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Franklin, NH
Full City Profile · New Hampshire · Merrimack County County
3.1
/5.0
B
Good
8,757
Population
319/sq mi density
$69,870
Median Income
$35,657 per capita
$243,800
Home Value
$366,032 Zillow
$1,088
Median Rent
26.5% income on rent
45°F
Avg Temperature
246 sunny days/yr
182
Violent Crime/100K
1,776 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$69,870 median income, 2.9% unemployment
A+
Affordability
4.7 / 5.0
$243,800 home value, $1,088/mo rent
F
Safety
1.0 / 5.0
182 violent crimes/100K
C+
Education
2.5 / 5.0
19.2% bachelor's degree or higher
Franklin has a cool climate with an average annual temperature of 45°F (7°C). Winters average 19°F in January while summers reach 70°F in July. The area gets 246 sunny days per year. Annual precipitation totals 45.5 inches. Air quality is rated Good with a median AQI of 37.
Temperature
19°F Jan (-7°C)
70°F Jul (21°C)
| Annual Average | 45.2°F |
| 16% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 445 ft (136 m) |
| Area | 29.1 sq mi (75.4 km²) |
| Population Density | 319/sq mi |
| Coordinates | 43.4539°N, 71.6699°W |
| Timezone | America/New_York |
| County | Merrimack County County |
| Nearest Airport | Manchester Boston Regional (MHT) 38 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0420 ppm |
| SO₂ (Sulfur Dioxide) | 0.53 ppb |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 78.2 / 100 |
| Social Vulnerability | 15.0 / 100 |
| Community Resilience | 80.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 2.9 in | Coldest, Driest |
| February | 22°F (-6°C) | 2.9 in | |
| March | 31°F (-0°C) | 3.1 in | |
| April | 43°F (6°C) | 3.4 in | |
| May | 55°F (13°C) | 3.8 in | |
| June | 63°F (17°C) | 3.5 in | |
| July | 70°F (21°C) | 3.6 in | Warmest |
| August | 66°F (19°C) | 3.8 in | |
| September | 58°F (14°C) | 3.2 in | |
| October | 47°F (8°C) | 3.6 in | |
| November | 37°F (3°C) | 4.1 in | Wettest |
| December | 25°F (-4°C) | 3.7 in |
Franklin has a seasonal temperature swing of 51°F / from 19°F in January to 70°F in July. Total annual precipitation is 41.6 inches, with November being the wettest month (4.1") and January the driest (2.9").