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Weather & Climate in Salem Heights CDP (Hamilton County), OH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Salem Heights CDP (Hamilton County) 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 43.4 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 774 feet.
Temperature
32°F Jan (0°C)
76°F Jul (24°C)
| Annual Average | 54.8°F |
| 1% above US avg | |
| January Average | 32°F (0°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 774 ft (236 m) |
| Area | 1.6 sq mi (4.2 km²) |
| Population Density | 2,233/sq mi |
| Coordinates | 39.0658°N, 84.3840°W |
| Timezone | America/New_York |
| County | Hamilton County County |
| Nearest Airport | Cincinnati/Northern Kentucky International (CVG) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.3 / 100 |
| Social Vulnerability | 43.9 / 100 |
| Community Resilience | 86.3 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
15 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 | 125 km | 2 km |
| Feb 19, 1995 | 8 km SSE of Rocky Fork Point, Ohio | M3.6 | 79 km | 10 km |
| Sep 8, 1990 | 5 km N of Owingsville, Kentucky | M3.3 | 111 km | 0 km |
| Apr 25, 2020 | 2 km SE of South Shore, Kentucky | M2.9 | 132 km | 27 km |
| Apr 4, 1994 | 2 km WNW of Minster, Ohio | M2.9 | 148 km | 5 km |
| Aug 20, 2015 | 6 km SE of Lawrenceburg, Kentucky | M2.8 | 125 km | 34 km |
| Mar 17, 1999 | 2 km NNE of Ripley, Ohio | M2.8 | 59 km | 0 km |
| May 11, 2025 | 11 km SE of High Bridge, Kentucky | M2.8 | 147 km | 30 km |
| Jan 12, 2023 | 4 km E of Burgin, Kentucky | M2.6 | 149 km | 35 km |
| May 11, 2015 | 5 km ESE of Maysville, Kentucky | M2.6 | 78 km | 11 km |
| Jul 23, 2013 | 6 km NNE of Germantown, Kentucky | M2.6 | 55 km | 4 km |
| Feb 11, 2015 | 8 km SE of Richmond Dale, Ohio | M2.6 | 142 km | 20 km |
| Jan 21, 2018 | 8 km SSE of High Bridge, Kentucky | M2.6 | 147 km | 11 km |
| Jan 28, 2024 | 3 km SW of Old Washington, Kentucky | M2.5 | 71 km | 15 km |
| Jan 4, 1999 | 9 km WNW of Mount Sterling, Kentucky | M2.5 | 114 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
461 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 76 fatalities, 2,956 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1974 | EF5 | 44 km | 20.8 mi | 3 |
| Apr 3, 1974 | EF5 | 69 km | 31.3 mi | 36 |
| May 27, 2019 | EF4 | 85 km | 18.2 mi | 0 |
| Mar 2, 2012 | EF4 | 37 km | 9.9 mi | 4 |
| Sep 20, 2000 | EF4 | 74 km | 9.0 mi | 1 |
| Apr 9, 1999 | EF4 | 18 km | 10.0 mi | 4 |
| Nov 22, 1992 | EF4 | 79 km | 26.7 mi | 1 |
| Jun 2, 1990 | EF4 | 49 km | 33.0 mi | 0 |
| Apr 3, 1974 | EF4 | 15 km | 19.8 mi | 2 |
| Apr 3, 1974 | EF4 | 83 km | 27.1 mi | 0 |
| Apr 23, 1968 | EF4 | 11 km | 24.1 mi | 1 |
| Apr 23, 1968 | EF4 | 44 km | 78.7 mi | 6 |
| May 27, 2019 | EF3 | 82 km | 9.9 mi | 0 |
| May 14, 2014 | EF3 | 83 km | 8.9 mi | 0 |
| Mar 2, 2012 | EF3 | 26 km | 20.4 mi | 3 |
| Mar 2, 2012 | EF3 | 88 km | 8.7 mi | 3 |
| May 10, 2003 | EF3 | 76 km | 25.0 mi | 0 |
| Apr 9, 1999 | EF3 | 92 km | 15.0 mi | 0 |
| Apr 9, 1999 | EF3 | 99 km | 3.0 mi | 0 |
| Jul 2, 1997 | EF3 | 30 km | 12.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: JPG 09 1 (6,113 acres, 1998).
| Year | Name | Acres Burned | Distance |
| 1998 | JPG 09 1 | 6,113 | 92 km |
| 2005 | RX BURNPLAN AREA 2-06 | 5,054 | 91 km |
| 2007 | UNITS 8-9 2008 | 4,316 | 93 km |
| 2006 | UNIT 19 06 WUI | 3,412 | 93 km |
| 2003 | WUI 3 03 | 3,372 | 92 km |
| 2010 | WUI UNIT 28K | 3,230 | 90 km |
| 1999 | UNNAMED | 3,122 | 92 km |
| 2002 | UNIT 8 | 2,753 | 94 km |
| 2005 | UNIT 3 05 | 2,511 | 92 km |
| 2001 | 01 UNIT 16 | 2,361 | 90 km |
| 2011 | WUI UNITS 0 AND 1 2011 | 2,215 | 94 km |
| 2004 | UNIT 19 | 2,004 | 94 km |
| 2003 | UNIT 8 03 | 1,971 | 93 km |
| 2008 | FY 09 UNIT 42 RX FALL 2008 | 1,942 | 93 km |
| 2000 | JPG 14 | 1,908 | 92 km |
| 2003 | UNIT 16 03 | 1,809 | 90 km |
| 2002 | UNIT 9 | 1,485 | 92 km |
| 1995 | UNNAMED | 1,462 | 93 km |
| 2010 | TRACER | 1,408 | 91 km |
| 2007 | UNNAMED | 1,334 | 90 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 2.8 in | Coldest |
| February | 34°F (1°C) | 2.7 in | Driest |
| March | 43°F (6°C) | 4.1 in | |
| April | 53°F (12°C) | 4.0 in | |
| May | 63°F (17°C) | 4.6 in | Wettest |
| June | 72°F (22°C) | 3.8 in | |
| July | 76°F (24°C) | 4.1 in | Warmest |
| August | 74°F (24°C) | 3.8 in | |
| September | 68°F (20°C) | 3.2 in | |
| October | 56°F (13°C) | 3.0 in | |
| November | 45°F (7°C) | 3.5 in | |
| December | 35°F (2°C) | 3.2 in |
Salem Heights CDP (Hamilton County) has a seasonal temperature swing of 44°F / from 32°F in January to 76°F in July. Total annual precipitation is 42.7 inches, with May being the wettest month (4.6") and February the driest (2.7").