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Harrison Lake, IN
Full City Profile · Indiana · Brown County County
3.0
/5.0
B
Good
193
Population
715/sq mi density
$788,200
Home Value
$272,715 Zillow
52°F
Avg Temperature
293 sunny days/yr
97
Violent Crime/100K
4,332 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
97 violent crimes/100K
A+
Education
5.0 / 5.0
83.9% bachelor's degree or higher
Harrison Lake 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 | 710 ft (216 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 715/sq mi |
| Coordinates | 39.1845°N, 86.0262°W |
| Timezone | America/Indiana/Indianapolis |
| County | Brown County County |
| Nearest Airport | Indianapolis International (IND) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0458 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 19.7 / 100 |
| Social Vulnerability | 47.4 / 100 |
| Community Resilience | 59.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 2.6 in | Coldest, Driest |
| February | 32°F (-0°C) | 2.6 in | |
| March | 42°F (5°C) | 3.7 in | |
| April | 52°F (11°C) | 4.4 in | |
| May | 61°F (16°C) | 4.7 in | Wettest |
| June | 70°F (21°C) | 3.5 in | |
| July | 74°F (23°C) | 4.3 in | Warmest |
| August | 73°F (23°C) | 3.9 in | |
| September | 66°F (19°C) | 3.2 in | |
| October | 54°F (12°C) | 3.0 in | |
| November | 44°F (7°C) | 3.8 in | |
| December | 33°F (1°C) | 3.2 in |
Harrison Lake has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in July. Total annual precipitation is 42.9 inches, with May being the wettest month (4.7") and January the driest (2.6").