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Millerdale Colony, SD
Full City Profile · South Dakota · Hand County County
3.3
/5.0
B
Good
85
Population
327/sq mi density
45°F
Avg Temperature
276 sunny days/yr
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A
Education
4.2 / 5.0
0.0% bachelor's degree or higher
Millerdale Colony 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 276 sunny days per year. Annual precipitation totals 21.2 inches. The area receives 36.6 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
15°F Jan (-9°C)
72°F Jul (22°C)
| Annual Average | 44.6°F |
| 17% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,922 ft (586 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 327/sq mi |
| Coordinates | 44.3974°N, 99.1103°W |
| Timezone | America/Chicago |
| County | Hand County County |
| Nearest Airport | Huron Regional (HON) 44 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 6.5 / 100 |
| Social Vulnerability | 14.8 / 100 |
| Community Resilience | 58.6 / 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 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) | 0.4 in | Coldest, Driest |
| February | 20°F (-7°C) | 0.5 in | |
| March | 31°F (-1°C) | 1.4 in | |
| April | 45°F (7°C) | 2.2 in | |
| May | 57°F (14°C) | 3.0 in | |
| June | 67°F (19°C) | 3.2 in | Wettest |
| July | 72°F (22°C) | 2.7 in | Warmest |
| August | 71°F (22°C) | 2.3 in | |
| September | 61°F (16°C) | 1.8 in | |
| October | 48°F (9°C) | 1.6 in | |
| November | 31°F (-1°C) | 0.7 in | |
| December | 19°F (-8°C) | 0.4 in |
Millerdale Colony has a seasonal temperature swing of 57°F / from 15°F in January to 72°F in July. Total annual precipitation is 20.1 inches, with June being the wettest month (3.2") and January the driest (0.4").