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Hosmer, SD
Full City Profile · South Dakota · Edmunds County County
4.3
/5.0
A
Great
249
Population
252/sq mi density
$65,179
Median Income
$36,964 per capita
$52,700
Home Value
$122,187 Zillow
42°F
Avg Temperature
311 sunny days/yr
A
Overall
4.3 / 5.0
Strong
B+
Economy
3.8 / 5.0
$65,179 median income, 1.4% unemployment
A+
Affordability
5.0 / 5.0
$52,700 home value, /mo rent
A
Education
4.1 / 5.0
38.9% bachelor's degree or higher
Hosmer has a cool climate with an average annual temperature of 42°F (6°C). Winters average 12°F in January while summers reach 70°F in July. The area gets 311 sunny days per year. Annual precipitation totals 19.9 inches. Air quality is rated Good with a median AQI of 35.
Temperature
12°F Jan (-11°C)
70°F Jul (21°C)
| Annual Average | 41.9°F |
| 22% below US avg | |
| January Average | 12°F (-11°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 1,907 ft (581 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 252/sq mi |
| Coordinates | 45.5788°N, 99.4736°W |
| Timezone | America/Chicago |
| County | Edmunds County County |
| Nearest Airport | Aberdeen Regional (ABR) 52 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 7.0 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 58.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| 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 | 12°F (-11°C) | 0.4 in | Coldest, Driest |
| February | 18°F (-8°C) | 0.4 in | |
| March | 29°F (-2°C) | 1.0 in | |
| April | 44°F (7°C) | 1.9 in | |
| May | 56°F (14°C) | 2.6 in | |
| June | 66°F (19°C) | 3.4 in | Wettest |
| July | 70°F (21°C) | 2.6 in | Warmest |
| August | 69°F (21°C) | 2.2 in | |
| September | 59°F (15°C) | 1.5 in | |
| October | 46°F (8°C) | 1.3 in | |
| November | 28°F (-2°C) | 0.6 in | |
| December | 15°F (-9°C) | 0.4 in |
Hosmer has a seasonal temperature swing of 57°F / from 12°F in January to 70°F in July. Total annual precipitation is 18.1 inches, with June being the wettest month (3.4") and January the driest (0.4").