Calais, ME
Full City Profile · Maine · Washington County County
2.9
/5.0
C+
Fair
3,087
Population
90/sq mi density
$48,654
Median Income
$31,240 per capita
$111,800
Home Value
$161,398 Zillow
$815
Median Rent
29.7% income on rent
44°F
Avg Temperature
64
Violent Crime/100K
1,401 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.5 / 5.0
$48,654 median income, 7.4% unemployment
A+
Affordability
5.0 / 5.0
$111,800 home value, $815/mo rent
F
Safety
1.0 / 5.0
64 violent crimes/100K
B
Education
3.1 / 5.0
26.1% bachelor's degree or higher
Calais has a cool climate with an average annual temperature of 44°F (7°C). Winters average 20°F in January while summers reach 67°F in July. Annual precipitation totals 54.7 inches. The area receives 95.0 inches of snow annually. Air quality is rated Good with a median AQI of 34.
Temperature
20°F Jan (-7°C)
67°F Jul (19°C)
| Annual Average | 44.2°F |
| 18% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 67°F (19°C) |
Geography
| Elevation | 209 ft (64 m) |
| Area | 40.1 sq mi (103.9 km²) |
| Population Density | 90/sq mi |
| Coordinates | 45.1430°N, 67.2175°W |
| Timezone | America/New_York |
| County | Washington County County |
| Nearest Airport | Houlton International (HUL) 73 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
| Good Days % | 96.2% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0354 ppm |
| PM2.5 (Fine Particles) | 4.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 47.6 / 100 |
| Social Vulnerability | 86.4 / 100 |
| Community Resilience | 80.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 4.9 in | Coldest |
| February | 22°F (-6°C) | 4.2 in | |
| March | 31°F (-1°C) | 4.8 in | |
| April | 41°F (5°C) | 4.4 in | |
| May | 52°F (11°C) | 4.4 in | |
| June | 60°F (16°C) | 4.1 in | |
| July | 67°F (19°C) | 3.2 in | Warmest, Driest |
| August | 66°F (19°C) | 3.5 in | |
| September | 59°F (15°C) | 4.2 in | |
| October | 48°F (9°C) | 5.4 in | |
| November | 38°F (3°C) | 5.5 in | |
| December | 27°F (-3°C) | 6.3 in | Wettest |
Calais has a seasonal temperature swing of 47°F / from 20°F in January to 67°F in July. Total annual precipitation is 54.7 inches, with December being the wettest month (6.3") and July the driest (3.2").