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Trafalgar, IN
Full City Profile · Indiana · Johnson County County
3.4
/5.0
B
Good
1,433
Population
560/sq mi density
$83,214
Median Income
$36,744 per capita
$216,400
Home Value
$360,137 Zillow
$1,000
Median Rent
32.9% income on rent
52°F
Avg Temperature
293 sunny days/yr
309
Violent Crime/100K
3,916 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$83,214 median income, 3.3% unemployment
A+
Affordability
5.0 / 5.0
$216,400 home value, $1,000/mo rent
F
Safety
1.0 / 5.0
309 violent crimes/100K
C+
Education
3.0 / 5.0
24.4% bachelor's degree or higher
Trafalgar 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. The area gets 293 sunny days per year. Annual precipitation totals 45.4 inches. The area receives 16.9 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
27°F Jan (-3°C)
74°F Jul (23°C)
| Annual Average | 51.6°F |
| 4% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 842 ft (257 m) |
| Area | 2.6 sq mi (6.8 km²) |
| Population Density | 560/sq mi |
| Coordinates | 39.4124°N, 86.1499°W |
| Timezone | America/Indiana/Indianapolis |
| County | Johnson County County |
| Nearest Airport | Indianapolis International (IND) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 74.7 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 87.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 2.4 in | Coldest, Driest |
| February | 31°F (-1°C) | 2.5 in | |
| March | 41°F (5°C) | 3.6 in | |
| April | 52°F (11°C) | 4.1 in | |
| May | 61°F (16°C) | 4.5 in | Wettest |
| June | 70°F (21°C) | 3.5 in | |
| July | 74°F (23°C) | 4.3 in | Warmest |
| August | 73°F (23°C) | 3.8 in | |
| September | 66°F (19°C) | 3.0 in | |
| October | 54°F (12°C) | 2.9 in | |
| November | 43°F (6°C) | 3.7 in | |
| December | 33°F (0°C) | 3.1 in |
Trafalgar has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in July. Total annual precipitation is 41.5 inches, with May being the wettest month (4.5") and January the driest (2.4").