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Williamsville, NY
Full City Profile · New York · Erie County County
4.0
/5.0
A
Great
5,430
Population
4,310/sq mi density
$106,250
Median Income
$58,285 per capita
$242,800
Home Value
$400,074 Zillow
$1,277
Median Rent
22.4% income on rent
49°F
Avg Temperature
246 sunny days/yr
1,228
Violent Crime/100K
4,817 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$106,250 median income, 1.2% unemployment
A+
Affordability
5.0 / 5.0
$242,800 home value, $1,277/mo rent
F
Safety
1.0 / 5.0
1,228 violent crimes/100K (223% above avg)
A+
Education
5.0 / 5.0
60.3% bachelor's degree or higher
Williamsville experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 26°F in January while summers reach 72°F in July. The area gets 246 sunny days per year. Annual precipitation totals 40.7 inches. The area receives 95.4 inches of snow annually. Air quality is rated Good with a median AQI of 36.
Temperature
26°F Jan (-4°C)
72°F Jul (22°C)
| Annual Average | 48.8°F |
| 10% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 676 ft (206 m) |
| Area | 1.3 sq mi (3.3 km²) |
| Population Density | 4,310/sq mi |
| Coordinates | 42.9583°N, 78.7395°W |
| Timezone | America/New_York |
| County | Erie County County |
| Nearest Airport | Buffalo Niagara International (BUF) 1 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0434 ppm |
| NO₂ (Nitrogen Dioxide) | 14.3 ppb |
| SO₂ (Sulfur Dioxide) | 0.17 ppb |
| CO (Carbon Monoxide) | 0.25 ppm |
| PM2.5 (Fine Particles) | 8.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.7 / 100 |
| Social Vulnerability | 47.7 / 100 |
| Community Resilience | 95.3 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Very High |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 2.8 in | |
| February | 25°F (-4°C) | 2.3 in | Coldest, Driest |
| March | 34°F (1°C) | 2.8 in | |
| April | 45°F (7°C) | 3.0 in | |
| May | 57°F (14°C) | 3.3 in | |
| June | 66°F (19°C) | 3.7 in | |
| July | 72°F (22°C) | 3.2 in | Warmest |
| August | 70°F (21°C) | 3.5 in | |
| September | 62°F (17°C) | 3.9 in | Wettest |
| October | 51°F (11°C) | 3.2 in | |
| November | 40°F (5°C) | 3.7 in | |
| December | 30°F (-1°C) | 3.5 in |
Williamsville has a seasonal temperature swing of 47°F / from 25°F in February to 72°F in July. Total annual precipitation is 38.8 inches, with September being the wettest month (3.9") and February the driest (2.3").