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Know Your Ground

County Data

Williamsburg County, South Carolina

Self-reliance and preparedness data for Williamsburg County

Relatively Low

Hazard Risk (13.2/100)

Good

Solar (4.6 kWh/m²/day)

Natural Hazard Risks in Williamsburg County

HazardRisk RatingScore
LightningRelatively Moderate20.4
Strong WindRelatively Moderate20.0
Ice StormRelatively Moderate18.0
TornadoRelatively Moderate17.5
DroughtRelatively Moderate15.3

Source: FEMA National Risk Index. Scores 0–100, higher = more risk.

Climate Profile

Temperature & Growing Season

January Avg42°F

Water & Energy

Annual Precipitation4.6
Solar Potential4.6 kWh/m²/day
Wind Speed1.8 m/s
Soil TypeSandy Loam

Local Species

62

Edible species

27

Medicinal species

52

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Williamsburg County, South Carolina?
Williamsburg County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Lightning, Strong Wind, Ice Storm. Each hazard is scored 0–100 by likelihood and expected impact.
Is Williamsburg County good for solar power?
Williamsburg 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 Williamsburg County?
Our database identifies 62 edible plant species in Williamsburg 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 Williamsburg County?
Williamsburg 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.

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