Wilmot, SD
Full City Profile · South Dakota · Roberts County County
4.1
/5.0
A
Great
441
Population
832/sq mi density
$61,563
Median Income
$38,754 per capita
$68,600
Home Value
$233,146 Zillow
$642
Median Rent
18.5% income on rent
43°F
Avg Temperature
A
Overall
4.1 / 5.0
Strong
A
Economy
4.1 / 5.0
$61,563 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$68,600 home value, $642/mo rent
B
Education
3.3 / 5.0
29.0% bachelor's degree or higher
Wilmot has a cool climate with an average annual temperature of 43°F (6°C). Winters average 12°F in January while summers reach 71°F in July. Annual precipitation totals 24.6 inches. The area receives 51.0 inches of snow annually.
Temperature
12°F Jan (-11°C)
71°F Jul (22°C)
| Annual Average | 43.2°F |
| 20% below US avg | |
| January Average | 12°F (-11°C) |
| July Average | 71°F (22°C) |
Geography
| Elevation | 1,190 ft (363 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 832/sq mi |
| Coordinates | 45.4091°N, 96.8546°W |
| Timezone | America/Chicago |
| County | Roberts County County |
| Nearest Airport | Watertown Regional (ATY) 37 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 37.8 / 100 |
| Social Vulnerability | 77.3 / 100 |
| Community Resilience | 24.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 12°F (-11°C) | 0.8 in | Coldest |
| February | 16°F (-9°C) | 0.8 in | |
| March | 29°F (-2°C) | 1.2 in | |
| April | 43°F (6°C) | 2.5 in | |
| May | 56°F (13°C) | 2.9 in | |
| June | 67°F (19°C) | 3.7 in | Wettest |
| July | 71°F (22°C) | 3.7 in | Warmest |
| August | 69°F (20°C) | 2.7 in | |
| September | 60°F (16°C) | 2.3 in | |
| October | 46°F (8°C) | 2.4 in | |
| November | 31°F (-0°C) | 0.9 in | |
| December | 19°F (-8°C) | 0.8 in | Driest |
Wilmot has a seasonal temperature swing of 59°F / from 12°F in January to 71°F in July. Total annual precipitation is 24.6 inches, with June being the wettest month (3.7") and December the driest (0.8").