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Green Lake, WI
Full City Profile · Wisconsin · Green Lake County County
3.2
/5.0
B
Good
1,054
Population
567/sq mi density
$53,841
Median Income
$44,516 per capita
$211,400
Home Value
$432,622 Zillow
$719
Median Rent
22.7% income on rent
45°F
Avg Temperature
260 sunny days/yr
104
Violent Crime/100K
312 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$53,841 median income, 1.9% unemployment
A
Affordability
4.5 / 5.0
$211,400 home value, $719/mo rent
F
Safety
1.0 / 5.0
104 violent crimes/100K
B
Education
3.5 / 5.0
31.2% bachelor's degree or higher
Green Lake has a cool climate with an average annual temperature of 45°F (7°C). Winters average 17°F in January while summers reach 70°F in July. The area gets 260 sunny days per year. Annual precipitation totals 35.6 inches. Air quality is rated Good with a median AQI of 38.
Temperature
17°F Jan (-8°C)
70°F Jul (21°C)
| Annual Average | 45.1°F |
| 16% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 810 ft (247 m) |
| Area | 2.1 sq mi (5.3 km²) |
| Population Density | 567/sq mi |
| Coordinates | 43.8428°N, 88.9558°W |
| Timezone | America/Chicago |
| County | Green Lake County County |
| Nearest Airport | Wittman Regional (OSH) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 58.1 / 100 |
| Social Vulnerability | 86.1 / 100 |
| Community Resilience | 77.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively 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 | 17°F (-8°C) | 1.2 in | Coldest |
| February | 21°F (-6°C) | 1.1 in | Driest |
| March | 32°F (-0°C) | 2.1 in | |
| April | 45°F (7°C) | 3.0 in | |
| May | 58°F (14°C) | 3.3 in | |
| June | 67°F (19°C) | 3.6 in | |
| July | 70°F (21°C) | 3.6 in | Warmest |
| August | 69°F (20°C) | 3.8 in | |
| September | 60°F (16°C) | 3.9 in | Wettest |
| October | 49°F (9°C) | 2.4 in | |
| November | 35°F (1°C) | 2.2 in | |
| December | 21°F (-6°C) | 1.5 in |
Green Lake has a seasonal temperature swing of 53°F / from 17°F in January to 70°F in July. Total annual precipitation is 31.6 inches, with September being the wettest month (3.9") and February the driest (1.1").