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Sullivan, OH
Full City Profile · Ohio · Huron County County
3.0
/5.0
B
Good
841
Population
203/sq mi density
$95,369
Median Income
$31,521 per capita
$240,200
Home Value
$283,969 Zillow
50°F
Avg Temperature
275 sunny days/yr
74
Violent Crime/100K
2,454 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$95,369 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$240,200 home value, /mo rent
F
Safety
1.0 / 5.0
74 violent crimes/100K
F
Education
1.2 / 5.0
2.4% bachelor's degree or higher
Sullivan experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 26°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.0 inches. The area receives 47.0 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
26°F Jan (-3°C)
73°F Jul (23°C)
| Annual Average | 50.1°F |
| 7% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,154 ft (352 m) |
| Area | 4.2 sq mi (10.8 km²) |
| Population Density | 203/sq mi |
| Coordinates | 41.0211°N, 82.2147°W |
| Timezone | America/New_York |
| County | Huron County County |
| Nearest Airport | Mansfield Lahm Regional (MFD) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 50.3 / 100 |
| Social Vulnerability | 37.7 / 100 |
| Community Resilience | 77.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 2.2 in | Coldest |
| February | 27°F (-3°C) | 2.0 in | Driest |
| March | 37°F (3°C) | 2.9 in | |
| April | 47°F (8°C) | 3.4 in | |
| May | 58°F (14°C) | 3.8 in | |
| June | 67°F (19°C) | 4.0 in | Wettest |
| July | 73°F (23°C) | 3.9 in | Warmest |
| August | 70°F (21°C) | 3.7 in | |
| September | 63°F (17°C) | 3.4 in | |
| October | 52°F (11°C) | 2.5 in | |
| November | 41°F (5°C) | 3.2 in | |
| December | 30°F (-1°C) | 2.8 in |
Sullivan has a seasonal temperature swing of 47°F / from 26°F in January to 73°F in July. Total annual precipitation is 37.6 inches, with June being the wettest month (4.0") and February the driest (2.0").