Green Isle, MN
Full City Profile · Minnesota · Sibley County County
4.1
/5.0
A
Great
437
Population
428/sq mi density
$86,607
Median Income
$35,875 per capita
$194,600
Home Value
$321,001 Zillow
45°F
Avg Temperature
A
Overall
4.1 / 5.0
Strong
A+
Economy
4.7 / 5.0
$86,607 median income, 0.8% unemployment
A+
Affordability
5.0 / 5.0
$194,600 home value, /mo rent
C
Education
2.5 / 5.0
18.3% bachelor's degree or higher
Green Isle has a cool climate with an average annual temperature of 45°F (7°C). Winters average 14°F in January while summers reach 73°F in July. Annual precipitation totals 32.5 inches. The area receives 50.0 inches of snow annually.
Temperature
14°F Jan (-10°C)
73°F Jul (23°C)
| Annual Average | 44.9°F |
| 17% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 996 ft (304 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 428/sq mi |
| Coordinates | 44.6829°N, 94.0041°W |
| Timezone | America/Chicago |
| County | Sibley County County |
| Nearest Airport | Mankato Regional (MKT) 32 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 23.0 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 93.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively 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 | 14°F (-10°C) | 0.8 in | Coldest, Driest |
| February | 18°F (-8°C) | 0.8 in | |
| March | 30°F (-1°C) | 1.8 in | |
| April | 45°F (7°C) | 2.9 in | |
| May | 58°F (15°C) | 4.3 in | |
| June | 69°F (21°C) | 5.1 in | Wettest |
| July | 73°F (23°C) | 4.0 in | Warmest |
| August | 70°F (21°C) | 4.4 in | |
| September | 62°F (17°C) | 3.2 in | |
| October | 48°F (9°C) | 2.6 in | |
| November | 33°F (0°C) | 1.6 in | |
| December | 20°F (-7°C) | 1.1 in |
Green Isle has a seasonal temperature swing of 59°F / from 14°F in January to 73°F in July. Total annual precipitation is 32.5 inches, with June being the wettest month (5.1") and January the driest (0.8").