Trafalgar, IN
Full City Profile · Indiana · Johnson County County
3.7
/5.0
B+
Good
1,433
Population
560/sq mi density
$83,214
Median Income
$36,744 per capita
$216,400
Home Value
$370,497 Zillow
$1,000
Median Rent
32.9% income on rent
52°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$83,214 median income, 5.2% unemployment
A+
Affordability
5.0 / 5.0
$216,400 home value, $1,000/mo rent
C+
Safety
2.5 / 5.0
0 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. Annual precipitation totals 45.0 inches. The area receives 16.9 inches of snow annually.
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) |
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
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) | 3.2 in | Coldest |
| February | 30°F (-1°C) | 2.4 in | Driest |
| March | 40°F (4°C) | 3.6 in | |
| April | 51°F (11°C) | 4.8 in | |
| May | 62°F (17°C) | 5.0 in | |
| June | 71°F (22°C) | 5.1 in | Wettest |
| July | 74°F (23°C) | 4.4 in | Warmest |
| August | 72°F (22°C) | 3.4 in | |
| September | 66°F (19°C) | 3.3 in | |
| October | 54°F (12°C) | 3.1 in | |
| November | 42°F (5°C) | 3.6 in | |
| December | 32°F (-0°C) | 3.2 in |
Trafalgar has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in July. Total annual precipitation is 45.0 inches, with June being the wettest month (5.1") and February the driest (2.4").