Heidelberg, MN
Full City Profile · Minnesota · Le Sueur County County
4.3
/5.0
A
Great
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
A
Overall
4.3 / 5.0
Strong
A
Economy
4.3 / 5.0
$111,563 median income, 7.0% unemployment
A+
Affordability
5.0 / 5.0
$293,800 home value, /mo rent
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 14°F in January while summers reach 71°F in July. Annual precipitation totals 34.6 inches. The area receives 39.1 inches of snow annually.
Temperature
14°F Jan (-10°C)
71°F Jul (22°C)
| Annual Average | 44.2°F |
| 18% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 71°F (22°C) |
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
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 | 14°F (-10°C) | 1.1 in | Coldest |
| February | 18°F (-8°C) | 1.0 in | Driest |
| March | 30°F (-1°C) | 1.9 in | |
| April | 44°F (7°C) | 3.5 in | |
| May | 57°F (14°C) | 4.2 in | |
| June | 67°F (20°C) | 5.2 in | Wettest |
| July | 71°F (22°C) | 4.3 in | Warmest |
| August | 68°F (20°C) | 4.1 in | |
| September | 61°F (16°C) | 3.5 in | |
| October | 48°F (9°C) | 2.6 in | |
| November | 33°F (1°C) | 1.8 in | |
| December | 20°F (-7°C) | 1.3 in |
Heidelberg has a seasonal temperature swing of 57°F / from 14°F in January to 71°F in July. Total annual precipitation is 34.6 inches, with June being the wettest month (5.2") and February the driest (1.0").