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Jefferson, OH
Full City Profile · Ohio · Ashtabula County County
2.9
/5.0
C+
Fair
3,347
Population
1,344/sq mi density
$47,469
Median Income
$32,328 per capita
$189,500
Home Value
$216,799 Zillow
$958
Median Rent
30.4% income on rent
49°F
Avg Temperature
275 sunny days/yr
419
Violent Crime/100K
2,266 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$47,469 median income, 0.8% unemployment
A
Affordability
4.4 / 5.0
$189,500 home value, $958/mo rent
F
Safety
1.0 / 5.0
419 violent crimes/100K (10% above avg)
C
Education
2.2 / 5.0
14.8% bachelor's degree or higher
Jefferson experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 26°F in January while summers reach 70°F in July. The area gets 275 sunny days per year. Annual precipitation totals 37.1 inches. Air quality is rated Good with a median AQI of 45.
Temperature
26°F Jan (-3°C)
70°F Jul (21°C)
| Annual Average | 48.9°F |
| 9% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 961 ft (293 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 1,344/sq mi |
| Coordinates | 41.7384°N, 80.7688°W |
| Timezone | America/New_York |
| County | Ashtabula County County |
| Nearest Airport | Northeast Ohio Regional (JFN) 5 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
| Good Days % | 62.0% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0459 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.6 / 100 |
| Social Vulnerability | 63.7 / 100 |
| Community Resilience | 88.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | — | 64 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 2.3 in | |
| February | 25°F (-4°C) | 2.1 in | Coldest, Driest |
| March | 35°F (1°C) | 2.9 in | |
| April | 45°F (7°C) | 3.4 in | |
| May | 56°F (13°C) | 3.5 in | |
| June | 65°F (18°C) | 4.1 in | Wettest |
| July | 70°F (21°C) | 3.8 in | Warmest |
| August | 69°F (20°C) | 4.0 in | |
| September | 62°F (17°C) | 4.0 in | |
| October | 51°F (11°C) | 3.5 in | |
| November | 41°F (5°C) | 3.9 in | |
| December | 31°F (-1°C) | 3.4 in |
Jefferson has a seasonal temperature swing of 45°F / from 25°F in February to 70°F in July. Total annual precipitation is 40.9 inches, with June being the wettest month (4.1") and February the driest (2.1").