All Countries
Buffalo Gap, SD
Full City Profile · South Dakota · Custer County County
3.1
/5.0
B
Good
140
Population
452/sq mi density
$55,268
Median Income
$33,024 per capita
$67,500
Home Value
$335,202 Zillow
47°F
Avg Temperature
302 sunny days/yr
86
Violent Crime/100K
690 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$55,268 median income, 1.7% unemployment
A+
Affordability
5.0 / 5.0
$67,500 home value, /mo rent
F
Safety
1.0 / 5.0
86 violent crimes/100K
C+
Education
2.6 / 5.0
20.0% bachelor's degree or higher
Buffalo Gap experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 25°F in January while summers reach 73°F in July. The area gets 302 sunny days per year. Annual precipitation totals 18.2 inches. The area receives 36.8 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
25°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 47.2°F |
| 13% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 3,268 ft (996 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 452/sq mi |
| Coordinates | 43.4922°N, 103.3153°W |
| Timezone | America/Chicago |
| County | Custer County County |
| Nearest Airport | Rapid City Regional (RAP) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0488 ppm |
| PM2.5 (Fine Particles) | 4.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 16.4 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 47.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 0.3 in | Coldest, Driest |
| February | 29°F (-2°C) | 0.4 in | |
| March | 37°F (3°C) | 0.9 in | |
| April | 47°F (8°C) | 1.9 in | |
| May | 57°F (14°C) | 2.9 in | Wettest |
| June | 67°F (20°C) | 2.9 in | |
| July | 73°F (23°C) | 2.4 in | Warmest |
| August | 72°F (22°C) | 1.6 in | |
| September | 62°F (16°C) | 1.3 in | |
| October | 49°F (10°C) | 1.1 in | |
| November | 34°F (1°C) | 0.5 in | |
| December | 26°F (-4°C) | 0.4 in |
Buffalo Gap has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 16.4 inches, with May being the wettest month (2.9") and January the driest (0.3").