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Summerset, SD
Full City Profile · South Dakota · Lawrence County County
3.8
/5.0
B+
Good
2,978
Population
1,095/sq mi density
$115,197
Median Income
$41,973 per capita
$337,900
Home Value
$425,283 Zillow
$1,233
Median Rent
31.3% income on rent
46°F
Avg Temperature
311 sunny days/yr
179
Violent Crime/100K
2,039 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$115,197 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$337,900 home value, $1,233/mo rent
F
Safety
1.0 / 5.0
179 violent crimes/100K
A
Education
4.3 / 5.0
41.1% bachelor's degree or higher
Summerset experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 25°F in January while summers reach 71°F in July. The area gets 311 sunny days per year. Annual precipitation totals 18.8 inches. The area receives 36.1 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
25°F Jan (-4°C)
71°F Jul (22°C)
| Annual Average | 46.3°F |
| 14% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 3,612 ft (1,101 m) |
| Area | 0.9 sq mi (2.2 km²) |
| Population Density | 1,095/sq mi |
| Coordinates | 44.1933°N, 103.3422°W |
| Timezone | America/Chicago |
| County | Lawrence County County |
| Nearest Airport | Ellsworth Afb (RCA) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 49.3 / 100 |
| Social Vulnerability | 35.5 / 100 |
| Community Resilience | 54.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 0.6 in | Coldest, Driest |
| February | 28°F (-2°C) | 0.7 in | |
| March | 33°F (1°C) | 1.3 in | |
| April | 43°F (6°C) | 2.5 in | |
| May | 53°F (12°C) | 3.7 in | Wettest |
| June | 63°F (17°C) | 3.6 in | |
| July | 71°F (22°C) | 2.5 in | Warmest |
| August | 68°F (20°C) | 2.0 in | |
| September | 58°F (15°C) | 1.5 in | |
| October | 47°F (8°C) | 1.5 in | |
| November | 34°F (1°C) | 0.8 in | |
| December | 26°F (-3°C) | 0.7 in |
Summerset has a seasonal temperature swing of 46°F / from 25°F in January to 71°F in July. Total annual precipitation is 21.2 inches, with May being the wettest month (3.7") and January the driest (0.6").