Nellie, OH
Full City Profile · Ohio · Knox County County
4.3
/5.0
A
Great
319
Population
469/sq mi density
$179,200
Home Value
$214,793 Zillow
51°F
Avg Temperature
A
Overall
4.3 / 5.0
Strong
A
Education
4.3 / 5.0
40.9% bachelor's degree or higher
Nellie experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 28°F in January while summers reach 73°F in July. Annual precipitation totals 41.9 inches. The area receives 18.1 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
28°F Jan (-2°C)
73°F Jul (23°C)
| Annual Average | 51.4°F |
| 5% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 825 ft (251 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 469/sq mi |
| Coordinates | 40.3385°N, 82.0714°W |
| Timezone | America/New_York |
| County | Knox County County |
| Nearest Airport | Mansfield Lahm Regional (MFD) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
| Good Days % | 84.9% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0462 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 61.0 / 100 |
| Social Vulnerability | 62.7 / 100 |
| Community Resilience | 80.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 3.3 in | Coldest |
| February | 31°F (-0°C) | 2.5 in | Driest |
| March | 40°F (4°C) | 3.8 in | |
| April | 51°F (11°C) | 4.0 in | |
| May | 61°F (16°C) | 4.0 in | |
| June | 69°F (21°C) | 4.9 in | Wettest |
| July | 73°F (23°C) | 3.5 in | Warmest |
| August | 71°F (22°C) | 3.5 in | |
| September | 65°F (18°C) | 3.1 in | |
| October | 53°F (12°C) | 3.1 in | |
| November | 42°F (5°C) | 3.0 in | |
| December | 33°F (0°C) | 3.3 in |
Nellie has a seasonal temperature swing of 45°F / from 28°F in January to 73°F in July. Total annual precipitation is 41.9 inches, with June being the wettest month (4.9") and February the driest (2.5").