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Weather & Climate in Gallipolis, OH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gallipolis experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 32°F in January while summers reach 76°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 44.5 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 570 feet.
Temperature
32°F Jan (0°C)
76°F Jul (24°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 32°F (0°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 570 ft (174 m) |
| Area | 3.8 sq mi (9.9 km²) |
| Population Density | 931/sq mi |
| Coordinates | 38.8201°N, 82.1910°W |
| Timezone | America/New_York |
| County | Gallia County County |
| Nearest Airport | Greater Portsmouth Regional (PMH) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 48.3 / 100 |
| Social Vulnerability | 75.9 / 100 |
| Community Resilience | 36.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
43 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Feb 19, 1995 | 8 km SSE of Rocky Fork Point, Ohio | M3.6 | 116 km | 10 km |
| Nov 20, 2013 | 2 km SW of Buchtel, Ohio | M3.5 | 70 km | 8 km |
| Jun 3, 2017 | 1 km WNW of Batesville, Ohio | M3.4 | 144 km | 2 km |
| Apr 4, 2010 | 14 km SW of Gassaway, West Virginia | M3.4 | 113 km | 0 km |
| May 24, 2017 | 1 km S of McArthur, Ohio | M3.4 | 52 km | 10 km |
| Apr 24, 2009 | 7 km ENE of Rio Grande, Ohio | M3.4 | 13 km | 8 km |
| Mar 31, 2013 | West Virginia | M3.4 | 119 km | 8 km |
| Apr 24, 2025 | 3 km S of Pleasant City, Ohio | M3.1 | 130 km | 6 km |
| Apr 22, 2025 | 3 km ESE of Buffalo, Ohio | M3.1 | 134 km | 5 km |
| Aug 31, 2011 | 3 km SE of Lowell, Ohio | M3.1 | 99 km | 5 km |
| Feb 3, 2025 | 2 km NNW of Oak Hill, Ohio | M3.1 | 36 km | 26 km |
| Apr 2, 2017 | 5 km W of Graysville, Ohio | M3.0 | 124 km | 4 km |
| Jun 28, 1991 | 4 km ENE of Pratt, West Virginia | M3.0 | 99 km | 7 km |
| Apr 25, 2020 | 2 km SE of South Shore, Kentucky | M2.9 | 66 km | 27 km |
| May 9, 2025 | 3 km S of Pleasant City, Ohio | M2.9 | 129 km | 5 km |
| Apr 29, 2025 | 1 km SE of Pleasant City, Ohio | M2.8 | 132 km | 2 km |
| Feb 3, 2025 | 0 km NE of Reno, Ohio | M2.8 | 93 km | 10 km |
| May 6, 2002 | 3 km SE of Racine, Ohio | M2.8 | 30 km | 5 km |
| Aug 31, 2011 | 2 km NNW of Belmont, West Virginia | M2.8 | 102 km | 5 km |
| Mar 17, 1999 | 2 km NNE of Ripley, Ohio | M2.8 | 142 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
157 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 8 fatalities, 164 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 23, 1968 | EF5 | 55 km | 34.0 mi | 7 |
| Sep 16, 2010 | EF3 | 51 km | 9.1 mi | 1 |
| Apr 23, 1968 | EF3 | 67 km | 0.1 mi | 0 |
| Apr 8, 1965 | EF3 | 64 km | 6.9 mi | 0 |
| Apr 8, 1965 | EF3 | 69 km | 2.0 mi | 0 |
| Apr 2, 2024 | EF2 | 54 km | 8.0 mi | 0 |
| Apr 2, 2024 | EF2 | 55 km | 1.9 mi | 0 |
| Apr 2, 2024 | EF2 | 78 km | 1.1 mi | 0 |
| Jun 8, 2022 | EF2 | 78 km | 9.1 mi | 0 |
| May 27, 2019 | EF2 | 90 km | 5.3 mi | 0 |
| Jul 4, 2016 | EF2 | 89 km | 2.6 mi | 0 |
| Sep 16, 2010 | EF2 | 65 km | 3.3 mi | 0 |
| Jul 10, 2003 | EF2 | 67 km | 2.5 mi | 0 |
| May 8, 2002 | EF2 | 15 km | 3.0 mi | 0 |
| Jun 15, 2000 | EF2 | 20 km | 2.5 mi | 0 |
| Jan 8, 1998 | EF2 | 80 km | 2.0 mi | 0 |
| Jul 12, 1980 | EF2 | 76 km | 29.6 mi | 0 |
| Jul 24, 1971 | EF2 | 94 km | 1.0 mi | 0 |
| Apr 23, 1968 | EF2 | 59 km | 4.9 mi | 0 |
| Mar 13, 1967 | EF2 | 29 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: WHITE OAK BRANCH (25,550 acres, 1991).
| Year | Name | Acres Burned | Distance |
| 1991 | WHITE OAK BRANCH | 25,550 | 87 km |
| 1987 | RUCKERS BRANCH | 14,744 | 92 km |
| 1987 | UNNAMED | 14,554 | 100 km |
| 1991 | LEFT FORK | 10,196 | 87 km |
| 1991 | DRY BRANCH | 8,059 | 95 km |
| 1987 | MILL CREEK ROAD | 7,029 | 92 km |
| 1987 | JOES BRANCH | 6,340 | 95 km |
| 1987 | PLUM BRANCH | 6,223 | 79 km |
| 1987 | HUNTERS BRANCH | 5,592 | 95 km |
| 1991 | PRICHARD | 5,220 | 73 km |
| 1987 | BULL CREEK | 5,080 | 78 km |
| 1991 | BALL FORK | 4,961 | 93 km |
| 1987 | SUMMER FORK | 4,393 | 100 km |
| 1999 | HUNTERS BRANCH | 4,299 | 94 km |
| 1999 | THOMPSON BRANCH | 4,145 | 88 km |
| 1987 | LENS CREEK | 3,609 | 84 km |
| 1991 | MILK BRANCH | 3,436 | 91 km |
| 1999 | UNNAMED | 3,373 | 95 km |
| 1991 | BLUE CREEK | 3,268 | 99 km |
| 1991 | EIGHTMILE FORK | 3,263 | 85 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 2.8 in | Coldest, Driest |
| February | 34°F (1°C) | 2.8 in | |
| March | 43°F (6°C) | 3.7 in | |
| April | 53°F (12°C) | 3.6 in | |
| May | 62°F (17°C) | 4.1 in | |
| June | 70°F (21°C) | 3.5 in | |
| July | 76°F (24°C) | 4.7 in | Warmest, Wettest |
| August | 73°F (23°C) | 4.0 in | |
| September | 67°F (19°C) | 3.2 in | |
| October | 55°F (13°C) | 2.9 in | |
| November | 45°F (7°C) | 3.3 in | |
| December | 36°F (2°C) | 3.3 in |
Gallipolis has a seasonal temperature swing of 44°F / from 32°F in January to 76°F in July. Total annual precipitation is 41.8 inches, with July being the wettest month (4.7") and January the driest (2.8").