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Weather & Climate in Coal Grove, OH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Coal Grove experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 31°F in January while summers reach 75°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 46.7 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 733 feet.
Temperature
31°F Jan (-0°C)
75°F Jul (24°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 733 ft (223 m) |
| Area | 2.1 sq mi (5.3 km²) |
| Population Density | 1,123/sq mi |
| Coordinates | 38.4922°N, 82.6359°W |
| Timezone | America/New_York |
| County | Boyd County County |
| Nearest Airport | Greater Portsmouth Regional (PMH) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 74.9 / 100 |
| Social Vulnerability | 58.8 / 100 |
| Community Resilience | 58.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
26 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 | 101 km | 10 km |
| Nov 20, 2013 | 2 km SW of Buchtel, Ohio | M3.5 | 112 km | 8 km |
| Apr 24, 2009 | 7 km ENE of Rio Grande, Ohio | M3.4 | 54 km | 8 km |
| May 24, 2017 | 1 km S of McArthur, Ohio | M3.4 | 83 km | 10 km |
| Apr 4, 2010 | 14 km SW of Gassaway, West Virginia | M3.4 | 150 km | 0 km |
| Sep 8, 1990 | 5 km N of Owingsville, Kentucky | M3.3 | 104 km | 0 km |
| Feb 3, 2025 | 2 km NNW of Oak Hill, Ohio | M3.1 | 48 km | 26 km |
| Jun 28, 1991 | 4 km ENE of Pratt, West Virginia | M3.0 | 117 km | 7 km |
| Apr 25, 2020 | 2 km SE of South Shore, Kentucky | M2.9 | 35 km | 27 km |
| May 6, 2002 | 3 km SE of Racine, Ohio | M2.8 | 82 km | 5 km |
| Mar 17, 1999 | 2 km NNE of Ripley, Ohio | M2.8 | 108 km | 0 km |
| Feb 3, 2025 | 0 km NE of Reno, Ohio | M2.8 | 146 km | 10 km |
| Jun 21, 2017 | 1 km SW of Pratt, West Virginia | M2.7 | 113 km | 17 km |
| May 11, 2015 | 5 km ESE of Maysville, Kentucky | M2.6 | 92 km | 11 km |
| Jun 6, 2014 | 13 km NNE of Sissonville, West Virginia | M2.6 | 93 km | 30 km |
| Oct 2, 1998 | 10 km NE of Sylvester, West Virginia | M2.6 | 113 km | 0 km |
| Mar 16, 2012 | 7 km SE of Alum Creek, West Virginia | M2.6 | 83 km | 5 km |
| Mar 8, 2016 | 0 km N of Thurman, Ohio | M2.6 | 49 km | 20 km |
| Feb 11, 2015 | 8 km SE of Richmond Dale, Ohio | M2.6 | 74 km | 20 km |
| Jul 23, 2013 | 6 km NNE of Germantown, Kentucky | M2.6 | 116 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
158 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 9 fatalities, 162 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 23, 1968 | EF5 | 27 km | 34.0 mi | 7 |
| May 10, 2003 | EF3 | 95 km | 25.0 mi | 0 |
| Apr 3, 1974 | EF3 | 91 km | 15.5 mi | 1 |
| Apr 23, 1968 | EF3 | 37 km | 0.1 mi | 0 |
| May 7, 1967 | EF3 | 93 km | 2.0 mi | 0 |
| Apr 8, 1965 | EF3 | 52 km | 2.0 mi | 0 |
| Apr 8, 1965 | EF3 | 14 km | 6.9 mi | 0 |
| Apr 2, 2024 | EF2 | 72 km | 8.0 mi | 0 |
| Apr 2, 2024 | EF2 | 26 km | 1.1 mi | 0 |
| Apr 2, 2024 | EF2 | 67 km | 1.9 mi | 0 |
| Jun 8, 2022 | EF2 | 99 km | 9.1 mi | 0 |
| Jul 4, 2016 | EF2 | 43 km | 2.6 mi | 0 |
| Mar 2, 2012 | EF2 | 84 km | 11.1 mi | 1 |
| Feb 29, 2012 | EF2 | 94 km | 6.3 mi | 0 |
| May 8, 2002 | EF2 | 49 km | 3.0 mi | 0 |
| Jun 15, 2000 | EF2 | 35 km | 2.5 mi | 0 |
| May 18, 1995 | EF2 | 85 km | 2.0 mi | 0 |
| Jun 16, 1982 | EF2 | 61 km | 9.0 mi | 0 |
| Jul 12, 1980 | EF2 | 42 km | 29.6 mi | 0 |
| Sep 29, 1972 | EF2 | 75 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: BRUSHY (61,231 acres, 1987).
| Year | Name | Acres Burned | Distance |
| 1987 | BRUSHY | 61,231 | 78 km |
| 1987 | UNNAMED | 38,312 | 80 km |
| 1991 | JENNINGS CREEK | 29,308 | 73 km |
| 1987 | UNNAMED | 27,317 | 89 km |
| 1991 | WHITE OAK BRANCH | 25,550 | 89 km |
| 1987 | UNNAMED | 21,562 | 67 km |
| 1987 | UNNAMED | 20,994 | 83 km |
| 1987 | RUCKERS BRANCH | 14,744 | 90 km |
| 1987 | UNNAMED | 14,554 | 69 km |
| 1991 | UNNAMED | 14,264 | 91 km |
| 1987 | UNNAMED | 13,124 | 100 km |
| 1991 | ROCK HOUSE BRANCH | 13,056 | 85 km |
| 1991 | LEFT FORK | 10,196 | 97 km |
| 1991 | UNNAMED | 10,183 | 71 km |
| 1995 | UNNAMED | 10,148 | 81 km |
| 1991 | CANE ROCK | 9,017 | 83 km |
| 1987 | PINE CREEK | 8,864 | 99 km |
| 2001 | UNNAMED | 8,287 | 95 km |
| 1987 | UNNAMED | 7,281 | 89 km |
| 1987 | MILL CREEK ROAD | 7,029 | 55 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 3.0 in | Coldest |
| February | 35°F (2°C) | 3.0 in | |
| March | 44°F (7°C) | 3.7 in | |
| April | 54°F (12°C) | 3.5 in | |
| May | 63°F (17°C) | 4.3 in | |
| June | 71°F (22°C) | 3.9 in | |
| July | 75°F (24°C) | 4.8 in | Warmest, Wettest |
| August | 74°F (23°C) | 3.9 in | |
| September | 68°F (20°C) | 3.0 in | |
| October | 56°F (13°C) | 2.9 in | Driest |
| November | 45°F (7°C) | 3.4 in | |
| December | 36°F (2°C) | 3.5 in |
Coal Grove has a seasonal temperature swing of 44°F / from 31°F in January to 75°F in July. Total annual precipitation is 42.9 inches, with July being the wettest month (4.8") and October the driest (2.9").