St. Francis, SD
Full City Profile · South Dakota · Todd County County
3.5
/5.0
B+
Good
631
Population
1,753/sq mi density
$45,417
Median Income
$16,744 per capita
$572
Median Rent
10.0% income on rent
46°F
Avg Temperature
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
D
Economy
1.6 / 5.0
$45,417 median income, 9.1% unemployment
A+
Affordability
5.0 / 5.0
A
Education
4.0 / 5.0
38.1% bachelor's degree or higher
St. Francis experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 22°F in January while summers reach 72°F in July. Annual precipitation totals 22.6 inches. The area receives 38.2 inches of snow annually.
Temperature
22°F Jan (-5°C)
72°F Jul (22°C)
| Annual Average | 46.1°F |
| 15% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 3,001 ft (915 m) |
| Area | 0.4 sq mi (0.9 km²) |
| Population Density | 1,753/sq mi |
| Coordinates | 43.1426°N, 100.9028°W |
| Timezone | America/Chicago |
| County | Todd County County |
| Nearest Airport | Ainsworth Regional (ANW) 60 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 36.6 / 100 |
| Social Vulnerability | 97.7 / 100 |
| Community Resilience | 0.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-5°C) | 0.8 in | Coldest |
| February | 25°F (-4°C) | 0.9 in | |
| March | 34°F (1°C) | 1.5 in | |
| April | 44°F (6°C) | 3.0 in | |
| May | 55°F (13°C) | 3.4 in | |
| June | 65°F (19°C) | 3.5 in | Wettest |
| July | 72°F (22°C) | 2.6 in | Warmest |
| August | 70°F (21°C) | 2.3 in | |
| September | 61°F (16°C) | 1.8 in | |
| October | 47°F (8°C) | 1.4 in | |
| November | 34°F (1°C) | 0.7 in | Driest |
| December | 24°F (-4°C) | 0.8 in |
St. Francis has a seasonal temperature swing of 49°F / from 22°F in January to 72°F in July. Total annual precipitation is 22.6 inches, with June being the wettest month (3.5") and November the driest (0.7").