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Herndon, PA
Full City Profile · Pennsylvania · Northumberland County County
3.1
/5.0
B
Good
303
Population
384/sq mi density
$73,750
Median Income
$35,449 per capita
$106,500
Home Value
$224,405 Zillow
$686
Median Rent
22.5% income on rent
51°F
Avg Temperature
275 sunny days/yr
775
Violent Crime/100K
2,254 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$73,750 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$106,500 home value, $686/mo rent
F
Safety
1.0 / 5.0
775 violent crimes/100K (104% above avg)
C+
Education
2.6 / 5.0
20.6% bachelor's degree or higher
Herndon experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 28°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 43.1 inches. The area receives 29.0 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
28°F Jan (-3°C)
74°F Jul (23°C)
| Annual Average | 50.8°F |
| 6% below US avg | |
| January Average | 28°F (-3°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 413 ft (126 m) |
| Area | 0.7 sq mi (1.9 km²) |
| Population Density | 384/sq mi |
| Coordinates | 40.7123°N, 76.8526°W |
| Timezone | America/New_York |
| County | Northumberland County County |
| Nearest Airport | Harrisburg International (MDT) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 79.2 / 100 |
| Social Vulnerability | 52.8 / 100 |
| Community Resilience | 89.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| 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 | 28°F (-3°C) | 2.8 in | Coldest |
| February | 29°F (-2°C) | 2.6 in | Driest |
| March | 38°F (3°C) | 3.2 in | |
| April | 49°F (9°C) | 3.5 in | |
| May | 59°F (15°C) | 4.1 in | |
| June | 68°F (20°C) | 4.4 in | Wettest |
| July | 74°F (23°C) | 3.9 in | Warmest |
| August | 71°F (22°C) | 3.6 in | |
| September | 64°F (18°C) | 3.9 in | |
| October | 52°F (11°C) | 3.3 in | |
| November | 42°F (6°C) | 3.6 in | |
| December | 32°F (0°C) | 3.1 in |
Herndon has a seasonal temperature swing of 46°F / from 28°F in January to 74°F in July. Total annual precipitation is 42.0 inches, with June being the wettest month (4.4") and February the driest (2.6").