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Weather & Climate in Fairmont, WV
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fairmont experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 32°F in January while summers reach 74°F in July. The area gets 293 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 47.8 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 1,002 feet.
Temperature
32°F Jan (-0°C)
74°F Jul (23°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 32°F (-0°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 1,002 ft (305 m) |
| Area | 9.0 sq mi (23.2 km²) |
| Population Density | 2,128/sq mi |
| Coordinates | 39.4769°N, 80.1491°W |
| Timezone | America/New_York |
| County | Marion County County |
| Nearest Airport | Arnold Palmer Regional (LBE) 68 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 71.5 / 100 |
| Social Vulnerability | 41.9 / 100 |
| Community Resilience | 76.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
25 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.4.
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 109 km | 2 km |
| Mar 31, 2013 | West Virginia | M3.4 | 110 km | 8 km |
| Apr 4, 2010 | 14 km SW of Gassaway, West Virginia | M3.4 | 118 km | 0 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 128 km | 6 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 123 km | 5 km |
| Aug 31, 2011 | 3 km SE of Lowell, Ohio | M3.1 | 113 km | 5 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 96 km | 4 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 127 km | 5 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 127 km | 2 km |
| Feb 3, 2025 | 0 km NE of Reno, Ohio | M2.8 | 107 km | 10 km |
| Aug 31, 2011 | 2 km NNW of Belmont, West Virginia | M2.8 | 97 km | 5 km |
| Jan 10, 2012 | 14 km WNW of Birch River, West Virginia | M2.8 | 120 km | 0 km |
| Jul 30, 2013 | 12 km SSW of Glenville, West Virginia | M2.8 | 97 km | 13 km |
| Apr 29, 2010 | 7 km W of Gassaway, West Virginia | M2.7 | 109 km | 0 km |
| Jul 20, 2013 | 6 km SW of Glenville, West Virginia | M2.7 | 91 km | 21 km |
| Apr 29, 2010 | 3 km WNW of Gassaway, West Virginia | M2.6 | 105 km | 0 km |
| May 7, 2010 | 14 km WSW of Gassaway, West Virginia | M2.6 | 118 km | 0 km |
| Aug 16, 2013 | 13 km SW of Glenville, West Virginia | M2.6 | 98 km | 6 km |
| Sep 4, 2011 | 3 km N of Saint Marys, West Virginia | M2.6 | 91 km | 5 km |
| Aug 21, 2010 | 19 km WNW of Helvetia, West Virginia | M2.5 | 79 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
133 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 5 fatalities, 185 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 31, 1998 | EF3 | 97 km | 13.0 mi | 1 |
| Oct 1, 1986 | EF3 | 58 km | 1.0 mi | 0 |
| Jun 3, 1980 | EF3 | 22 km | 29.8 mi | 0 |
| May 19, 1967 | EF3 | 71 km | 0.3 mi | 1 |
| Aug 3, 1963 | EF3 | 97 km | 0.1 mi | 2 |
| May 11, 2024 | EF2 | 89 km | 5.8 mi | 0 |
| Feb 28, 2024 | EF2 | 93 km | 4.1 mi | 0 |
| Aug 25, 2023 | EF2 | 79 km | 2.0 mi | 0 |
| Aug 1, 2022 | EF2 | 70 km | 1.8 mi | 0 |
| Oct 21, 2021 | EF2 | 89 km | 15.7 mi | 0 |
| Oct 2, 2018 | EF2 | 98 km | 1.6 mi | 0 |
| Mar 23, 2011 | EF2 | 96 km | 9.0 mi | 0 |
| Jun 2, 1998 | EF2 | 95 km | 15.0 mi | 0 |
| Jun 2, 1998 | EF2 | 52 km | 12.0 mi | 0 |
| Jun 2, 1998 | EF2 | 89 km | 15.0 mi | 0 |
| Jun 30, 1990 | EF2 | 72 km | 0.2 mi | 0 |
| Oct 1, 1986 | EF2 | 60 km | 4.5 mi | 0 |
| May 22, 1983 | EF2 | 92 km | 38.0 mi | 0 |
| Jul 28, 1981 | EF2 | 99 km | 6.2 mi | 0 |
| Jun 21, 1981 | EF2 | 18 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: NEW CREEK MTN (1,689 acres, 2001).
| Year | Name | Acres Burned | Distance |
| 2001 | NEW CREEK MTN | 1,689 | 94 km |
| 2013 | SMOKE HOLE FIRE | 1,436 | 100 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (-0°C) | 3.1 in | Coldest |
| February | 32°F (0°C) | 2.9 in | Driest |
| March | 41°F (5°C) | 4.1 in | |
| April | 51°F (10°C) | 3.7 in | |
| May | 60°F (16°C) | 4.3 in | |
| June | 68°F (20°C) | 4.3 in | |
| July | 74°F (23°C) | 4.6 in | Warmest, Wettest |
| August | 71°F (21°C) | 4.3 in | |
| September | 64°F (18°C) | 3.4 in | |
| October | 53°F (12°C) | 3.0 in | |
| November | 43°F (6°C) | 3.5 in | |
| December | 34°F (1°C) | 3.4 in |
Fairmont has a seasonal temperature swing of 42°F / from 32°F in January to 74°F in July. Total annual precipitation is 44.5 inches, with July being the wettest month (4.6") and February the driest (2.9").