Sunbury, PA
Full City Profile · Pennsylvania · Northumberland County County
2.7
/5.0
C+
Fair
9,643
Population
4,798/sq mi density
$48,509
Median Income
$27,511 per capita
$98,000
Home Value
$175,982 Zillow
$731
Median Rent
24.8% income on rent
51°F
Avg Temperature
53
Violent Crime/100K
253 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$48,509 median income, 5.9% unemployment
A+
Affordability
5.0 / 5.0
$98,000 home value, $731/mo rent
F
Safety
1.0 / 5.0
53 violent crimes/100K
D
Education
1.9 / 5.0
11.4% bachelor's degree or higher
Sunbury experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 28°F in January while summers reach 73°F in July. Annual precipitation totals 40.9 inches. The area receives 28.6 inches of snow annually.
Temperature
28°F Jan (-2°C)
73°F Jul (23°C)
| Annual Average | 51.1°F |
| 5% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 439 ft (134 m) |
| Area | 2.2 sq mi (5.6 km²) |
| Population Density | 4,798/sq mi |
| Coordinates | 40.8615°N, 76.7867°W |
| Timezone | America/New_York |
| County | Northumberland County County |
| Nearest Airport | Williamsport Regional (IPT) 27 miles away |
Precipitation & Snow
Air Quality
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 (-2°C) | 2.7 in | Coldest |
| February | 30°F (-1°C) | 2.1 in | Driest |
| March | 39°F (4°C) | 3.1 in | |
| April | 50°F (10°C) | 3.6 in | |
| May | 61°F (16°C) | 3.6 in | |
| June | 70°F (21°C) | 3.9 in | |
| July | 73°F (23°C) | 4.2 in | Warmest |
| August | 71°F (22°C) | 3.7 in | |
| September | 64°F (18°C) | 4.5 in | Wettest |
| October | 53°F (11°C) | 3.8 in | |
| November | 42°F (5°C) | 3.1 in | |
| December | 33°F (0°C) | 2.8 in |
Sunbury has a seasonal temperature swing of 45°F / from 28°F in January to 73°F in July. Total annual precipitation is 40.9 inches, with September being the wettest month (4.5") and February the driest (2.1").