County Data
Colusa County, California
Self-reliance and preparedness data for Colusa County
Relatively High
Hazard Risk (34.5/100)
9b
USDA Zone
295
Frost-Free Days
Good
Solar (5.2 kWh/m²/day)
Natural Hazard Risks in Colusa County
| Hazard | Risk Rating | Score |
|---|---|---|
| Drought | Very High | 76.8 |
| Wildfire | Relatively Low | 12.3 |
| Earthquake | Relatively Moderate | 11.6 |
| Landslide | Relatively Low | 11.5 |
| Heat Wave | Relatively Moderate | 11.3 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 49°F |
| July Avg | 85°F |
| USDA Zone | 9b |
| Frost-Free Days | 295 |
Water & Energy
| Annual Precipitation | 18.2″ |
| Solar Potential | 5.2 kWh/m²/day |
| Wind Speed | 1.7 m/s |
| Soil Type | Loam |
Local Species
54
Edible species
23
Medicinal species
72
Autonomy Score
Get Your Colusa County Guide
Enter any zip code in Colusa 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 Colusa County, California?
- Colusa County has an overall hazard rating of Relatively High based on FEMA National Risk Index data. The top threats are Drought, Wildfire, Earthquake. Each hazard is scored 0–100 by likelihood and expected impact.
- What is the growing season in Colusa County?
- Colusa County is in USDA Hardiness Zone 9b with approximately 295 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 Colusa County good for solar power?
- Colusa 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 Colusa County?
- Our database identifies 54 edible plant species in Colusa 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 Colusa County?
- Colusa County has an autonomy score of 72. 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.