North Spearfish, SD
Full City Profile · South Dakota · Lawrence County County
4.0
/5.0
A
Great
2,201
Population
514/sq mi density
$69,792
Median Income
$37,376 per capita
$321,800
Home Value
$448,786 Zillow
$1,074
Median Rent
29.8% income on rent
47°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
B+
Economy
3.8 / 5.0
$69,792 median income, 0.0% unemployment
A
Affordability
4.1 / 5.0
$321,800 home value, $1,074/mo rent
A
Education
4.1 / 5.0
38.5% bachelor's degree or higher
North Spearfish experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 26°F in January while summers reach 71°F in July. Annual precipitation totals 21.4 inches. The area receives 70.5 inches of snow annually.
Temperature
26°F Jan (-3°C)
71°F Jul (21°C)
| Annual Average | 46.5°F |
| 14% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 71°F (21°C) |
Geography
| Elevation | 3,646 ft (1,111 m) |
| Area | 4.3 sq mi (11.1 km²) |
| Population Density | 514/sq mi |
| Coordinates | 44.5107°N, 103.9045°W |
| Timezone | America/Chicago |
| County | Lawrence County County |
| Nearest Airport | Ellsworth Afb (RCA) 47 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 49.3 / 100 |
| Social Vulnerability | 35.5 / 100 |
| Community Resilience | 54.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 0.6 in | Coldest, Driest |
| February | 27°F (-3°C) | 0.9 in | |
| March | 35°F (2°C) | 1.2 in | |
| April | 44°F (6°C) | 2.2 in | |
| May | 53°F (12°C) | 3.7 in | Wettest |
| June | 63°F (17°C) | 3.5 in | |
| July | 71°F (21°C) | 2.4 in | Warmest |
| August | 70°F (21°C) | 1.9 in | |
| September | 61°F (16°C) | 1.6 in | |
| October | 47°F (8°C) | 2.0 in | |
| November | 36°F (2°C) | 0.7 in | |
| December | 27°F (-3°C) | 0.7 in |
North Spearfish has a seasonal temperature swing of 45°F / from 26°F in January to 71°F in July. Total annual precipitation is 21.4 inches, with May being the wettest month (3.7") and January the driest (0.6").