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Westfield, MA
Full City Profile · Massachusetts · Hampden County County
3.4
/5.0
B
Good
40,673
Population
879/sq mi density
$82,847
Median Income
$40,482 per capita
$295,500
Home Value
$370,015 Zillow
$1,064
Median Rent
29.1% income on rent
49°F
Avg Temperature
246 sunny days/yr
200
Violent Crime/100K
959 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$82,847 median income, 2.4% unemployment
A+
Affordability
4.7 / 5.0
$295,500 home value, $1,064/mo rent
F
Safety
1.0 / 5.0
200 violent crimes/100K
B+
Education
3.6 / 5.0
32.6% bachelor's degree or higher
Westfield experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 25°F in January while summers reach 73°F in July. The area gets 246 sunny days per year. Annual precipitation totals 45.2 inches. Air quality is rated Good with a median AQI of 37.
Temperature
25°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 220 ft (67 m) |
| Area | 47.3 sq mi (122.6 km²) |
| Population Density | 879/sq mi |
| Coordinates | 42.1388°N, 72.7559°W |
| Timezone | America/New_York |
| County | Hampden County County |
| Nearest Airport | Westfield-Barnes Regional (BAF) 2 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0438 ppm |
| NO₂ (Nitrogen Dioxide) | 11.3 ppb |
| SO₂ (Sulfur Dioxide) | 0.22 ppb |
| PM2.5 (Fine Particles) | 7.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.8 / 100 |
| Social Vulnerability | 64.5 / 100 |
| Community Resilience | 73.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 3.5 in | Coldest |
| February | 26°F (-3°C) | 3.2 in | Driest |
| March | 35°F (2°C) | 3.7 in | |
| April | 46°F (8°C) | 3.9 in | |
| May | 58°F (14°C) | 4.2 in | Wettest |
| June | 66°F (19°C) | 3.9 in | |
| July | 73°F (23°C) | 3.6 in | Warmest |
| August | 70°F (21°C) | 3.9 in | |
| September | 62°F (17°C) | 3.8 in | |
| October | 51°F (10°C) | 3.7 in | |
| November | 41°F (5°C) | 4.1 in | |
| December | 30°F (-1°C) | 3.9 in |
Westfield has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 45.3 inches, with May being the wettest month (4.2") and February the driest (3.2").