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Green Harbor, MA
Full City Profile · Massachusetts · Essex County County
3.5
/5.0
B+
Good
1,254
Population
3,800/sq mi density
$195,930
Median Income
$65,179 per capita
$825,600
Home Value
$1,072,384 Zillow
51°F
Avg Temperature
259 sunny days/yr
65
Violent Crime/100K
572 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$195,930 median income, 1.3% unemployment
A
Affordability
4.3 / 5.0
$825,600 home value, /mo rent
F
Safety
1.0 / 5.0
65 violent crimes/100K
B+
Education
3.7 / 5.0
34.0% bachelor's degree or higher
Green Harbor experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 30°F in January while summers reach 73°F in July. The area gets 259 sunny days per year. Annual precipitation totals 52.3 inches. The area receives 50.9 inches of snow annually. Air quality is rated Good with a median AQI of 37.
Temperature
30°F Jan (-1°C)
73°F Jul (23°C)
| Annual Average | 51.3°F |
| 5% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 0.3 sq mi (0.9 km²) |
| Population Density | 3,800/sq mi |
| Coordinates | 42.0660°N, 70.6487°W |
| Timezone | America/New_York |
| County | Essex County County |
| Nearest Airport | General Edward Lawrence Logan International (BOS) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0421 ppm |
| NO₂ (Nitrogen Dioxide) | 8.1 ppb |
| PM2.5 (Fine Particles) | 7.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.6 / 100 |
| Social Vulnerability | 34.2 / 100 |
| Community Resilience | 95.6 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Coastal Flood | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 4.3 in | Coldest |
| February | 31°F (-1°C) | 3.8 in | |
| March | 37°F (3°C) | 4.5 in | |
| April | 46°F (8°C) | 4.2 in | |
| May | 56°F (13°C) | 3.5 in | |
| June | 65°F (18°C) | 3.5 in | |
| July | 73°F (23°C) | 3.2 in | Warmest, Driest |
| August | 70°F (21°C) | 3.7 in | |
| September | 63°F (17°C) | 4.2 in | |
| October | 53°F (11°C) | 4.1 in | |
| November | 44°F (7°C) | 4.6 in | Wettest |
| December | 35°F (1°C) | 4.3 in |
Green Harbor has a seasonal temperature swing of 43°F / from 30°F in January to 73°F in July. Total annual precipitation is 47.8 inches, with November being the wettest month (4.6") and July the driest (3.2").