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Weather & Climate in New Bethlehem, PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
New Bethlehem experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 24°F in January while summers reach 70°F in July. The area gets 275 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 46.9 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 1,231 feet.
Temperature
24°F Jan (-4°C)
70°F Jul (21°C)
| Annual Average | 47.7°F |
| 12% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,231 ft (375 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 1,934/sq mi |
| Coordinates | 41.0063°N, 79.3253°W |
| Timezone | America/New_York |
| County | Clarion County County |
| Nearest Airport | Dubois Regional (DUJ) 25 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 30.0 / 100 |
| Social Vulnerability | 56.8 / 100 |
| Community Resilience | 75.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| 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)
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Sep 25, 1998 | 2 km SW of Adamsville, Pennsylvania | M4.5 | 104 km | 5 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 146 km | 6 km |
| Sep 11, 2024 | 4 km WNW of Claysville, Pennsylvania | M2.5 | 136 km | 4 km |
| Dec 17, 1990 | 5 km SSE of Middleboro, Pennsylvania | M2.5 | 124 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
265 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 27 fatalities, 626 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 31, 1985 | EF4 | 65 km | 29.0 mi | 7 |
| May 31, 1985 | EF4 | 74 km | 29.0 mi | 4 |
| May 31, 1985 | EF4 | 58 km | 69.0 mi | 0 |
| Jun 3, 1980 | EF4 | 52 km | 11.8 mi | 0 |
| May 31, 1985 | EF3 | 76 km | 17.0 mi | 0 |
| May 31, 1985 | EF3 | 98 km | 39.0 mi | 9 |
| May 31, 1985 | EF3 | 89 km | 8.0 mi | 0 |
| Jul 11, 1976 | EF3 | 74 km | 11.8 mi | 1 |
| May 2, 1972 | EF3 | 91 km | 7.9 mi | 0 |
| Sep 3, 1963 | EF3 | 68 km | 8.4 mi | 0 |
| Aug 3, 1963 | EF3 | 90 km | 0.1 mi | 2 |
| Jun 26, 2024 | EF2 | 74 km | 10.8 mi | 0 |
| Mar 31, 2022 | EF2 | 20 km | 8.6 mi | 0 |
| Apr 14, 2019 | EF2 | 87 km | 18.0 mi | 0 |
| Oct 2, 2018 | EF2 | 96 km | 1.6 mi | 0 |
| Oct 2, 2018 | EF2 | 20 km | 4.1 mi | 0 |
| Mar 23, 2011 | EF2 | 88 km | 9.0 mi | 0 |
| May 25, 2004 | EF2 | 92 km | 7.0 mi | 0 |
| Nov 10, 2002 | EF2 | 100 km | 7.0 mi | 1 |
| Apr 28, 2002 | EF2 | 49 km | 5.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (628 acres, 1990).
| Year | Name | Acres Burned | Distance |
| 1990 | UNNAMED | 628 | 59 km |
| 2021 | UNNAMED | 586 | 68 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 2.8 in | Coldest |
| February | 27°F (-3°C) | 2.7 in | Driest |
| March | 36°F (2°C) | 3.6 in | |
| April | 47°F (8°C) | 3.6 in | |
| May | 57°F (14°C) | 4.1 in | |
| June | 65°F (18°C) | 4.7 in | Wettest |
| July | 70°F (21°C) | 4.5 in | Warmest |
| August | 68°F (20°C) | 4.1 in | |
| September | 61°F (16°C) | 3.9 in | |
| October | 50°F (10°C) | 3.2 in | |
| November | 40°F (4°C) | 3.7 in | |
| December | 29°F (-1°C) | 3.5 in |
New Bethlehem has a seasonal temperature swing of 45°F / from 24°F in January to 70°F in July. Total annual precipitation is 44.4 inches, with June being the wettest month (4.7") and February the driest (2.7").