County Data
Graham County, Arizona
Self-reliance and preparedness data for Graham County
Relatively Low
Hazard Risk (13.0/100)
7a
USDA Zone
179
Frost-Free Days
Excellent
Solar (5.6 kWh/m²/day)
Natural Hazard Risks in Graham County
| Hazard | Risk Rating | Score |
|---|---|---|
| Drought | Relatively High | 29.6 |
| Wildfire | Relatively Low | 13.4 |
| Winter Weather | Relatively Low | 12.8 |
| Riverine Flooding | Relatively Low | 9.1 |
| Landslide | Relatively Low | 8.7 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 33°F |
| July Avg | 72°F |
| USDA Zone | 7a |
| Frost-Free Days | 179 |
Water & Energy
| Annual Precipitation | 21.4″ |
| Solar Potential | 5.6 kWh/m²/day |
| Wind Speed | 1.8 m/s |
| Soil Type | Sandy Loam |
Local Species
41
Edible species
18
Medicinal species
69
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Graham County, Arizona?
- Graham County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Drought, Wildfire, Winter Weather. Each hazard is scored 0–100 by likelihood and expected impact.
- What is the growing season in Graham County?
- Graham County is in USDA Hardiness Zone 7a with approximately 179 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 Graham County good for solar power?
- Graham County has a excellent 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 Graham County?
- Our database identifies 41 edible plant species in Graham 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 Graham County?
- Graham County has an autonomy score of 69. 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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Zone 9b • 285 frost-free days
Yuma
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Coconino
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Cochise
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Navajo
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Apache
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Gila
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Santa Cruz
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