Thomaston, ME
Full City Profile · Maine · Knox County County
2.9
/5.0
C+
Fair
2,021
Population
953/sq mi density
$48,563
Median Income
$27,921 per capita
$258,700
Home Value
$339,113 Zillow
$861
Median Rent
35.9% income on rent
46°F
Avg Temperature
36
Violent Crime/100K
3,767 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$48,563 median income, 3.8% unemployment
B+
Affordability
3.7 / 5.0
$258,700 home value, $861/mo rent
F
Safety
1.0 / 5.0
36 violent crimes/100K
B
Education
3.2 / 5.0
27.2% bachelor's degree or higher
Thomaston experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 26°F in January while summers reach 65°F in July. Annual precipitation totals 47.6 inches. The area receives 53.1 inches of snow annually. Air quality is rated Good with a median AQI of 33.
Temperature
26°F Jan (-3°C)
65°F Jul (18°C)
| Annual Average | 46.4°F |
| 14% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 65°F (18°C) |
Geography
| Elevation | 128 ft (39 m) |
| Area | 2.1 sq mi (5.5 km²) |
| Population Density | 953/sq mi |
| Coordinates | 44.0819°N, 69.1795°W |
| Timezone | America/New_York |
| County | Knox County County |
| Nearest Airport | Knox County Regional (RKD) 4 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
| Good Days % | 96.6% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0370 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 28.6 / 100 |
| Social Vulnerability | 16.3 / 100 |
| Community Resilience | 99.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively 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 | - | 52 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 4.0 in | Coldest |
| February | 28°F (-2°C) | 3.5 in | |
| March | 34°F (1°C) | 4.5 in | |
| April | 43°F (6°C) | 4.3 in | |
| May | 52°F (11°C) | 3.5 in | |
| June | 59°F (15°C) | 3.8 in | |
| July | 65°F (18°C) | 3.1 in | |
| August | 65°F (19°C) | 2.9 in | Warmest, Driest |
| September | 60°F (15°C) | 4.0 in | |
| October | 51°F (10°C) | 4.7 in | |
| November | 41°F (5°C) | 4.5 in | |
| December | 33°F (0°C) | 4.8 in | Wettest |
Thomaston has a seasonal temperature swing of 39°F / from 26°F in January to 65°F in August. Total annual precipitation is 47.6 inches, with December being the wettest month (4.8") and August the driest (2.9").