County Data
St. Johns County, Florida
Self-reliance and preparedness data for St. Johns County
Relatively Low
Hazard Risk (13.4/100)
Good
Solar (4.8 kWh/m²/day)
Natural Hazard Risks in St. Johns County
| Hazard | Risk Rating | Score |
|---|---|---|
| Hurricane | Relatively Moderate | 17.4 |
| Coastal Flooding | Relatively Low | 17.2 |
| Lightning | Relatively Moderate | 17.0 |
| Tornado | Relatively Moderate | 16.2 |
| Wildfire | Relatively Moderate | 14.9 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 55°F |
Water & Energy
| Annual Precipitation | 3.6″ |
| Solar Potential | 4.8 kWh/m²/day |
| Wind Speed | 1.6 m/s |
| Soil Type | Sand |
Local Species
62
Edible species
27
Medicinal species
52
Autonomy Score
Get Your St. Johns County Guide
Enter any zip code in St. Johns County for a full location-specific guide with planting calendars, foraging data, water strategy, and personalized action plans.
Full guide from $14.99 — printable, offline-ready
Frequently Asked Questions
- What are the biggest natural hazards in St. Johns County, Florida?
- St. Johns County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Hurricane, Coastal Flooding, Lightning. Each hazard is scored 0–100 by likelihood and expected impact.
- Is St. Johns County good for solar power?
- St. Johns County has a good solar rating. Solar potential is based on average daily irradiance (kWh/m²/day), which determines how much energy rooftop or ground-mounted panels can produce year-round.
- How many edible plants grow in St. Johns County?
- Our database identifies 62 edible plant species in St. Johns County based on regional flora data, USDA hardiness zone, and iNaturalist observations. The full field guide includes identification notes, preparation methods, and seasonal availability.
- What is the autonomy score for St. Johns County?
- St. Johns County has an autonomy score of 52. This composite score measures local self-reliance potential across water access, food production capacity, energy resources, and supply chain resilience. Higher scores indicate greater potential for self-sufficiency.