Carthage, NY
Full City Profile · New York · Lewis County County
3.6
/5.0
B+
Good
3,546
Population
1,459/sq mi density
$58,356
Median Income
$27,859 per capita
$126,300
Home Value
$208,432 Zillow
$959
Median Rent
24.7% income on rent
46°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$58,356 median income, 5.3% unemployment
A+
Affordability
5.0 / 5.0
$126,300 home value, $959/mo rent
C+
Education
2.5 / 5.0
19.0% bachelor's degree or higher
Carthage experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 20°F in January while summers reach 71°F in July. Annual precipitation totals 45.1 inches. The area receives 227.7 inches of snow annually.
Temperature
20°F Jan (-7°C)
71°F Jul (22°C)
| Annual Average | 46.4°F |
| 14% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 71°F (22°C) |
Geography
| Elevation | 801 ft (244 m) |
| Area | 2.4 sq mi (6.3 km²) |
| Population Density | 1,459/sq mi |
| Coordinates | 43.9829°N, 75.6030°W |
| Timezone | America/New_York |
| County | Lewis County County |
| Nearest Airport | Watertown International (ART) 21 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 24.7 / 100 |
| Social Vulnerability | 28.7 / 100 |
| Community Resilience | 83.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 3.7 in | Coldest |
| February | 21°F (-6°C) | 2.8 in | Driest |
| March | 31°F (-1°C) | 2.9 in | |
| April | 44°F (7°C) | 3.7 in | |
| May | 57°F (14°C) | 3.8 in | |
| June | 66°F (19°C) | 3.8 in | |
| July | 71°F (22°C) | 3.4 in | Warmest |
| August | 70°F (21°C) | 3.8 in | |
| September | 62°F (17°C) | 3.9 in | |
| October | 50°F (10°C) | 5.1 in | Wettest |
| November | 38°F (4°C) | 4.1 in | |
| December | 27°F (-3°C) | 4.1 in |
Carthage has a seasonal temperature swing of 51°F / from 20°F in January to 71°F in July. Total annual precipitation is 45.1 inches, with October being the wettest month (5.1") and February the driest (2.8").