County Data
Calhoun County, Arkansas
Self-reliance and preparedness data for Calhoun County
Very Low
Hazard Risk (4.9/100)
8a
USDA Zone
265
Frost-Free Days
Moderate
Solar (4.5 kWh/m²/day)
Natural Hazard Risks in Calhoun County
| Hazard | Risk Rating | Score |
|---|---|---|
| Ice Storm | Relatively Low | 14.1 |
| Tornado | Relatively Low | 9.4 |
| Strong Wind | Relatively Low | 9.2 |
| Hail | Relatively Low | 7.9 |
| Lightning | Very Low | 7.0 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 46°F |
| July Avg | 83°F |
| USDA Zone | 8a |
| Frost-Free Days | 265 |
Water & Energy
| Annual Precipitation | 58.3″ |
| Solar Potential | 4.5 kWh/m²/day |
| Wind Speed | 0.1 m/s |
| Soil Type | Silt Loam |
Local Species
62
Edible species
27
Medicinal species
81
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Calhoun County, Arkansas?
- Calhoun County has an overall hazard rating of Very Low based on FEMA National Risk Index data. The top threats are Ice Storm, Tornado, Strong Wind. Each hazard is scored 0–100 by likelihood and expected impact.
- What is the growing season in Calhoun County?
- Calhoun County is in USDA Hardiness Zone 8a with approximately 265 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 Calhoun County good for solar power?
- Calhoun County has a moderate 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 Calhoun County?
- Our database identifies 62 edible plant species in Calhoun 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 Calhoun County?
- Calhoun County has an autonomy score of 81. 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.
Other Counties in Arkansas
Pulaski
Zone 8a • 254 frost-free days
Benton
Zone 7a • 215 frost-free days
Washington
Zone 7a • 214 frost-free days
Sebastian
Zone 8a • 253 frost-free days
Faulkner
Zone 8a • 247 frost-free days
Saline
Zone 8a • 250 frost-free days
Craighead
Zone 8a • 245 frost-free days
Garland
Zone 8a • 260 frost-free days
Jefferson
Zone 8a • 270 frost-free days
White
Zone 8a • 250 frost-free days
Lonoke
Zone 8a • 254 frost-free days
Crawford
Zone 7b • 250 frost-free days