County Data
St. Mary's County, Maryland
Self-reliance and preparedness data for St. Mary's County
Very Low
Hazard Risk (3.7/100)
Moderate
Solar (4.3 kWh/m²/day)
Natural Hazard Risks in St. Mary's County
| Hazard | Risk Rating | Score |
|---|---|---|
| Winter Weather | Very Low | 8.3 |
| Lightning | Very Low | 7.0 |
| Tornado | Very Low | 6.6 |
| Cold Wave | Very Low | 6.0 |
| Strong Wind | Very Low | 5.9 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 34°F |
Water & Energy
| Annual Precipitation | 5.4″ |
| Solar Potential | 4.3 kWh/m²/day |
| Wind Speed | 3.3 m/s |
| Soil Type | Silt Loam |
Local Species
72
Edible species
34
Medicinal species
55
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in St. Mary's County, Maryland?
- St. Mary's County has an overall hazard rating of Very Low based on FEMA National Risk Index data. The top threats are Winter Weather, Lightning, Tornado. Each hazard is scored 0–100 by likelihood and expected impact.
- Is St. Mary's County good for solar power?
- St. Mary's 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 St. Mary's County?
- Our database identifies 72 edible plant species in St. Mary's 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 St. Mary's County?
- St. Mary's County has an autonomy score of 55. 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.