County Data
Modoc County, California
Self-reliance and preparedness data for Modoc County
Relatively High
Hazard Risk (27.1/100)
7a
USDA Zone
151
Frost-Free Days
Good
Solar (4.8 kWh/m²/day)
Natural Hazard Risks in Modoc County
| Hazard | Risk Rating | Score |
|---|---|---|
| Drought | Very High | 60.1 |
| Volcanic Activity | Relatively Low | 21.4 |
| Wildfire | Relatively Moderate | 20.4 |
| Riverine Flooding | Relatively High | 20.2 |
| Landslide | Relatively Moderate | 15.6 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 29°F |
| July Avg | 73°F |
| USDA Zone | 7a |
| Frost-Free Days | 151 |
Water & Energy
| Annual Precipitation | 18.1″ |
| Solar Potential | 4.8 kWh/m²/day |
| Wind Speed | 2.5 m/s |
| Soil Type | Loam |
Local Species
54
Edible species
23
Medicinal species
58
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Modoc County, California?
- Modoc County has an overall hazard rating of Relatively High based on FEMA National Risk Index data. The top threats are Drought, Volcanic Activity, Wildfire. Each hazard is scored 0–100 by likelihood and expected impact.
- What is the growing season in Modoc County?
- Modoc County is in USDA Hardiness Zone 7a with approximately 151 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 Modoc County good for solar power?
- Modoc 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 Modoc County?
- Our database identifies 54 edible plant species in Modoc 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 Modoc County?
- Modoc County has an autonomy score of 58. 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.