St. Leon, IN
Full City Profile · Indiana · Dearborn County County
4.0
/5.0
A
Great
1,012
Population
148/sq mi density
$86,932
Median Income
$32,851 per capita
$273,900
Home Value
$347,074 Zillow
$867
Median Rent
26.7% income on rent
54°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A+
Economy
4.5 / 5.0
$86,932 median income, 0.9% unemployment
A+
Affordability
4.9 / 5.0
$273,900 home value, $867/mo rent
C+
Education
2.7 / 5.0
21.4% bachelor's degree or higher
St. Leon experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 29°F in January while summers reach 75°F in July. Annual precipitation totals 46.7 inches. The area receives 17.6 inches of snow annually.
Temperature
29°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 53.5°F |
| 1% below US avg | |
| January Average | 29°F (-1°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 1,016 ft (310 m) |
| Area | 6.8 sq mi (17.7 km²) |
| Population Density | 148/sq mi |
| Coordinates | 39.2995°N, 84.9665°W |
| Timezone | America/Indiana/Indianapolis |
| County | Dearborn County County |
| Nearest Airport | Cincinnati/Northern Kentucky International (CVG) 24 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 45.2 / 100 |
| Social Vulnerability | 12.2 / 100 |
| Community Resilience | 48.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-1°C) | 3.5 in | Coldest |
| February | 33°F (0°C) | 2.7 in | Driest |
| March | 42°F (5°C) | 4.0 in | |
| April | 53°F (12°C) | 5.1 in | |
| May | 63°F (17°C) | 5.6 in | Wettest |
| June | 72°F (22°C) | 4.9 in | |
| July | 75°F (24°C) | 3.9 in | Warmest |
| August | 74°F (24°C) | 3.6 in | |
| September | 68°F (20°C) | 3.2 in | |
| October | 55°F (13°C) | 3.3 in | |
| November | 43°F (6°C) | 3.6 in | |
| December | 34°F (1°C) | 3.5 in |
St. Leon has a seasonal temperature swing of 46°F / from 29°F in January to 75°F in July. Total annual precipitation is 46.7 inches, with May being the wettest month (5.6") and February the driest (2.7").