St. Clair, MN
Full City Profile · Minnesota · Waseca County County
4.3
/5.0
A
Great
785
Population
1,208/sq mi density
$101,375
Median Income
$35,983 per capita
$200,800
Home Value
$335,461 Zillow
45°F
Avg Temperature
A
Overall
4.3 / 5.0
Strong
A+
Economy
4.6 / 5.0
$101,375 median income, 4.5% unemployment
A+
Affordability
5.0 / 5.0
$200,800 home value, /mo rent
B
Education
3.4 / 5.0
30.3% bachelor's degree or higher
St. Clair has a cool climate with an average annual temperature of 45°F (7°C). Winters average 15°F in January while summers reach 72°F in July. Annual precipitation totals 33.9 inches. The area receives 38.7 inches of snow annually.
Temperature
15°F Jan (-10°C)
72°F Jul (22°C)
| Annual Average | 45.3°F |
| 16% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 979 ft (298 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 1,208/sq mi |
| Coordinates | 44.0839°N, 93.8605°W |
| Timezone | America/Chicago |
| County | Waseca County County |
| Nearest Airport | Mankato Regional (MKT) 10 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 24.7 / 100 |
| Social Vulnerability | 31.5 / 100 |
| Community Resilience | 94.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-10°C) | 1.0 in | Coldest |
| February | 19°F (-7°C) | 0.8 in | Driest |
| March | 31°F (-0°C) | 1.9 in | |
| April | 45°F (7°C) | 3.3 in | |
| May | 58°F (15°C) | 4.2 in | |
| June | 68°F (20°C) | 5.6 in | Wettest |
| July | 72°F (22°C) | 4.3 in | Warmest |
| August | 70°F (21°C) | 4.3 in | |
| September | 62°F (17°C) | 3.3 in | |
| October | 49°F (9°C) | 2.4 in | |
| November | 34°F (1°C) | 1.7 in | |
| December | 21°F (-6°C) | 1.1 in |
St. Clair has a seasonal temperature swing of 57°F / from 15°F in January to 72°F in July. Total annual precipitation is 33.9 inches, with June being the wettest month (5.6") and February the driest (0.8").