All Countries
Swift Bird, SD
Full City Profile · South Dakota · Dewey County County
2.9
/5.0
C+
Fair
183
Population
373/sq mi density
44°F
Avg Temperature
276 sunny days/yr
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Safety
2.5 / 5.0
0 violent crimes/100K
B
Education
3.4 / 5.0
0.0% bachelor's degree or higher
Swift Bird has a cool climate with an average annual temperature of 44°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 20.2 inches. The area receives 38.7 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 | 44.3°F |
| 18% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,833 ft (559 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 373/sq mi |
| Coordinates | 45.0601°N, 100.3545°W |
| Timezone | America/Chicago |
| County | Dewey County County |
| Nearest Airport | Pierre Regional (PIR) 47 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 78.7 / 100 |
| Social Vulnerability | 98.7 / 100 |
| Community Resilience | 6.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Very High |
| 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 | 22°F (-6°C) | 0.5 in | |
| March | 32°F (0°C) | 1.1 in | |
| April | 45°F (7°C) | 2.0 in | |
| May | 58°F (14°C) | 2.6 in | |
| June | 67°F (20°C) | 3.0 in | Wettest |
| July | 72°F (22°C) | 2.2 in | |
| August | 73°F (23°C) | 1.9 in | Warmest |
| September | 62°F (16°C) | 1.3 in | |
| October | 49°F (9°C) | 1.1 in | |
| November | 32°F (-0°C) | 0.5 in | |
| December | 20°F (-7°C) | 0.5 in |
Swift Bird has a seasonal temperature swing of 58°F / from 15°F in January to 73°F in August. Total annual precipitation is 17.0 inches, with June being the wettest month (3.0") and January the driest (0.4").