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Henry, SD
Full City Profile · South Dakota · Clark County County
2.7
/5.0
C+
Fair
246
Population
170/sq mi density
$27,254
Median Income
$29,324 per capita
$85,100
Home Value
$487,240 Zillow
43°F
Avg Temperature
276 sunny days/yr
262
Violent Crime/100K
2,215 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$27,254 median income, 0.9% unemployment
A+
Affordability
4.9 / 5.0
$85,100 home value, /mo rent
F
Safety
1.0 / 5.0
262 violent crimes/100K
F
Education
1.2 / 5.0
2.5% bachelor's degree or higher
Henry has a cool climate with an average annual temperature of 43°F (6°C). Winters average 12°F in January while summers reach 71°F in July. The area gets 276 sunny days per year. Annual precipitation totals 22.7 inches. The area receives 41.1 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
12°F Jan (-11°C)
71°F Jul (22°C)
| Annual Average | 43.0°F |
| 20% below US avg | |
| January Average | 12°F (-11°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,812 ft (552 m) |
| Area | 1.5 sq mi (3.8 km²) |
| Population Density | 170/sq mi |
| Coordinates | 44.8809°N, 97.4616°W |
| Timezone | America/Chicago |
| County | Clark County County |
| Nearest Airport | Watertown Regional (ATY) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 4.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 61.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very 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 | No Rating |
| 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) | 0.6 in | Coldest |
| February | 18°F (-8°C) | 0.6 in | |
| March | 30°F (-1°C) | 1.3 in | |
| April | 44°F (7°C) | 2.0 in | |
| May | 57°F (14°C) | 2.9 in | |
| June | 67°F (19°C) | 3.7 in | Wettest |
| July | 71°F (22°C) | 3.0 in | Warmest |
| August | 69°F (21°C) | 2.7 in | |
| September | 59°F (15°C) | 2.0 in | |
| October | 47°F (8°C) | 1.7 in | |
| November | 29°F (-2°C) | 0.9 in | |
| December | 16°F (-9°C) | 0.4 in | Driest |
Henry has a seasonal temperature swing of 59°F / from 12°F in January to 71°F in July. Total annual precipitation is 21.8 inches, with June being the wettest month (3.7") and December the driest (0.4").