9M from this hazard type
- 17 events recorded in proximity in recent decades
- Active in the last 12 months (10 events)
- Average annual frequency: 4.6 events per year
Peak season: June-September
Last significant event: Heat - Northeast and North Florida; Southeast Georgia, United States (2026-07-30) — 2,220,000 people exposed
Highest Risk Cities for Extreme Heats
How Jacksonville Compares
Notable Extreme Heat Events Near Jacksonville
DisasterAWARE's historical archive records 5 notable extreme heat events near Jacksonville, ranked below by impact. The most impactful: Heat - Northeast and Central Florida and Southeast Georgia, United States (July 2026) — 6,270,000 people exposed; $753,615M capital exposed.
Heat - Northeast and Central Florida and Southeast Georgia, United States
July 24, 2026 — ADVISORY
6,270,000 people exposed; $753,615M capital exposed
Cold Weather - Northeast _ north-central Florida, United States
January 18, 2026 — ADVISORY
2,600,000 people exposed; $302,578M capital exposed
Excessive Heat - Northeast Florida and Southeast Georgia, United States
July 28, 2026 — WARNING
2,280,000 people exposed; $278,450M capital exposed
Heat - Northeast and North Florida; Southeast Georgia, United States
July 29, 2026 — ADVISORY
2,220,000 people exposed; $255,053M capital exposed
Heat - Northeast Florida and Southeast Georgia, United States
August 12, 2025 — ADVISORY
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
How this data is built
Jacksonville, FL 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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