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Sunbury, PA
Full City Profile · Pennsylvania · Northumberland County County
2.8
/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
50°F
Avg Temperature
275 sunny days/yr
171
Violent Crime/100K
1,251 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$48,509 median income, 3.6% unemployment
A+
Affordability
5.0 / 5.0
$98,000 home value, $731/mo rent
F
Safety
1.0 / 5.0
171 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 50°F (10°C). Winters average 27°F in January while summers reach 72°F in July. The area gets 275 sunny days per year. Annual precipitation totals 43.7 inches. The area receives 28.6 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 50.3°F |
| 7% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
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
| 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 | 27°F (-3°C) | 2.7 in | Coldest |
| February | 29°F (-2°C) | 2.5 in | Driest |
| March | 38°F (3°C) | 3.0 in | |
| April | 49°F (9°C) | 3.5 in | |
| May | 59°F (15°C) | 4.0 in | |
| June | 68°F (20°C) | 4.5 in | Wettest |
| July | 72°F (22°C) | 3.9 in | Warmest |
| August | 71°F (21°C) | 3.7 in | |
| September | 63°F (17°C) | 3.9 in | |
| October | 52°F (11°C) | 3.2 in | |
| November | 42°F (5°C) | 3.6 in | |
| December | 32°F (-0°C) | 3.0 in |
Sunbury has a seasonal temperature swing of 45°F / from 27°F in January to 72°F in July. Total annual precipitation is 41.4 inches, with June being the wettest month (4.5") and February the driest (2.5").