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Irene, SD
Full City Profile · South Dakota · Yankton County County
3.8
/5.0
B+
Good
521
Population
2,004/sq mi density
$59,091
Median Income
$30,102 per capita
$87,100
Home Value
$281,908 Zillow
$781
Median Rent
18.9% income on rent
46°F
Avg Temperature
291 sunny days/yr
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$59,091 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$87,100 home value, $781/mo rent
C
Education
2.3 / 5.0
15.9% bachelor's degree or higher
Irene experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 17°F in January while summers reach 73°F in July. The area gets 291 sunny days per year. Annual precipitation totals 26.9 inches. The area receives 30.5 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
17°F Jan (-8°C)
73°F Jul (23°C)
| Annual Average | 46.4°F |
| 14% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 1,395 ft (425 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 2,004/sq mi |
| Coordinates | 43.0837°N, 97.1576°W |
| Timezone | America/Chicago |
| County | Yankton County County |
| Nearest Airport | Joe Foss Field (FSD) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 63.4 / 100 |
| Social Vulnerability | 66.6 / 100 |
| Community Resilience | 84.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 0.5 in | Coldest, Driest |
| February | 23°F (-5°C) | 0.7 in | |
| March | 34°F (1°C) | 1.6 in | |
| April | 48°F (9°C) | 2.4 in | |
| May | 60°F (16°C) | 3.3 in | |
| June | 70°F (21°C) | 3.7 in | Wettest |
| July | 73°F (23°C) | 3.0 in | Warmest |
| August | 72°F (22°C) | 2.8 in | |
| September | 63°F (17°C) | 2.6 in | |
| October | 50°F (10°C) | 1.7 in | |
| November | 33°F (1°C) | 1.1 in | |
| December | 20°F (-6°C) | 0.6 in |
Irene has a seasonal temperature swing of 56°F / from 17°F in January to 73°F in July. Total annual precipitation is 24.1 inches, with June being the wettest month (3.7") and January the driest (0.5").