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Spring Grove, IN
Full City Profile · Indiana · Preble County County
2.9
/5.0
C+
Fair
492
Population
1,640/sq mi density
$55,804
Median Income
$33,388 per capita
$133,300
Home Value
$171,601 Zillow
$441
Median Rent
28.4% income on rent
52°F
Avg Temperature
293 sunny days/yr
285
Violent Crime/100K
1,425 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$55,804 median income, 3.5% unemployment
A+
Affordability
5.0 / 5.0
$133,300 home value, $441/mo rent
F
Safety
1.0 / 5.0
285 violent crimes/100K
B
Education
3.0 / 5.0
25.1% bachelor's degree or higher
Spring Grove experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 28°F in January while summers reach 74°F in July. The area gets 293 sunny days per year. Annual precipitation totals 42.9 inches. Air quality is rated Good with a median AQI of 41.
Temperature
28°F Jan (-2°C)
74°F Jul (23°C)
| Annual Average | 52.3°F |
| 3% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 992 ft (302 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 1,640/sq mi |
| Coordinates | 39.8472°N, 84.8912°W |
| Timezone | America/Indiana/Indianapolis |
| County | Preble County County |
| Nearest Airport | Middletown Regional/Hook Field (MWO) 34 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
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 | 28°F (-2°C) | 2.2 in | Coldest, Driest |
| February | 29°F (-2°C) | 2.3 in | |
| March | 39°F (4°C) | 3.4 in | |
| April | 50°F (10°C) | 3.9 in | |
| May | 60°F (16°C) | 4.5 in | Wettest |
| June | 69°F (21°C) | 3.9 in | |
| July | 74°F (23°C) | 4.2 in | Warmest |
| August | 71°F (22°C) | 3.5 in | |
| September | 65°F (18°C) | 2.7 in | |
| October | 53°F (12°C) | 2.9 in | |
| November | 42°F (5°C) | 3.3 in | |
| December | 31°F (-1°C) | 3.1 in |
Spring Grove has a seasonal temperature swing of 46°F / from 28°F in January to 74°F in July. Total annual precipitation is 39.9 inches, with May being the wettest month (4.5") and January the driest (2.2").