Peterborough, NH
Full City Profile · New Hampshire · Hillsborough County County
3.7
/5.0
B+
Good
2,343
Population
491/sq mi density
$81,836
Median Income
$67,981 per capita
$323,700
Home Value
$477,232 Zillow
$1,310
Median Rent
26.4% income on rent
46°F
Avg Temperature
46
Violent Crime/100K
444 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$81,836 median income, 2.7% unemployment
A
Affordability
4.5 / 5.0
$323,700 home value, $1,310/mo rent
F
Safety
1.0 / 5.0
46 violent crimes/100K
A+
Education
5.0 / 5.0
53.9% bachelor's degree or higher
Peterborough experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 22°F in January while summers reach 70°F in July. Annual precipitation totals 46.4 inches. The area receives 75.4 inches of snow annually. Air quality is rated Good with a median AQI of 37.
Temperature
22°F Jan (-5°C)
70°F Jul (21°C)
| Annual Average | 46.4°F |
| 14% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 795 ft (242 m) |
| Area | 4.8 sq mi (12.4 km²) |
| Population Density | 491/sq mi |
| Coordinates | 42.8772°N, 71.9611°W |
| Timezone | America/New_York |
| County | Hillsborough County County |
| Nearest Airport | Manchester Boston Regional (MHT) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
| Good Days % | 89.6% |
| Unhealthy Days | 0 |
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 | 22°F (-5°C) | 3.0 in | Coldest |
| February | 24°F (-4°C) | 3.0 in | Driest |
| March | 32°F (0°C) | 3.9 in | |
| April | 44°F (7°C) | 3.8 in | |
| May | 56°F (13°C) | 3.6 in | |
| June | 65°F (18°C) | 4.5 in | |
| July | 70°F (21°C) | 4.0 in | Warmest |
| August | 68°F (20°C) | 3.9 in | |
| September | 60°F (16°C) | 4.3 in | |
| October | 49°F (9°C) | 4.8 in | Wettest |
| November | 38°F (3°C) | 3.5 in | |
| December | 28°F (-2°C) | 4.1 in |
Peterborough has a seasonal temperature swing of 48°F / from 22°F in January to 70°F in July. Total annual precipitation is 46.4 inches, with October being the wettest month (4.8") and February the driest (3.0").