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Heidelberg, MN
Full City Profile · Minnesota · Le Sueur County County
3.5
/5.0
B+
Good
221
Population
425/sq mi density
$111,563
Median Income
$34,824 per capita
$293,800
Home Value
$311,296 Zillow
44°F
Avg Temperature
270 sunny days/yr
102
Violent Crime/100K
1,666 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$111,563 median income, 5.1% unemployment
A+
Affordability
5.0 / 5.0
$293,800 home value, /mo rent
F
Safety
1.0 / 5.0
102 violent crimes/100K
B+
Education
3.5 / 5.0
31.5% bachelor's degree or higher
Heidelberg has a cool climate with an average annual temperature of 44°F (7°C). Winters average 13°F in January while summers reach 72°F in July. The area gets 270 sunny days per year. Annual precipitation totals 32.4 inches. The area receives 37.9 inches of snow annually. Air quality is rated Good with a median AQI of 36.
Temperature
13°F Jan (-11°C)
72°F Jul (22°C)
| Annual Average | 43.9°F |
| 19% below US avg | |
| January Average | 13°F (-11°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 1,052 ft (321 m) |
| Area | 0.5 sq mi (1.4 km²) |
| Population Density | 425/sq mi |
| Coordinates | 44.4931°N, 93.6264°W |
| Timezone | America/Chicago |
| County | Le Sueur County County |
| Nearest Airport | Mankato Regional (MKT) 24 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 22.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 96.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very 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 | 13°F (-11°C) | 0.8 in | Coldest |
| February | 18°F (-8°C) | 0.7 in | Driest |
| March | 30°F (-1°C) | 1.9 in | |
| April | 45°F (7°C) | 2.6 in | |
| May | 58°F (15°C) | 3.5 in | |
| June | 67°F (20°C) | 4.1 in | |
| July | 72°F (22°C) | 4.2 in | Warmest, Wettest |
| August | 69°F (20°C) | 4.1 in | |
| September | 60°F (16°C) | 3.3 in | |
| October | 48°F (9°C) | 2.2 in | |
| November | 32°F (-0°C) | 1.5 in | |
| December | 17°F (-8°C) | 1.0 in |
Heidelberg has a seasonal temperature swing of 59°F / from 13°F in January to 72°F in July. Total annual precipitation is 29.8 inches, with July being the wettest month (4.2") and February the driest (0.7").