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Lemmon, SD
Full City Profile · South Dakota · Perkins County County
3.7
/5.0
B+
Good
1,214
Population
1,104/sq mi density
$42,461
Median Income
$28,757 per capita
$79,700
Home Value
$119,678 Zillow
$631
Median Rent
26.4% income on rent
46°F
Avg Temperature
311 sunny days/yr
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$42,461 median income, 1.7% unemployment
A+
Affordability
5.0 / 5.0
$79,700 home value, $631/mo rent
C+
Education
2.6 / 5.0
20.2% bachelor's degree or higher
Lemmon experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 19°F in January while summers reach 73°F in July. The area gets 311 sunny days per year. Annual precipitation totals 18.0 inches. The area receives 42.3 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
19°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 45.7°F |
| 15% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 2,566 ft (782 m) |
| Area | 1.0 sq mi (2.7 km²) |
| Population Density | 1,104/sq mi |
| Coordinates | 45.9384°N, 102.1598°W |
| Timezone | America/Chicago |
| County | Perkins County County |
| Nearest Airport | Dickinson/Theodore Roosevelt Regional (DIK) 67 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 2.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 13.3 / 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 Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 0.4 in | Driest |
| February | 21°F (-6°C) | 0.5 in | |
| March | 30°F (-1°C) | 1.0 in | |
| April | 43°F (6°C) | 2.1 in | |
| May | 56°F (13°C) | 2.9 in | |
| June | 65°F (18°C) | 3.4 in | Wettest |
| July | 73°F (23°C) | 2.2 in | Warmest |
| August | 70°F (21°C) | 1.7 in | |
| September | 59°F (15°C) | 1.5 in | |
| October | 47°F (8°C) | 1.0 in | |
| November | 30°F (-1°C) | 0.5 in | |
| December | 19°F (-8°C) | 0.5 in | Coldest |
Lemmon has a seasonal temperature swing of 54°F / from 19°F in December to 73°F in July. Total annual precipitation is 17.6 inches, with June being the wettest month (3.4") and January the driest (0.4").