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Know Your Ground

County Data

Hawaii County, Hawaii

Self-reliance and preparedness data for Hawaii County

Relatively High

Hazard Risk (35.8/100)

Good

Solar (5.3 kWh/m²/day)

Natural Hazard Risks in Hawaii County

HazardRisk RatingScore
TsunamiRelatively High51.0
EarthquakeRelatively High36.3
Volcanic ActivityRelatively Low29.2
Riverine FloodingRelatively High26.4
Ice StormRelatively Low12.0

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

Climate Profile

Temperature & Growing Season

January Avg68°F

Water & Energy

Annual Precipitation10.6
Solar Potential5.3 kWh/m²/day
Wind Speed4.0 m/s
Soil TypeClay

Local Species

44

Edible species

20

Medicinal species

54

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Hawaii County, Hawaii?
Hawaii County has an overall hazard rating of Relatively High based on FEMA National Risk Index data. The top threats are Tsunami, Earthquake, Volcanic Activity. Each hazard is scored 0–100 by likelihood and expected impact.
Is Hawaii County good for solar power?
Hawaii 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 Hawaii County?
Our database identifies 44 edible plant species in Hawaii 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 Hawaii County?
Hawaii County has an autonomy score of 54. 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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