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Cass, IN
Full City Profile · Indiana · Sullivan County County
2.8
/5.0
C+
Fair
58
Population
264/sq mi density
$78,333
Median Income
$125,810 per capita
54°F
Avg Temperature
293 sunny days/yr
56
Violent Crime/100K
3,887 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$78,333 median income, 25.9% unemployment
F
Safety
1.0 / 5.0
56 violent crimes/100K
B+
Education
4.0 / 5.0
0.0% bachelor's degree or higher
Cass experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 29°F in January while summers reach 76°F in July. The area gets 293 sunny days per year. Annual precipitation totals 47.2 inches. Air quality is rated Good with a median AQI of 41.
Temperature
29°F Jan (-1°C)
76°F Jul (24°C)
| Annual Average | 54.4°F |
| 1% above US avg | |
| January Average | 29°F (-1°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 580 ft (177 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 264/sq mi |
| Coordinates | 39.0876°N, 87.2773°W |
| Timezone | America/Indiana/Indianapolis |
| County | Sullivan County County |
| Nearest Airport | Terre Haute Regional (HUF) 25 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 20.6 / 100 |
| Social Vulnerability | 30.3 / 100 |
| Community Resilience | 63.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| 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 | 29°F (-1°C) | 2.4 in | Coldest, Driest |
| February | 32°F (0°C) | 2.4 in | |
| March | 43°F (6°C) | 3.9 in | |
| April | 53°F (12°C) | 4.0 in | |
| May | 63°F (17°C) | 4.8 in | Wettest |
| June | 72°F (22°C) | 4.0 in | |
| July | 76°F (24°C) | 4.7 in | Warmest |
| August | 74°F (23°C) | 3.8 in | |
| September | 67°F (20°C) | 3.2 in | |
| October | 56°F (13°C) | 2.9 in | |
| November | 44°F (7°C) | 3.8 in | |
| December | 33°F (1°C) | 3.2 in |
Cass has a seasonal temperature swing of 47°F / from 29°F in January to 76°F in July. Total annual precipitation is 43.2 inches, with May being the wettest month (4.8") and January the driest (2.4").