Leominster, MA
Full City Profile · Massachusetts · Worcester County County
3.2
/5.0
B
Good
43,697
Population
1,516/sq mi density
$81,556
Median Income
$45,014 per capita
$345,000
Home Value
$471,837 Zillow
$1,282
Median Rent
30.2% income on rent
49°F
Avg Temperature
486
Violent Crime/100K
1,326 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$81,556 median income, 5.7% unemployment
A
Affordability
4.3 / 5.0
$345,000 home value, $1,282/mo rent
F
Safety
1.0 / 5.0
486 violent crimes/100K (28% above avg)
B+
Education
3.6 / 5.0
32.3% bachelor's degree or higher
Leominster experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 25°F in January while summers reach 72°F in July. Annual precipitation totals 43.4 inches. The area receives 75.2 inches of snow annually. Air quality is rated Good with a median AQI of 37.
Temperature
25°F Jan (-4°C)
72°F Jul (22°C)
| Annual Average | 48.9°F |
| 9% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 479 ft (146 m) |
| Area | 29.7 sq mi (76.9 km²) |
| Population Density | 1,516/sq mi |
| Coordinates | 42.5209°N, 71.7706°W |
| Timezone | America/New_York |
| County | Worcester County County |
| Nearest Airport | Worcester Regional (ORH) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
| Good Days % | 87.7% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0392 ppm |
| NO₂ (Nitrogen Dioxide) | 14.1 ppb |
| SO₂ (Sulfur Dioxide) | 0.41 ppb |
| CO (Carbon Monoxide) | 0.29 ppm |
| PM2.5 (Fine Particles) | 7.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.5 / 100 |
| Social Vulnerability | 22.0 / 100 |
| Community Resilience | 85.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.7 in | Coldest, Driest |
| February | 27°F (-3°C) | 2.8 in | |
| March | 35°F (2°C) | 3.8 in | |
| April | 47°F (8°C) | 3.8 in | |
| May | 58°F (14°C) | 3.6 in | |
| June | 67°F (19°C) | 4.1 in | |
| July | 72°F (22°C) | 3.5 in | Warmest |
| August | 71°F (22°C) | 3.4 in | |
| September | 63°F (17°C) | 4.0 in | |
| October | 51°F (10°C) | 4.5 in | Wettest |
| November | 40°F (5°C) | 3.6 in | |
| December | 31°F (-1°C) | 3.7 in |
Leominster has a seasonal temperature swing of 48°F / from 25°F in January to 72°F in July. Total annual precipitation is 43.4 inches, with October being the wettest month (4.5") and January the driest (2.7").