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Weather & Climate in Oil City, PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oil City experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 26°F in January while summers reach 71°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 46.3 inches (wetter than the 38-inch national average). The area receives 53.7 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 1,019 feet.
Temperature
26°F Jan (-3°C)
71°F Jul (22°C)
| Annual Average | 49.0°F |
| 9% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,019 ft (311 m) |
| Area | 1.9 sq mi (4.8 km²) |
| Population Density | 2,120/sq mi |
| Coordinates | 41.4288°N, 79.7078°W |
| Timezone | America/New_York |
| County | Venango County County |
| Nearest Airport | Venango Regional (FKL) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 55.6 / 100 |
| Social Vulnerability | 63.7 / 100 |
| Community Resilience | 85.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
33 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 | 57 km | 5 km |
| Jun 10, 2019 | 1 km NW of Timberlake, Ohio | M4.0 | 148 km | 2 km |
| Jan 26, 2001 | 8 km NNW of Edgewood, Ohio | M3.9 | 107 km | 5 km |
| Mar 12, 2007 | Ohio | M3.7 | 141 km | 5 km |
| Aug 28, 2023 | 7 km SE of Madison, Ohio | M3.6 | 110 km | 5 km |
| Oct 16, 1993 | 8 km SSE of Madison, Ohio | M3.6 | 113 km | 5 km |
| Jun 30, 2003 | 6 km NW of Perry, Ohio | M3.6 | 131 km | 5 km |
| Mar 15, 1992 | 15 km NW of North Perry, Ohio | M3.5 | 139 km | 5 km |
| Jun 20, 2006 | 9 km WNW of North Perry, Ohio | M3.5 | 135 km | 5 km |
| Jun 3, 2001 | 3 km N of Edgewood, Ohio | M3.4 | 103 km | 5 km |
| Jan 26, 1991 | 1 km NNE of Mayfield Heights, Ohio | M3.4 | 146 km | 5 km |
| Jun 30, 2004 | 2 km WNW of Madison, Ohio | M3.3 | 121 km | 5 km |
| Jul 1, 2013 | 5 km NNW of Fairport Harbor, Ohio | M3.2 | 138 km | 5 km |
| Jan 9, 2008 | 6 km WNW of Mentor-on-the-Lake, Ohio | M3.1 | 147 km | 5 km |
| Mar 11, 2006 | 8 km NNW of Mentor-on-the-Lake, Ohio | M3.1 | 145 km | 5 km |
| Apr 25, 2010 | 2 km WNW of Madison, Ohio | M3.0 | 121 km | 5 km |
| Mar 30, 2024 | 2 km SSW of Maple Ridge, Ohio | M3.0 | 127 km | 6 km |
| Feb 23, 1995 | 3 km W of Ashtabula, Ohio | M2.9 | 105 km | 5 km |
| Aug 7, 2000 | 2 km S of Limaville, Ohio | M2.9 | 132 km | 5 km |
| Jan 4, 2022 | 3 km NW of Timberlake, Ohio | M2.8 | 149 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
268 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 60 fatalities, 734 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 31, 1985 | EF4 | 68 km | 56.2 mi | 16 |
| May 31, 1985 | EF4 | 61 km | 29.0 mi | 4 |
| May 31, 1985 | EF4 | 59 km | 28.0 mi | 0 |
| May 31, 1985 | EF4 | 91 km | 69.0 mi | 0 |
| May 31, 1985 | EF4 | 15 km | 29.0 mi | 7 |
| May 31, 1985 | EF4 | 83 km | 14.0 mi | 12 |
| Jun 3, 1980 | EF4 | 87 km | 11.8 mi | 0 |
| May 31, 1985 | EF3 | 48 km | 23.0 mi | 2 |
| May 31, 1985 | EF3 | 33 km | 8.0 mi | 0 |
| May 31, 1985 | EF3 | 93 km | 39.0 mi | 9 |
| May 31, 1985 | EF3 | 78 km | 13.0 mi | 0 |
| May 31, 1985 | EF3 | 34 km | 17.0 mi | 0 |
| May 2, 1983 | EF3 | 81 km | 28.0 mi | 2 |
| May 2, 1972 | EF3 | 43 km | 7.9 mi | 0 |
| Jun 2, 1971 | EF3 | 60 km | 29.3 mi | 0 |
| Jun 20, 1969 | EF3 | 66 km | 84.1 mi | 0 |
| Sep 3, 1963 | EF3 | 82 km | 8.4 mi | 0 |
| Aug 5, 1956 | EF3 | 89 km | 0.1 mi | 2 |
| Mar 1, 1955 | EF3 | 82 km | 2.5 mi | 1 |
| Mar 31, 2022 | EF2 | 72 km | 8.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | — | 144 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (628 acres, 1990).
| Year | Name | Acres Burned | Distance |
| 1990 | UNNAMED | 628 | 23 km |
| 2021 | UNNAMED | 586 | 34 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 2.6 in | Coldest |
| February | 26°F (-3°C) | 2.4 in | Driest |
| March | 35°F (2°C) | 3.3 in | |
| April | 46°F (8°C) | 3.5 in | |
| May | 57°F (14°C) | 4.0 in | |
| June | 65°F (19°C) | 4.8 in | Wettest |
| July | 71°F (22°C) | 4.7 in | Warmest |
| August | 68°F (20°C) | 4.2 in | |
| September | 61°F (16°C) | 4.2 in | |
| October | 50°F (10°C) | 3.4 in | |
| November | 40°F (4°C) | 3.8 in | |
| December | 30°F (-1°C) | 3.3 in |
Oil City has a seasonal temperature swing of 45°F / from 26°F in January to 71°F in July. Total annual precipitation is 44.1 inches, with June being the wettest month (4.8") and February the driest (2.4").