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Nashua, NH
Full City Profile · New Hampshire · Hillsborough County County
3.6
/5.0
B+
Good
91,131
Population
2,956/sq mi density
$92,457
Median Income
$50,026 per capita
$373,100
Home Value
$493,620 Zillow
$1,652
Median Rent
29.2% income on rent
51°F
Avg Temperature
256 sunny days/yr
144
Violent Crime/100K
1,285 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$92,457 median income, 3.4% unemployment
A
Affordability
4.4 / 5.0
$373,100 home value, $1,652/mo rent
F
Safety
1.0 / 5.0
144 violent crimes/100K
A
Education
4.2 / 5.0
40.5% bachelor's degree or higher
Nashua experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 33°F in January while summers reach 73°F in July. The area gets 256 sunny days per year. Annual precipitation totals 60.3 inches. The area receives 56.6 inches of snow annually. Air quality is rated Good with a median AQI of 37.
Temperature
33°F Jan (1°C)
73°F Jul (23°C)
| Annual Average | 50.7°F |
| 6% below US avg | |
| January Average | 33°F (1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 256 days/yr |
Geography
| Elevation | 197 ft (60 m) |
| Area | 31.7 sq mi (82.2 km²) |
| Population Density | 2,956/sq mi |
| Coordinates | 42.7491°N, 71.4905°W |
| Timezone | America/New_York |
| County | Hillsborough County County |
| Nearest Airport | Manchester Boston Regional (MHT) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0421 ppm |
| SO₂ (Sulfur Dioxide) | 0.25 ppb |
| CO (Carbon Monoxide) | 0.14 ppm |
| PM2.5 (Fine Particles) | 4.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 64.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Very 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 | 33°F (1°C) | 3.5 in | |
| February | 25°F (-4°C) | 3.2 in | Coldest, Driest |
| March | 34°F (1°C) | 3.6 in | |
| April | 45°F (7°C) | 3.7 in | |
| May | 56°F (13°C) | 3.6 in | |
| June | 65°F (18°C) | 3.5 in | |
| July | 73°F (23°C) | 3.5 in | Warmest |
| August | 70°F (21°C) | 3.5 in | |
| September | 62°F (16°C) | 3.4 in | |
| October | 50°F (10°C) | 3.8 in | |
| November | 41°F (5°C) | 4.4 in | Wettest |
| December | 29°F (-1°C) | 3.9 in |
Nashua has a seasonal temperature swing of 48°F / from 25°F in February to 73°F in July. Total annual precipitation is 43.7 inches, with November being the wettest month (4.4") and February the driest (3.2").