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Weather & Climate in Middletown, OH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Middletown experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 29°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 42.3 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 761 feet.
Temperature
29°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 52.7°F |
| 2% below US avg | |
| January Average | 29°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 761 ft (232 m) |
| Area | 26.4 sq mi (68.4 km²) |
| Population Density | 1,933/sq mi |
| Coordinates | 39.5030°N, 84.3649°W |
| Timezone | America/New_York |
| County | Butler County County |
| Nearest Airport | Middletown Regional/Hook Field (MWO) 3 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 91.5 / 100 |
| Social Vulnerability | 22.4 / 100 |
| Community Resilience | 74.1 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
11 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 | 112 km | 2 km |
| Feb 19, 1995 | 8 km SSE of Rocky Fork Point, Ohio | M3.6 | 88 km | 10 km |
| Apr 17, 1990 | 8 km NW of Fort Recovery, Ohio | M3.0 | 114 km | 5 km |
| Apr 4, 1994 | 2 km WNW of Minster, Ohio | M2.9 | 100 km | 5 km |
| May 12, 2006 | 2 km E of Lima, Ohio | M2.8 | 140 km | 5 km |
| Mar 17, 1999 | 2 km NNE of Ripley, Ohio | M2.8 | 94 km | 0 km |
| May 11, 2015 | 5 km ESE of Maysville, Kentucky | M2.6 | 114 km | 11 km |
| Jul 23, 2013 | 6 km NNE of Germantown, Kentucky | M2.6 | 95 km | 4 km |
| Feb 11, 2015 | 8 km SE of Richmond Dale, Ohio | M2.6 | 145 km | 20 km |
| Jan 28, 2024 | 3 km SW of Old Washington, Kentucky | M2.5 | 111 km | 15 km |
| Jan 30, 2004 | 2 km S of Rockford, Ohio | M2.5 | 132 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
501 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 76 fatalities, 2,894 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1974 | EF5 | 31 km | 31.3 mi | 36 |
| Apr 3, 1974 | EF5 | 74 km | 20.8 mi | 3 |
| May 27, 2019 | EF4 | 37 km | 18.2 mi | 0 |
| Mar 2, 2012 | EF4 | 83 km | 9.9 mi | 4 |
| Sep 20, 2000 | EF4 | 37 km | 9.0 mi | 1 |
| Apr 9, 1999 | EF4 | 30 km | 10.0 mi | 4 |
| Jun 2, 1990 | EF4 | 57 km | 33.0 mi | 0 |
| Jul 9, 1980 | EF4 | 97 km | 11.0 mi | 2 |
| Apr 3, 1974 | EF4 | 98 km | 18.0 mi | 1 |
| Apr 3, 1974 | EF4 | 37 km | 19.8 mi | 2 |
| Apr 23, 1968 | EF4 | 46 km | 24.1 mi | 1 |
| Apr 23, 1968 | EF4 | 93 km | 78.7 mi | 6 |
| Apr 11, 1965 | EF4 | 94 km | 18.4 mi | 3 |
| Mar 14, 2024 | EF3 | 99 km | 41.3 mi | 1 |
| May 27, 2019 | EF3 | 37 km | 9.9 mi | 0 |
| May 27, 2019 | EF3 | 53 km | 10.5 mi | 0 |
| May 14, 2014 | EF3 | 49 km | 8.9 mi | 0 |
| Mar 2, 2012 | EF3 | 74 km | 20.4 mi | 3 |
| Jul 2, 1997 | EF3 | 74 km | 12.0 mi | 0 |
| Jun 30, 1993 | EF3 | 72 km | 15.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-1°C) | 2.4 in | Coldest, Driest |
| February | 31°F (-1°C) | 2.4 in | |
| March | 41°F (5°C) | 3.6 in | |
| April | 51°F (11°C) | 3.8 in | |
| May | 61°F (16°C) | 4.5 in | Wettest |
| June | 70°F (21°C) | 3.4 in | |
| July | 75°F (24°C) | 4.1 in | Warmest |
| August | 72°F (22°C) | 3.5 in | |
| September | 66°F (19°C) | 3.0 in | |
| October | 54°F (12°C) | 2.9 in | |
| November | 43°F (6°C) | 3.4 in | |
| December | 32°F (0°C) | 3.0 in |
Middletown has a seasonal temperature swing of 45°F / from 29°F in January to 75°F in July. Total annual precipitation is 39.8 inches, with May being the wettest month (4.5") and January the driest (2.4").