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Weather & Climate in Cynthiana, KY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cynthiana 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 47.7 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 712 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 | 712 ft (217 m) |
| Area | 4.1 sq mi (10.5 km²) |
| Population Density | 1,409/sq mi |
| Coordinates | 38.3830°N, 84.3018°W |
| Timezone | America/New_York |
| County | Harrison County County |
| Nearest Airport | Cincinnati/Northern Kentucky International (CVG) 50 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 33.8 / 100 |
| Social Vulnerability | 56.7 / 100 |
| Community Resilience | 59.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Feb 19, 1995 | 8 km SSE of Rocky Fork Point, Ohio | M3.6 | 109 km | 10 km |
| Sep 8, 1990 | 5 km N of Owingsville, Kentucky | M3.3 | 51 km | 0 km |
| Apr 25, 2020 | 2 km SE of South Shore, Kentucky | M2.9 | 124 km | 27 km |
| Aug 20, 2015 | 6 km SE of Lawrenceburg, Kentucky | M2.8 | 64 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 | 74 km | 30 km |
| Mar 21, 1990 | 1 km W of Spring Mill, Kentucky | M2.7 | 121 km | 4 km |
| Jan 12, 2023 | 4 km E of Burgin, Kentucky | M2.6 | 79 km | 35 km |
| Aug 4, 2023 | 11 km ENE of Lancaster, Kentucky | M2.6 | 81 km | 17 km |
| May 11, 2015 | 5 km ESE of Maysville, Kentucky | M2.6 | 60 km | 11 km |
| Jul 23, 2013 | 6 km NNE of Germantown, Kentucky | M2.6 | 48 km | 4 km |
| Jan 21, 2018 | 8 km SSE of High Bridge, Kentucky | M2.6 | 76 km | 11 km |
| Jan 28, 2024 | 3 km SW of Old Washington, Kentucky | M2.5 | 47 km | 15 km |
| Jan 4, 1999 | 9 km WNW of Mount Sterling, Kentucky | M2.5 | 41 km | 10 km |
| Sep 27, 2009 | 22 km NNW of Hindman, Kentucky | M2.5 | 144 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
372 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 57 fatalities, 1,790 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1974 | EF5 | 82 km | 20.8 mi | 3 |
| Mar 2, 2012 | EF4 | 54 km | 9.9 mi | 4 |
| Apr 9, 1999 | EF4 | 94 km | 10.0 mi | 4 |
| Nov 22, 1992 | EF4 | 71 km | 26.7 mi | 1 |
| Apr 3, 1974 | EF4 | 90 km | 19.8 mi | 2 |
| Apr 3, 1974 | EF4 | 95 km | 27.1 mi | 0 |
| Apr 3, 1974 | EF4 | 76 km | 31.9 mi | 7 |
| Apr 3, 1974 | EF4 | 77 km | 79.4 mi | 4 |
| Apr 23, 1968 | EF4 | 33 km | 78.7 mi | 6 |
| Apr 23, 1968 | EF4 | 80 km | 24.1 mi | 1 |
| Mar 2, 2012 | EF3 | 51 km | 20.4 mi | 3 |
| Mar 2, 2012 | EF3 | 80 km | 85.0 mi | 10 |
| Feb 28, 2011 | EF3 | 75 km | 2.3 mi | 0 |
| May 8, 2009 | EF3 | 83 km | 21.1 mi | 2 |
| May 27, 2004 | EF3 | 39 km | 3.0 mi | 0 |
| May 10, 2003 | EF3 | 57 km | 25.0 mi | 0 |
| Jul 2, 1997 | EF3 | 53 km | 12.0 mi | 0 |
| Apr 3, 1974 | EF3 | 13 km | 19.3 mi | 0 |
| Apr 3, 1974 | EF3 | 78 km | 15.5 mi | 1 |
| Apr 3, 1974 | EF3 | 58 km | 4.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
11 wildfires (100+ acres) recorded within 100 km. Largest: SPENCER RIDGE (2,556 acres, 1987).
| Year | Name | Acres Burned | Distance |
| 1987 | SPENCER RIDGE | 2,556 | 98 km |
| 1999 | UNNAMED | 1,778 | 87 km |
| 2010 | FISH TRAP COMPLEX | 1,430 | 82 km |
| 1999 | AUXIER RIDGE | 1,160 | 83 km |
| 1999 | SOUTH FORK | 999 | 84 km |
| 1987 | UNNAMED | 940 | 91 km |
| 2022 | PITTS ROAD | 773 | 82 km |
| 2001 | WILLOW II | 683 | 97 km |
| 1999 | UNNAMED | 626 | 98 km |
| 2010 | LITTLE DOE CREEK | 612 | 86 km |
| 2022 | SMYTH CEMETERY ROAD | 530 | 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, Driest |
| February | 34°F (1°C) | 3.0 in | |
| March | 44°F (6°C) | 4.5 in | |
| April | 53°F (12°C) | 4.1 in | |
| May | 62°F (17°C) | 4.6 in | Wettest |
| June | 71°F (22°C) | 3.9 in | |
| July | 76°F (24°C) | 4.5 in | Warmest |
| August | 74°F (23°C) | 3.8 in | |
| September | 67°F (20°C) | 3.3 in | |
| October | 56°F (13°C) | 2.8 in | |
| November | 45°F (7°C) | 3.5 in | |
| December | 35°F (2°C) | 3.7 in |
Cynthiana has a seasonal temperature swing of 44°F / from 32°F in January to 76°F in July. Total annual precipitation is 44.4 inches, with May being the wettest month (4.6") and January the driest (2.8").