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Weather & Climate in Loretto, KY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Loretto enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 77°F in July. The area gets 299 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 51.6 inches (wetter than the 38-inch national average). The area receives 11.9 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 733 feet.
Temperature
35°F Jan (2°C)
77°F Jul (25°C)
| Annual Average | 56.8°F |
| 5% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 733 ft (223 m) |
| Area | 3.2 sq mi (8.3 km²) |
| Population Density | 228/sq mi |
| Coordinates | 37.6420°N, 85.3931°W |
| Timezone | America/New_York |
| County | Marion County County |
| Nearest Airport | Louisville Muhammad Ali International (SDF) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 30.2 / 100 |
| Social Vulnerability | 51.6 / 100 |
| Community Resilience | 61.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively 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: M3.9.
| Jan 24, 1990 | 6 km WNW of Alton, Indiana | M3.9 | 111 km | 10 km |
| Jan 27, 1990 | 6 km N of Alton, Indiana | M3.8 | 109 km | 5 km |
| Sep 17, 2004 | 8 km ESE of Corbin, Kentucky | M3.7 | 146 km | 1 km |
| Jan 27, 2009 | 4 km NE of Williamsburg, Kentucky | M3.2 | 148 km | 26 km |
| Aug 20, 2015 | 6 km SE of Lawrenceburg, Kentucky | M2.8 | 63 km | 34 km |
| May 11, 2025 | 11 km SE of High Bridge, Kentucky | M2.8 | 70 km | 30 km |
| Mar 9, 1990 | 8 km ENE of New Amsterdam, Indiana | M2.7 | 89 km | 5 km |
| Mar 21, 1990 | 1 km W of Spring Mill, Kentucky | M2.7 | 60 km | 4 km |
| Jan 12, 2023 | 4 km E of Burgin, Kentucky | M2.6 | 61 km | 35 km |
| Aug 4, 2023 | 11 km ENE of Lancaster, Kentucky | M2.6 | 81 km | 17 km |
| Mar 22, 1990 | 9 km E of Rochester, Kentucky | M2.6 | 133 km | 5 km |
| Jan 29, 1990 | 11 km S of Paoli, Indiana | M2.6 | 130 km | 0 km |
| Jan 21, 2018 | 8 km SSE of High Bridge, Kentucky | M2.6 | 66 km | 11 km |
| Mar 8, 1990 | 4 km SW of Oak Grove, Kentucky | M2.5 | 128 km | 5 km |
| Jan 4, 1999 | 9 km WNW of Mount Sterling, Kentucky | M2.5 | 128 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
449 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 37 fatalities, 1,230 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 28, 1996 | EF4 | 65 km | 30.0 mi | 0 |
| Apr 3, 1974 | EF4 | 45 km | 37.9 mi | 3 |
| Apr 3, 1974 | EF4 | 54 km | 79.4 mi | 4 |
| Apr 3, 1974 | EF4 | 70 km | 18.5 mi | 3 |
| Apr 3, 1974 | EF4 | 79 km | 31.9 mi | 7 |
| Apr 3, 1974 | EF4 | 47 km | 20.2 mi | 0 |
| Apr 27, 1971 | EF4 | 55 km | 14.1 mi | 6 |
| Apr 27, 1971 | EF4 | 69 km | 13.0 mi | 2 |
| Dec 11, 2021 | EF3 | 26 km | 14.5 mi | 1 |
| Feb 28, 2011 | EF3 | 81 km | 2.3 mi | 0 |
| May 8, 2009 | EF3 | 81 km | 21.1 mi | 2 |
| Oct 18, 2007 | EF3 | 93 km | 4.8 mi | 0 |
| May 27, 2004 | EF3 | 90 km | 3.0 mi | 0 |
| May 23, 2000 | EF3 | 81 km | 6.0 mi | 0 |
| Apr 16, 1998 | EF3 | 58 km | 20.0 mi | 0 |
| Mar 28, 1997 | EF3 | 90 km | 15.0 mi | 0 |
| Mar 28, 1997 | EF3 | 42 km | 2.0 mi | 0 |
| Mar 28, 1997 | EF3 | 56 km | 9.0 mi | 1 |
| Jun 2, 1990 | EF3 | 95 km | 12.0 mi | 0 |
| Jun 2, 1990 | EF3 | 85 km | 10.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
14 wildfires (100+ acres) recorded within 100 km. Largest: FLOATING MILL HOLLOW (2,422 acres, 2010).
| Year | Name | Acres Burned | Distance |
| 2010 | FLOATING MILL HOLLOW | 2,422 | 78 km |
| 2008 | BROOKS KNOB | 2,225 | 88 km |
| 2012 | FY2012 CRYSTAL CAVE BROADCAST BURN | 2,221 | 76 km |
| 2010 | JOPPA CHURCH | 2,037 | 84 km |
| 2004 | JIM LEE | 1,770 | 82 km |
| 2009 | TEMPLE HILL | 1,628 | 87 km |
| 2009 | JIM LEE | 1,613 | 82 km |
| 2007 | Big Woods | 1,500 | 74 km |
| 2008 | GOBLIN KNOB | 1,445 | 76 km |
| 2000 | UNNAMED | 1,083 | 84 km |
| 2001 | UNNAMED | 848 | 89 km |
| 2007 | DENNISON FERRY RX | 655 | 74 km |
| 2000 | UNNAMED | 641 | 88 km |
| 2005 | UNNAMED | 576 | 76 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 3.5 in | Coldest |
| February | 38°F (3°C) | 3.9 in | |
| March | 47°F (8°C) | 4.8 in | |
| April | 56°F (13°C) | 4.5 in | |
| May | 64°F (18°C) | 5.1 in | Wettest |
| June | 72°F (22°C) | 4.1 in | |
| July | 77°F (25°C) | 5.0 in | Warmest |
| August | 75°F (24°C) | 3.8 in | |
| September | 69°F (20°C) | 3.9 in | |
| October | 57°F (14°C) | 3.0 in | Driest |
| November | 47°F (8°C) | 4.1 in | |
| December | 38°F (3°C) | 4.6 in |
Loretto has a seasonal temperature swing of 42°F / from 35°F in January to 77°F in July. Total annual precipitation is 50.4 inches, with May being the wettest month (5.1") and October the driest (3.0").