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Exeter, NH
Full City Profile · New Hampshire · Essex County County
3.8
/5.0
B+
Good
10,138
Population
2,253/sq mi density
$83,862
Median Income
$59,262 per capita
$349,300
Home Value
$594,403 Zillow
$1,569
Median Rent
31.7% income on rent
50°F
Avg Temperature
246 sunny days/yr
182
Violent Crime/100K
642 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$83,862 median income, 2.1% unemployment
A
Affordability
4.3 / 5.0
$349,300 home value, $1,569/mo rent
F
Safety
1.0 / 5.0
182 violent crimes/100K
A+
Education
5.0 / 5.0
52.1% bachelor's degree or higher
Exeter experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 28°F in January while summers reach 72°F in July. The area gets 246 sunny days per year. Annual precipitation totals 44.9 inches. Air quality is rated Good with a median AQI of 37.
Temperature
28°F Jan (-2°C)
72°F Jul (22°C)
| Annual Average | 49.9°F |
| 8% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 31 ft (9 m) |
| Area | 4.6 sq mi (11.8 km²) |
| Population Density | 2,253/sq mi |
| Coordinates | 42.9770°N, 70.9455°W |
| Timezone | America/New_York |
| County | Essex County County |
| Nearest Airport | Portsmouth International At Pease (PSM) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0421 ppm |
| NO₂ (Nitrogen Dioxide) | 8.1 ppb |
| PM2.5 (Fine Particles) | 7.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.6 / 100 |
| Social Vulnerability | 34.2 / 100 |
| Community Resilience | 95.6 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Coastal Flood | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.6 m (12 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2008 | MAINE | Avalanche | 3.6 m | — | 136 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 3.6 in | |
| February | 27°F (-3°C) | 3.1 in | Coldest, Driest |
| March | 35°F (2°C) | 3.6 in | |
| April | 45°F (7°C) | 3.9 in | |
| May | 56°F (13°C) | 3.5 in | |
| June | 65°F (18°C) | 3.4 in | |
| July | 72°F (22°C) | 3.2 in | Warmest |
| August | 69°F (21°C) | 3.3 in | |
| September | 61°F (16°C) | 3.5 in | |
| October | 50°F (10°C) | 3.9 in | |
| November | 41°F (5°C) | 4.3 in | Wettest |
| December | 30°F (-1°C) | 3.7 in |
Exeter has a seasonal temperature swing of 45°F / from 27°F in February to 72°F in July. Total annual precipitation is 42.9 inches, with November being the wettest month (4.3") and February the driest (3.1").