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Know Your Ground

County Data

Solano County, California

Self-reliance and preparedness data for Solano County

Relatively High

Hazard Risk (28.7/100)

10a

USDA Zone

303

Frost-Free Days

Good

Solar (5.2 kWh/m²/day)

Natural Hazard Risks in Solano County

HazardRisk RatingScore
DroughtVery High50.5
EarthquakeRelatively High23.6
WildfireRelatively Moderate15.6
LightningRelatively Low12.2
LandslideRelatively Low10.3

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

Climate Profile

Temperature & Growing Season

January Avg49°F
July Avg70°F
USDA Zone10a
Frost-Free Days303

Water & Energy

Annual Precipitation23.2
Solar Potential5.2 kWh/m²/day
Wind Speed2.3 m/s
Soil TypeLoam

Local Species

54

Edible species

23

Medicinal species

76

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Solano County, California?
Solano County has an overall hazard rating of Relatively High based on FEMA National Risk Index data. The top threats are Drought, Earthquake, Wildfire. Each hazard is scored 0–100 by likelihood and expected impact.
What is the growing season in Solano County?
Solano County is in USDA Hardiness Zone 10a with approximately 303 frost-free days per year. This determines which crops, fruit trees, and perennials can survive your winters and how long your outdoor growing season lasts.
Is Solano County good for solar power?
Solano 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 Solano County?
Our database identifies 54 edible plant species in Solano 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 Solano County?
Solano County has an autonomy score of 76. 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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