Gratis, OH
Full City Profile · Ohio · Preble County County
3.8
/5.0
B+
Good
876
Population
903/sq mi density
$76,131
Median Income
$31,610 per capita
$141,800
Home Value
$225,690 Zillow
$850
Median Rent
20.8% income on rent
51°F
Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$76,131 median income, 6.4% unemployment
A+
Affordability
5.0 / 5.0
$141,800 home value, $850/mo rent
C+
Education
2.5 / 5.0
18.8% bachelor's degree or higher
Gratis experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 26°F in January while summers reach 73°F in July. Annual precipitation totals 42.5 inches. The area receives 9.7 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
26°F Jan (-3°C)
73°F Jul (23°C)
| Annual Average | 51.2°F |
| 5% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 875 ft (267 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 903/sq mi |
| Coordinates | 39.6483°N, 84.5287°W |
| Timezone | America/New_York |
| County | Preble County County |
| Nearest Airport | Middletown Regional/Hook Field (MWO) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
| Good Days % | 68.9% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0404 ppm |
| SO₂ (Sulfur Dioxide) | 0.43 ppb |
| CO (Carbon Monoxide) | 0.17 ppm |
| PM2.5 (Fine Particles) | 9.2 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 43.3 / 100 |
| Social Vulnerability | 30.9 / 100 |
| Community Resilience | 66.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| 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) | 3.3 in | Coldest |
| February | 30°F (-1°C) | 2.4 in | Driest |
| March | 39°F (4°C) | 3.5 in | |
| April | 51°F (10°C) | 4.4 in | |
| May | 61°F (16°C) | 4.6 in | |
| June | 70°F (21°C) | 4.8 in | Wettest |
| July | 73°F (23°C) | 4.0 in | Warmest |
| August | 72°F (22°C) | 2.8 in | |
| September | 66°F (19°C) | 3.1 in | |
| October | 53°F (12°C) | 3.2 in | |
| November | 41°F (5°C) | 3.1 in | |
| December | 32°F (-0°C) | 3.3 in |
Gratis has a seasonal temperature swing of 47°F / from 26°F in January to 73°F in July. Total annual precipitation is 42.5 inches, with June being the wettest month (4.8") and February the driest (2.4").