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Weather & Climate in Four Bridges, OH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Four Bridges experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 297 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 872 feet.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 872 ft (266 m) |
| Area | 2.2 sq mi (5.7 km²) |
| Population Density | 1,549/sq mi |
| Coordinates | 39.3802°N, 84.3598°W |
| Timezone | America/New_York |
| County | Warren County County |
| Nearest Airport | Butler County Regional/Hogan Field (HAO) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 89.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Sep 12, 2004 | 4 km NW of Manilla, Indiana | M3.8 | 114 km | 2 km |
| Feb 19, 1995 | 8 km SSE of Rocky Fork Point, Ohio | M3.6 | 82 km | 10 km |
| Sep 8, 1990 | 5 km N of Owingsville, Kentucky | M3.3 | 142 km | 0 km |
| Apr 17, 1990 | 8 km NW of Fort Recovery, Ohio | M3.0 | 127 km | 5 km |
| Apr 25, 2020 | 2 km SE of South Shore, Kentucky | M2.9 | 144 km | 27 km |
| Apr 4, 1994 | 2 km WNW of Minster, Ohio | M2.9 | 113 km | 5 km |
| Mar 17, 1999 | 2 km NNE of Ripley, Ohio | M2.8 | 83 km | 0 km |
| May 11, 2015 | 5 km ESE of Maysville, Kentucky | M2.6 | 103 km | 11 km |
| Jul 23, 2013 | 6 km NNE of Germantown, Kentucky | M2.6 | 83 km | 4 km |
| Feb 11, 2015 | 8 km SE of Richmond Dale, Ohio | M2.6 | 142 km | 20 km |
| Jan 28, 2024 | 3 km SW of Old Washington, Kentucky | M2.5 | 98 km | 15 km |
| Jan 30, 2004 | 2 km S of Rockford, Ohio | M2.5 | 146 km | 5 km |
| Jan 4, 1999 | 9 km WNW of Mount Sterling, Kentucky | M2.5 | 147 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
490 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 76 fatalities, 2,785 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1974 | EF5 | 38 km | 31.3 mi | 36 |
| Apr 3, 1974 | EF5 | 64 km | 20.8 mi | 3 |
| May 27, 2019 | EF4 | 50 km | 18.2 mi | 0 |
| Mar 2, 2012 | EF4 | 70 km | 9.9 mi | 4 |
| Sep 20, 2000 | EF4 | 44 km | 9.0 mi | 1 |
| Apr 9, 1999 | EF4 | 17 km | 10.0 mi | 4 |
| Jun 2, 1990 | EF4 | 51 km | 33.0 mi | 0 |
| Jul 9, 1980 | EF4 | 100 km | 11.0 mi | 2 |
| Apr 3, 1974 | EF4 | 25 km | 19.8 mi | 2 |
| Apr 23, 1968 | EF4 | 79 km | 78.7 mi | 6 |
| Apr 23, 1968 | EF4 | 32 km | 24.1 mi | 1 |
| May 27, 2019 | EF3 | 67 km | 10.5 mi | 0 |
| May 27, 2019 | EF3 | 48 km | 9.9 mi | 0 |
| May 14, 2014 | EF3 | 55 km | 8.9 mi | 0 |
| Mar 2, 2012 | EF3 | 61 km | 20.4 mi | 3 |
| Mar 2, 2012 | EF3 | 97 km | 8.7 mi | 3 |
| Jul 2, 1997 | EF3 | 61 km | 12.0 mi | 0 |
| Jun 30, 1993 | EF3 | 67 km | 15.0 mi | 0 |
| Nov 22, 1992 | EF3 | 56 km | 20.0 mi | 0 |
| Mar 10, 1986 | EF3 | 90 km | 7.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: UNIT 30 (938 acres, 2004).
| Year | Name | Acres Burned | Distance |
| 2004 | UNIT 30 | 938 | 100 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.6 in | Coldest |
| February | 32°F (-0°C) | 2.5 in | Driest |
| March | 42°F (6°C) | 3.7 in | |
| April | 52°F (11°C) | 3.9 in | |
| May | 62°F (17°C) | 4.5 in | Wettest |
| June | 71°F (22°C) | 3.5 in | |
| July | 75°F (24°C) | 4.1 in | Warmest |
| August | 74°F (23°C) | 3.5 in | |
| September | 67°F (19°C) | 3.1 in | |
| October | 55°F (13°C) | 3.0 in | |
| November | 44°F (6°C) | 3.5 in | |
| December | 33°F (1°C) | 3.1 in |
Four Bridges has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 40.9 inches, with May being the wettest month (4.5") and February the driest (2.5").