Castine, OH
Full City Profile · Ohio · Preble County County
3.4
/5.0
B
Good
77
Population
963/sq mi density
$49,375
Median Income
$24,973 per capita
$102,800
Home Value
$127,700 Zillow
52°F
Avg Temperature
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$49,375 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$102,800 home value, /mo rent
F
Education
1.3 / 5.0
4.1% bachelor's degree or higher
Castine experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 27°F in January while summers reach 74°F in July. Annual precipitation totals 42.1 inches. The area receives 12.4 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
27°F Jan (-3°C)
74°F Jul (23°C)
| Annual Average | 51.9°F |
| 4% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 1,079 ft (329 m) |
| Area | 0.1 sq mi (0.2 km²) |
| Population Density | 963/sq mi |
| Coordinates | 39.9310°N, 84.6247°W |
| Timezone | America/New_York |
| County | Preble County County |
| Nearest Airport | James M Cox Dayton International (DAY) 22 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 | 27°F (-3°C) | 3.3 in | Coldest |
| February | 30°F (-1°C) | 2.4 in | Driest |
| March | 40°F (4°C) | 3.4 in | |
| April | 52°F (11°C) | 4.2 in | |
| May | 63°F (17°C) | 4.5 in | |
| June | 71°F (22°C) | 4.7 in | Wettest |
| July | 74°F (23°C) | 4.0 in | Warmest |
| August | 72°F (22°C) | 3.2 in | |
| September | 66°F (19°C) | 3.2 in | |
| October | 54°F (12°C) | 3.1 in | |
| November | 42°F (6°C) | 3.1 in | |
| December | 32°F (0°C) | 3.0 in |
Castine has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in July. Total annual precipitation is 42.1 inches, with June being the wettest month (4.7") and February the driest (2.4").