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Winter Harbor, ME
Full City Profile · Maine · Hancock County County
3.9
/5.0
B+
Good
321
Population
148/sq mi density
$54,063
Median Income
$45,517 per capita
$198,700
Home Value
$313,758 Zillow
47°F
Avg Temperature
234 sunny days/yr
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$54,063 median income, 0.0% unemployment
A+
Affordability
4.6 / 5.0
$198,700 home value, /mo rent
B
Education
3.0 / 5.0
25.6% bachelor's degree or higher
Winter Harbor experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 24°F in January while summers reach 70°F in July. The area gets 234 sunny days per year. Annual precipitation totals 55.5 inches. Air quality is rated Good with a median AQI of 34.
Temperature
24°F Jan (-5°C)
70°F Jul (21°C)
| Annual Average | 47.3°F |
| 12% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 40 ft (12 m) |
| Area | 2.2 sq mi (5.6 km²) |
| Population Density | 148/sq mi |
| Coordinates | 44.3928°N, 68.0917°W |
| Timezone | America/New_York |
| County | Hancock County County |
| Nearest Airport | Bangor International (BGR) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0412 ppm |
| SO₂ (Sulfur Dioxide) | 0.06 ppb |
| CO (Carbon Monoxide) | 0.17 ppm |
| PM2.5 (Fine Particles) | 4.2 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 55.0 / 100 |
| Social Vulnerability | 30.2 / 100 |
| Community Resilience | 97.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Coastal Flood | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.6 m (12 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2008 | MAINE | Avalanche | 3.6 m | — | 144 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 4.9 in | |
| February | 23°F (-5°C) | 3.9 in | Coldest |
| March | 31°F (-0°C) | 4.4 in | |
| April | 42°F (5°C) | 4.7 in | |
| May | 52°F (11°C) | 4.3 in | |
| June | 60°F (16°C) | 3.7 in | |
| July | 70°F (21°C) | 3.4 in | Warmest |
| August | 66°F (19°C) | 3.0 in | Driest |
| September | 58°F (14°C) | 4.2 in | |
| October | 48°F (9°C) | 4.6 in | |
| November | 39°F (4°C) | 5.8 in | Wettest |
| December | 27°F (-3°C) | 5.4 in |
Winter Harbor has a seasonal temperature swing of 47°F / from 23°F in February to 70°F in July. Total annual precipitation is 52.2 inches, with November being the wettest month (5.8") and August the driest (3.0").