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Wentworth, SD
Full City Profile · South Dakota · Minnehaha County County
3.3
/5.0
B
Good
189
Population
756/sq mi density
$91,875
Median Income
$44,576 per capita
$775
Median Rent
10.0% income on rent
45°F
Avg Temperature
291 sunny days/yr
142
Violent Crime/100K
1,332 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$91,875 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
F
Safety
1.0 / 5.0
142 violent crimes/100K
C
Education
2.3 / 5.0
16.4% bachelor's degree or higher
Wentworth 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. The area gets 291 sunny days per year. Annual precipitation totals 29.6 inches. Air quality is rated Good with a median AQI of 35.
Temperature
15°F Jan (-9°C)
72°F Jul (22°C)
| Annual Average | 45.1°F |
| 16% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 1,697 ft (517 m) |
| Area | 0.3 sq mi (0.6 km²) |
| Population Density | 756/sq mi |
| Coordinates | 43.9969°N, 96.9645°W |
| Timezone | America/Chicago |
| County | Minnehaha County County |
| Nearest Airport | Brookings Regional (BKX) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0443 ppm |
| NO₂ (Nitrogen Dioxide) | 8.4 ppb |
| SO₂ (Sulfur Dioxide) | 0.16 ppb |
| CO (Carbon Monoxide) | 0.24 ppm |
| PM2.5 (Fine Particles) | 7.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.5 / 100 |
| Social Vulnerability | 14.1 / 100 |
| Community Resilience | 86.9 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-9°C) | 0.5 in | Coldest, Driest |
| February | 20°F (-7°C) | 0.6 in | |
| March | 31°F (-0°C) | 1.6 in | |
| April | 45°F (7°C) | 2.4 in | |
| May | 58°F (15°C) | 3.0 in | |
| June | 68°F (20°C) | 3.7 in | Wettest |
| July | 72°F (22°C) | 3.0 in | Warmest |
| August | 70°F (21°C) | 2.9 in | |
| September | 60°F (16°C) | 2.6 in | |
| October | 48°F (9°C) | 1.8 in | |
| November | 31°F (-1°C) | 1.1 in | |
| December | 18°F (-8°C) | 0.6 in |
Wentworth has a seasonal temperature swing of 56°F / from 15°F in January to 72°F in July. Total annual precipitation is 23.8 inches, with June being the wettest month (3.7") and January the driest (0.5").