Casco, ME
Full City Profile · Maine · Androscoggin County County
4.4
/5.0
A
Great
573
Population
175/sq mi density
$196,500
Home Value
$446,624 Zillow
44°F
Avg Temperature
A
Overall
4.4 / 5.0
Strong
A
Education
4.4 / 5.0
41.9% bachelor's degree or higher
Casco has a cool climate with an average annual temperature of 44°F (7°C). Winters average 19°F in January while summers reach 68°F in July. Annual precipitation totals 49.2 inches. The area receives 80.1 inches of snow annually. Air quality is rated Good with a median AQI of 31.
Temperature
19°F Jan (-7°C)
68°F Jul (20°C)
| Annual Average | 44.1°F |
| 18% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 68°F (20°C) |
Geography
| Elevation | 490 ft (149 m) |
| Area | 3.5 sq mi (9.2 km²) |
| Population Density | 175/sq mi |
| Coordinates | 44.0017°N, 70.5328°W |
| Timezone | America/New_York |
| County | Androscoggin County County |
| Nearest Airport | Eastern Slopes Regional (FRY) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 31.0 |
| Rating | Good |
| Good Days % | 92.6% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0374 ppm |
| PM2.5 (Fine Particles) | 5.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 59.1 / 100 |
| Social Vulnerability | 28.3 / 100 |
| Community Resilience | 85.3 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | No Rating |
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 | - | 70 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 3.1 in | Coldest |
| February | 21°F (-6°C) | 3.0 in | Driest |
| March | 29°F (-1°C) | 3.7 in | |
| April | 42°F (5°C) | 4.4 in | |
| May | 53°F (12°C) | 3.7 in | |
| June | 63°F (17°C) | 4.9 in | |
| July | 68°F (20°C) | 4.0 in | Warmest |
| August | 67°F (19°C) | 3.9 in | |
| September | 59°F (15°C) | 4.0 in | |
| October | 47°F (8°C) | 5.9 in | Wettest |
| November | 36°F (2°C) | 4.4 in | |
| December | 26°F (-3°C) | 4.2 in |
Casco has a seasonal temperature swing of 49°F / from 19°F in January to 68°F in July. Total annual precipitation is 49.2 inches, with October being the wettest month (5.9") and February the driest (3.0").