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St. Omer, IN
Full City Profile · Indiana · Decatur County County
3.0
/5.0
B
Good
46
Population
184/sq mi density
$48,125
Median Income
$29,643 per capita
54°F
Avg Temperature
293 sunny days/yr
263
Violent Crime/100K
644 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$48,125 median income, 0.0% unemployment
F
Safety
1.0 / 5.0
263 violent crimes/100K
A
Education
4.1 / 5.0
0.0% bachelor's degree or higher
St. Omer experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 30°F in January while summers reach 76°F in July. The area gets 293 sunny days per year. Annual precipitation totals 47.3 inches. The area receives 16.3 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
30°F Jan (-1°C)
76°F Jul (24°C)
| Annual Average | 54.1°F |
| 0% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 885 ft (270 m) |
| Area | 0.3 sq mi (0.6 km²) |
| Population Density | 184/sq mi |
| Coordinates | 39.4343°N, 85.5934°W |
| Timezone | America/Indiana/Indianapolis |
| County | Decatur County County |
| Nearest Airport | Indianapolis International (IND) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 23.1 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 78.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively 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 | 30°F (-1°C) | 2.4 in | Coldest, Driest |
| February | 30°F (-1°C) | 2.4 in | |
| March | 41°F (5°C) | 3.7 in | |
| April | 51°F (11°C) | 4.1 in | |
| May | 62°F (17°C) | 4.7 in | Wettest |
| June | 71°F (21°C) | 3.7 in | |
| July | 76°F (24°C) | 4.4 in | Warmest |
| August | 72°F (22°C) | 3.8 in | |
| September | 66°F (19°C) | 2.9 in | |
| October | 54°F (12°C) | 2.9 in | |
| November | 43°F (6°C) | 3.6 in | |
| December | 32°F (0°C) | 3.2 in |
St. Omer has a seasonal temperature swing of 46°F / from 30°F in January to 76°F in July. Total annual precipitation is 41.8 inches, with May being the wettest month (4.7") and January the driest (2.4").