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Thomaston, ME
Full City Profile · Maine · Knox County County
3.3
/5.0
B
Good
2,021
Population
953/sq mi density
$48,563
Median Income
$27,921 per capita
$258,700
Home Value
$325,063 Zillow
$861
Median Rent
35.9% income on rent
46°F
Avg Temperature
234 sunny days/yr
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$48,563 median income, 2.0% unemployment
B+
Affordability
3.7 / 5.0
$258,700 home value, $861/mo rent
C+
Safety
2.5 / 5.0
0 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 21°F in January while summers reach 68°F in July. The area gets 234 sunny days per year. Annual precipitation totals 56.2 inches. The area receives 68.7 inches of snow annually. Air quality is rated Good with a median AQI of 34.
Temperature
21°F Jan (-6°C)
68°F Jul (20°C)
| Annual Average | 45.5°F |
| 16% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 234 days/yr |
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 | 34.0 |
| Rating | Good |
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 | 21°F (-6°C) | 3.7 in | Coldest |
| February | 24°F (-5°C) | 3.4 in | |
| March | 33°F (0°C) | 4.0 in | |
| April | 43°F (6°C) | 4.3 in | |
| May | 53°F (12°C) | 4.1 in | |
| June | 62°F (17°C) | 3.5 in | |
| July | 68°F (20°C) | 3.1 in | Warmest, Driest |
| August | 66°F (19°C) | 3.2 in | |
| September | 59°F (15°C) | 3.5 in | |
| October | 48°F (9°C) | 4.3 in | |
| November | 39°F (4°C) | 5.1 in | Wettest |
| December | 27°F (-3°C) | 4.7 in |
Thomaston has a seasonal temperature swing of 47°F / from 21°F in January to 68°F in July. Total annual precipitation is 46.8 inches, with November being the wettest month (5.1") and July the driest (3.1").