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Littlejohn Island, ME
Full City Profile · Maine · Cumberland County County
3.0
/5.0
B
Good
95
Population
279/sq mi density
$459,000
Home Value
$727,982 Zillow
46°F
Avg Temperature
259 sunny days/yr
35
Violent Crime/100K
869 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
35 violent crimes/100K
A+
Education
5.0 / 5.0
88.4% bachelor's degree or higher
Littlejohn Island experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 22°F in January while summers reach 70°F in July. The area gets 259 sunny days per year. Annual precipitation totals 50.1 inches. The area receives 84.0 inches of snow annually. Air quality is rated Good with a median AQI of 34.
Temperature
22°F Jan (-6°C)
70°F Jul (21°C)
| Annual Average | 46.3°F |
| 14% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 57 ft (17 m) |
| Area | 0.7 sq mi (1.9 km²) |
| Population Density | 279/sq mi |
| Coordinates | 43.7607°N, 70.1266°W |
| Timezone | America/New_York |
| County | Cumberland County County |
| Nearest Airport | Portland International Jetport (PWM) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0376 ppm |
| NO₂ (Nitrogen Dioxide) | 10.4 ppb |
| PM2.5 (Fine Particles) | 7.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.0 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 98.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| 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 | — | 35 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 3.7 in | Coldest |
| February | 26°F (-4°C) | 3.3 in | |
| March | 33°F (1°C) | 4.1 in | |
| April | 43°F (6°C) | 4.1 in | |
| May | 53°F (12°C) | 3.8 in | |
| June | 61°F (16°C) | 3.4 in | |
| July | 70°F (21°C) | 3.1 in | Warmest, Driest |
| August | 67°F (19°C) | 3.2 in | |
| September | 59°F (15°C) | 3.3 in | |
| October | 49°F (9°C) | 4.0 in | |
| November | 40°F (4°C) | 4.7 in | Wettest |
| December | 29°F (-2°C) | 4.5 in |
Littlejohn Island has a seasonal temperature swing of 48°F / from 22°F in January to 70°F in July. Total annual precipitation is 45.2 inches, with November being the wettest month (4.7") and July the driest (3.1").