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Martinsburg Junction, PA
Full City Profile · Pennsylvania · Blair County County
2.8
/5.0
C+
Fair
22
Population
220/sq mi density
51°F
Avg Temperature
275 sunny days/yr
52
Violent Crime/100K
1,095 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
52 violent crimes/100K
A+
Education
4.6 / 5.0
45.5% bachelor's degree or higher
Martinsburg Junction experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 28°F in January while summers reach 72°F in July. The area gets 275 sunny days per year. Annual precipitation totals 36.7 inches. Air quality is rated Good with a median AQI of 40.
Temperature
28°F Jan (-2°C)
72°F Jul (22°C)
| Annual Average | 51.0°F |
| 6% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,346 ft (410 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 220/sq mi |
| Coordinates | 40.3102°N, 78.3365°W |
| Timezone | America/New_York |
| County | Blair County County |
| Nearest Airport | State College Regional (SCE) 50 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0428 ppm |
| SO₂ (Sulfur Dioxide) | 0.47 ppb |
| PM2.5 (Fine Particles) | 8.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.7 / 100 |
| Social Vulnerability | 57.6 / 100 |
| Community Resilience | 94.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very 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) | 2.4 in | Coldest, Driest |
| February | 29°F (-2°C) | 2.4 in | |
| March | 37°F (3°C) | 3.3 in | |
| April | 48°F (9°C) | 3.3 in | |
| May | 58°F (15°C) | 3.8 in | |
| June | 66°F (19°C) | 3.8 in | |
| July | 72°F (22°C) | 3.9 in | Warmest, Wettest |
| August | 69°F (21°C) | 3.2 in | |
| September | 63°F (17°C) | 3.4 in | |
| October | 51°F (11°C) | 2.8 in | |
| November | 41°F (5°C) | 3.2 in | |
| December | 32°F (-0°C) | 2.7 in |
Martinsburg Junction has a seasonal temperature swing of 44°F / from 28°F in January to 72°F in July. Total annual precipitation is 38.2 inches, with July being the wettest month (3.9") and January the driest (2.4").