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Long Hollow, SD
Full City Profile · South Dakota · Marshall County County
1.9
/5.0
D
Poor
165
Population
11/sq mi density
$2,499
Median Income
$11,971 per capita
44°F
Avg Temperature
276 sunny days/yr
449
Violent Crime/100K
1,142 property/100K
D
Overall
1.9 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Economy
1.0 / 5.0
$2,499 median income, 14.3% unemployment
F
Safety
1.0 / 5.0
449 violent crimes/100K (18% above avg)
B+
Education
3.8 / 5.0
0.0% bachelor's degree or higher
Long Hollow has a cool climate with an average annual temperature of 44°F (7°C). Winters average 13°F in January while summers reach 72°F in July. The area gets 276 sunny days per year. Annual precipitation totals 25.4 inches. The area receives 48.0 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
13°F Jan (-10°C)
72°F Jul (22°C)
| Annual Average | 44.0°F |
| 19% below US avg | |
| January Average | 13°F (-10°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,674 ft (510 m) |
| Area | 14.6 sq mi (37.7 km²) |
| Population Density | 11/sq mi |
| Coordinates | 45.6835°N, 97.1586°W |
| Timezone | America/Chicago |
| County | Marshall County County |
| Nearest Airport | Watertown Regional (ATY) 53 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 14.5 / 100 |
| Social Vulnerability | 35.8 / 100 |
| Community Resilience | 51.1 / 100 |
Hazard Breakdown
| Tornado | Relatively 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 | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 13°F (-10°C) | 0.5 in | Coldest, Driest |
| February | 18°F (-8°C) | 0.5 in | |
| March | 30°F (-1°C) | 1.2 in | |
| April | 45°F (7°C) | 2.1 in | |
| May | 58°F (15°C) | 2.8 in | |
| June | 67°F (19°C) | 3.2 in | Wettest |
| July | 72°F (22°C) | 2.9 in | Warmest |
| August | 70°F (21°C) | 2.7 in | |
| September | 60°F (15°C) | 2.0 in | |
| October | 47°F (9°C) | 1.5 in | |
| November | 30°F (-1°C) | 0.8 in | |
| December | 16°F (-9°C) | 0.5 in |
Long Hollow has a seasonal temperature swing of 58°F / from 13°F in January to 72°F in July. Total annual precipitation is 20.7 inches, with June being the wettest month (3.2") and January the driest (0.5").