Wilmington, NY
Full City Profile · New York · Essex County County
4.3
/5.0
A
Great
979
Population
119/sq mi density
$91,750
Median Income
$46,864 per capita
$260,300
Home Value
$195,073 Zillow
$1,160
Median Rent
23.3% income on rent
41°F
Avg Temperature
A
Overall
4.3 / 5.0
Strong
A+
Economy
4.8 / 5.0
$91,750 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$260,300 home value, $1,160/mo rent
B
Education
3.1 / 5.0
26.0% bachelor's degree or higher
Wilmington has a cool climate with an average annual temperature of 41°F (5°C). Winters average 15°F in January while summers reach 64°F in July. Annual precipitation totals 43.8 inches. The area receives 104.1 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
15°F Jan (-10°C)
64°F Jul (18°C)
| Annual Average | 40.6°F |
| 25% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 64°F (18°C) |
Geography
| Elevation | 1,016 ft (310 m) |
| Area | 8.3 sq mi (21.6 km²) |
| Population Density | 119/sq mi |
| Coordinates | 44.3869°N, 73.8172°W |
| Timezone | America/New_York |
| County | Essex County County |
| Nearest Airport | Adirondack Regional (SLK) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
| Good Days % | 84.7% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0436 ppm |
| SO₂ (Sulfur Dioxide) | 0.14 ppb |
| PM2.5 (Fine Particles) | 4.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.7 / 100 |
| Social Vulnerability | 55.6 / 100 |
| Community Resilience | 85.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively High |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-10°C) | 3.1 in | Coldest |
| February | 18°F (-8°C) | 2.3 in | Driest |
| March | 26°F (-3°C) | 2.9 in | |
| April | 39°F (4°C) | 3.4 in | |
| May | 51°F (11°C) | 3.9 in | |
| June | 60°F (15°C) | 4.8 in | Wettest |
| July | 64°F (18°C) | 4.4 in | Warmest |
| August | 63°F (17°C) | 4.0 in | |
| September | 56°F (13°C) | 3.9 in | |
| October | 44°F (7°C) | 4.2 in | |
| November | 32°F (0°C) | 3.4 in | |
| December | 21°F (-6°C) | 3.5 in |
Wilmington has a seasonal temperature swing of 49°F / from 15°F in January to 64°F in July. Total annual precipitation is 43.8 inches, with June being the wettest month (4.8") and February the driest (2.3").