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Alpena, SD
Full City Profile · South Dakota · Jerauld County County
2.9
/5.0
C+
Fair
349
Population
214/sq mi density
$65,417
Median Income
$44,124 per capita
$46,100
Home Value
$228,113 Zillow
$867
Median Rent
26.9% income on rent
46°F
Avg Temperature
276 sunny days/yr
386
Violent Crime/100K
2,427 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$65,417 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$46,100 home value, $867/mo rent
F
Safety
1.0 / 5.0
386 violent crimes/100K (1% above avg)
D
Education
1.7 / 5.0
8.3% bachelor's degree or higher
Alpena experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 16°F in January while summers reach 73°F in July. The area gets 276 sunny days per year. Annual precipitation totals 24.6 inches. The area receives 26.3 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
16°F Jan (-9°C)
73°F Jul (23°C)
| Annual Average | 45.5°F |
| 16% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,321 ft (403 m) |
| Area | 0.0 sq mi (0.0 km²) |
| Population Density | 214/sq mi |
| Coordinates | 44.1834°N, 98.3684°W |
| Timezone | America/Chicago |
| County | Jerauld County County |
| Nearest Airport | Huron Regional (HON) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 9.5 / 100 |
| Social Vulnerability | 50.5 / 100 |
| Community Resilience | 64.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 0.4 in | Coldest, Driest |
| February | 22°F (-6°C) | 0.6 in | |
| March | 33°F (0°C) | 1.6 in | |
| April | 47°F (8°C) | 2.4 in | |
| May | 59°F (15°C) | 3.2 in | |
| June | 69°F (20°C) | 3.3 in | Wettest |
| July | 73°F (23°C) | 2.7 in | Warmest |
| August | 72°F (22°C) | 2.1 in | |
| September | 62°F (17°C) | 1.8 in | |
| October | 49°F (9°C) | 1.5 in | |
| November | 32°F (-0°C) | 0.8 in | |
| December | 19°F (-7°C) | 0.4 in |
Alpena has a seasonal temperature swing of 57°F / from 16°F in January to 73°F in July. Total annual precipitation is 20.8 inches, with June being the wettest month (3.3") and January the driest (0.4").