Hereford, PA
Full City Profile · Pennsylvania · Lehigh County County
3.7
/5.0
B+
Good
1,494
Population
1,509/sq mi density
$69,205
Median Income
$21,186 per capita
$1,667
Median Rent
17.8% income on rent
52°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$69,205 median income, 1.6% unemployment
B+
Affordability
3.8 / 5.0
B
Education
3.0 / 5.0
25.6% bachelor's degree or higher
Hereford experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 74°F in July. Annual precipitation totals 49.1 inches. The area receives 26.3 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
30°F Jan (-1°C)
74°F Jul (23°C)
| Annual Average | 51.9°F |
| 4% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 537 ft (164 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 1,509/sq mi |
| Coordinates | 40.4509°N, 75.5504°W |
| Timezone | America/New_York |
| County | Lehigh County County |
| Nearest Airport | Lehigh Valley International (ABE) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 75.6% |
| Unhealthy Days | 2 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0415 ppm |
| PM2.5 (Fine Particles) | 9.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.9 / 100 |
| Social Vulnerability | 58.5 / 100 |
| Community Resilience | 73.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Very High |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 61 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 78 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.4 in | Coldest |
| February | 32°F (-0°C) | 2.9 in | Driest |
| March | 40°F (4°C) | 4.0 in | |
| April | 51°F (10°C) | 3.9 in | |
| May | 60°F (16°C) | 3.8 in | |
| June | 69°F (21°C) | 4.4 in | |
| July | 74°F (23°C) | 5.4 in | Warmest, Wettest |
| August | 72°F (22°C) | 4.8 in | |
| September | 65°F (18°C) | 4.6 in | |
| October | 53°F (12°C) | 4.6 in | |
| November | 43°F (6°C) | 3.3 in | |
| December | 34°F (1°C) | 4.1 in |
Hereford has a seasonal temperature swing of 44°F / from 30°F in January to 74°F in July. Total annual precipitation is 49.1 inches, with July being the wettest month (5.4") and February the driest (2.9").