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St. Lawrence, SD
Full City Profile · South Dakota · Beadle County County
3.2
/5.0
B
Good
145
Population
426/sq mi density
$42,813
Median Income
$28,123 per capita
$83,800
Home Value
$172,569 Zillow
45°F
Avg Temperature
276 sunny days/yr
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$42,813 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$83,800 home value, /mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
F
Education
1.4 / 5.0
5.6% bachelor's degree or higher
St. Lawrence has a cool climate with an average annual temperature of 45°F (7°C). Winters average 17°F in January while summers reach 73°F in July. The area gets 276 sunny days per year. Annual precipitation totals 22.3 inches. The area receives 43.7 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
17°F Jan (-9°C)
73°F Jul (23°C)
| Annual Average | 45.2°F |
| 16% below US avg | |
| January Average | 17°F (-9°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,573 ft (479 m) |
| Area | 0.3 sq mi (0.9 km²) |
| Population Density | 426/sq mi |
| Coordinates | 44.5166°N, 98.9379°W |
| Timezone | America/Chicago |
| County | Beadle County County |
| Nearest Airport | Huron Regional (HON) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 47.1 / 100 |
| Social Vulnerability | 26.8 / 100 |
| Community Resilience | 51.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-9°C) | 0.4 in | Coldest, Driest |
| February | 20°F (-6°C) | 0.5 in | |
| March | 32°F (-0°C) | 1.5 in | |
| April | 46°F (8°C) | 2.2 in | |
| May | 58°F (14°C) | 3.1 in | |
| June | 68°F (20°C) | 3.2 in | Wettest |
| July | 73°F (23°C) | 2.7 in | Warmest |
| August | 72°F (22°C) | 2.3 in | |
| September | 62°F (17°C) | 1.7 in | |
| October | 49°F (9°C) | 1.5 in | |
| November | 31°F (-0°C) | 0.7 in | |
| December | 18°F (-8°C) | 0.4 in |
St. Lawrence has a seasonal temperature swing of 56°F / from 17°F in January to 73°F in July. Total annual precipitation is 20.2 inches, with June being the wettest month (3.2") and January the driest (0.4").