Arco, MN
Full City Profile · Minnesota · Lincoln County County
2.7
/5.0
C+
Fair
61
Population
210/sq mi density
$60,625
Median Income
$32,938 per capita
43°F
Avg Temperature
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$60,625 median income, 0.0% unemployment
F
Education
1.4 / 5.0
5.4% bachelor's degree or higher
Arco has a cool climate with an average annual temperature of 43°F (6°C). Winters average 12°F in January while summers reach 70°F in July. Annual precipitation totals 29.9 inches. The area receives 42.0 inches of snow annually.
Temperature
12°F Jan (-11°C)
70°F Jul (21°C)
| Annual Average | 42.5°F |
| 21% below US avg | |
| January Average | 12°F (-11°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 1,663 ft (507 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 210/sq mi |
| Coordinates | 44.3847°N, 96.1839°W |
| Timezone | America/Chicago |
| County | Lincoln County County |
| Nearest Airport | Southwest Minnesota Regional Marshall/Ryan Field (MML) 18 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 18.2 / 100 |
| Social Vulnerability | 34.5 / 100 |
| Community Resilience | 72.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 12°F (-11°C) | 0.7 in | Coldest, Driest |
| February | 16°F (-9°C) | 0.8 in | |
| March | 28°F (-2°C) | 1.5 in | |
| April | 42°F (6°C) | 3.2 in | |
| May | 55°F (13°C) | 3.7 in | |
| June | 65°F (18°C) | 5.0 in | Wettest |
| July | 70°F (21°C) | 3.5 in | Warmest |
| August | 68°F (20°C) | 3.6 in | |
| September | 60°F (15°C) | 3.3 in | |
| October | 46°F (8°C) | 2.3 in | |
| November | 31°F (-1°C) | 1.3 in | |
| December | 18°F (-8°C) | 0.9 in |
Arco has a seasonal temperature swing of 58°F / from 12°F in January to 70°F in July. Total annual precipitation is 29.9 inches, with June being the wettest month (5.0") and January the driest (0.7").