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Garretson, SD
Full City Profile · South Dakota · Rock County County
3.4
/5.0
B
Good
1,166
Population
799/sq mi density
$66,375
Median Income
$39,208 per capita
$197,400
Home Value
$272,411 Zillow
$704
Median Rent
18.9% income on rent
45°F
Avg Temperature
291 sunny days/yr
10
Violent Crime/100K
258 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$66,375 median income, 4.0% unemployment
A+
Affordability
5.0 / 5.0
$197,400 home value, $704/mo rent
D
Safety
1.7 / 5.0
10 violent crimes/100K
C+
Education
3.0 / 5.0
24.6% bachelor's degree or higher
Garretson 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 | 1,485 ft (453 m) |
| Area | 0.0 sq mi (0.1 km²) |
| Population Density | 799/sq mi |
| Coordinates | 43.7148°N, 96.5033°W |
| Timezone | America/Chicago |
| County | Rock County County |
| Nearest Airport | Joe Foss Field (FSD) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 9.4 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 60.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| 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 (-9°C) | 0.5 in | Coldest, Driest |
| February | 20°F (-7°C) | 0.6 in | |
| March | 32°F (-0°C) | 1.6 in | |
| April | 46°F (8°C) | 2.4 in | |
| May | 58°F (15°C) | 3.1 in | |
| June | 68°F (20°C) | 3.7 in | Wettest |
| July | 72°F (22°C) | 3.0 in | Warmest |
| August | 70°F (21°C) | 3.0 in | |
| September | 60°F (16°C) | 2.8 in | |
| October | 48°F (9°C) | 2.0 in | |
| November | 31°F (-0°C) | 1.2 in | |
| December | 18°F (-8°C) | 0.7 in |
Garretson has a seasonal temperature swing of 56°F / from 15°F in January to 72°F in July. Total annual precipitation is 24.5 inches, with June being the wettest month (3.7") and January the driest (0.5").