County Data
Fairfield County, Connecticut
Self-reliance and preparedness data for Fairfield County
Relatively Low
Hazard Risk (9.0/100)
7b
USDA Zone
231
Frost-Free Days
Moderate
Solar (4.0 kWh/m²/day)
Natural Hazard Risks in Fairfield County
| Hazard | Risk Rating | Score |
|---|---|---|
| Ice Storm | Relatively Moderate | 20.5 |
| Strong Wind | Relatively Moderate | 18.3 |
| Lightning | Relatively Low | 15.8 |
| Tornado | Relatively Low | 13.8 |
| Winter Weather | Relatively Low | 13.7 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 34°F |
| July Avg | 77°F |
| USDA Zone | 7b |
| Frost-Free Days | 231 |
Water & Energy
| Annual Precipitation | 55.3″ |
| Solar Potential | 4.0 kWh/m²/day |
| Wind Speed | 1.6 m/s |
| Soil Type | Sandy Loam |
Local Species
72
Edible species
34
Medicinal species
76
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Fairfield County, Connecticut?
- Fairfield County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Ice Storm, Strong Wind, Lightning. Each hazard is scored 0–100 by likelihood and expected impact.
- What is the growing season in Fairfield County?
- Fairfield County is in USDA Hardiness Zone 7b with approximately 231 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 Fairfield County good for solar power?
- Fairfield 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 Fairfield County?
- Our database identifies 72 edible plant species in Fairfield 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 Fairfield County?
- Fairfield 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.