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Weather & Climate in Fort Knox, KY

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Fort Knox enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 33°F in January while summers reach 76°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 54.4 inches (wetter than the 38-inch national average). The area receives 4.5 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 713 feet.

Temperature

33°F Jan (1°C) 76°F Jul (24°C)
Annual Average55.5°F
3% above US avg
January Average33°F (1°C)
July Average76°F (24°C)
Sunny Days299 days/yr

Geography

Elevation713 ft (217 m)
Area20.3 sq mi (52.6 km²)
Population Density430/sq mi
Coordinates37.8916°N, 85.9672°W
TimezoneAmerica/New_York
CountyHardin County County
Nearest AirportLouisville Muhammad Ali International (SDF)
23 miles away

Precipitation & Snow

Annual Rainfall 54.4"
43% above US avg
Snowfall 4.5"
Wettest Month (Mar) 4.61"
Driest Month (Oct) 2.60"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score75.5 / 100
Social Vulnerability33.8 / 100
Community Resilience56.3 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Moderate
Hail Relatively Moderate
Strong Wind Relatively High
Heat Wave Relatively Low
Winter Weather Relatively Moderate
Lightning Relatively High
Ice Storm Relatively High
Drought Very Low
Cold Wave Relatively Moderate
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

25 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.

Dec 7, 2000 7 km W of Evansville, Indiana M3.9 147 km 5 km
Jan 24, 1990 6 km WNW of Alton, Indiana M3.9 54 km 10 km
Jan 27, 1990 6 km N of Alton, Indiana M3.8 52 km 5 km
May 30, 2023 6 km W of Calhoun, Kentucky M3.0 126 km 0 km
Nov 28, 1998 6 km SW of Bremen, Kentucky M2.9 131 km 0 km
Aug 20, 2015 6 km SE of Lawrenceburg, Kentucky M2.8 100 km 34 km
Jan 28, 1991 9 km SW of Sacramento, Kentucky M2.8 134 km 1 km
May 11, 2025 11 km SE of High Bridge, Kentucky M2.8 120 km 30 km
Aug 15, 2001 5 km SSE of Spottsville, Kentucky M2.7 126 km 19 km
Mar 6, 2000 0 km E of Darmstadt, Indiana M2.7 142 km 5 km
Mar 9, 1990 8 km ENE of New Amsterdam, Indiana M2.7 34 km 5 km
Mar 21, 1990 1 km W of Spring Mill, Kentucky M2.7 39 km 4 km
Jan 12, 2023 4 km E of Burgin, Kentucky M2.6 111 km 35 km
Aug 4, 2023 11 km ENE of Lancaster, Kentucky M2.6 134 km 17 km
Feb 27, 2020 5 km SW of Bremen, Kentucky M2.6 130 km 27 km
Sep 12, 2015 5 km SE of Corydon, Kentucky M2.6 150 km 17 km
Aug 26, 2000 6 km N of Boonville, Indiana M2.6 117 km 5 km
Jan 8, 1995 Kentucky M2.6 131 km 30 km
Mar 22, 1990 9 km E of Rochester, Kentucky M2.6 106 km 5 km
Jan 29, 1990 11 km S of Paoli, Indiana M2.6 76 km 0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

474 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 92 fatalities, 1,527 injuries.

Date Rating Distance Path Fatalities
Apr 3, 1974 EF5 71 km 68.0 mi 6
Apr 3, 1974 EF5 53 km 32.0 mi 31
Mar 2, 2012 EF4 63 km 45.1 mi 11
May 28, 1996 EF4 35 km 30.0 mi 0
Apr 3, 1974 EF4 76 km 35.6 mi 11
Apr 3, 1974 EF4 87 km 20.2 mi 0
Apr 3, 1974 EF4 39 km 18.5 mi 3
Apr 3, 1974 EF4 81 km 79.4 mi 4
Apr 3, 1974 EF4 75 km 14.0 mi 0
Apr 3, 1974 EF4 20 km 37.9 mi 3
Apr 27, 1971 EF4 94 km 14.1 mi 6
Dec 11, 2021 EF3 72 km 14.5 mi 1
Feb 28, 2011 EF3 87 km 2.3 mi 0
Oct 18, 2007 EF3 74 km 4.8 mi 0
May 30, 2004 EF3 72 km 15.0 mi 1
May 23, 2000 EF3 50 km 6.0 mi 0
Apr 16, 1998 EF3 98 km 20.0 mi 0
Mar 28, 1997 EF3 54 km 2.0 mi 0
Mar 28, 1997 EF3 58 km 9.0 mi 1
Jun 2, 1990 EF3 53 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: FLOATING MILL HOLLOW (2,422 acres, 2010).

Year Name Acres Burned Distance
2010 FLOATING MILL HOLLOW 2,422 77 km
2008 BROOKS KNOB 2,225 80 km
2012 FY2012 CRYSTAL CAVE BROADCAST BURN 2,221 76 km
2010 JOPPA CHURCH 2,037 81 km
2004 JIM LEE 1,770 82 km
2009 TEMPLE HILL 1,628 79 km
2009 JIM LEE 1,613 82 km
2007 Big Woods 1,500 73 km
2008 GOBLIN KNOB 1,445 74 km
2017 UNNAMED 1,336 55 km
2019 UNNAMED 1,057 53 km
2021 UNNAMED 959 54 km
2014 UNNAMED 910 53 km
2019 UNNAMED 892 53 km
2024 LONG RUN RX 774 58 km
2010 RICEVILLE RX 671 77 km
2007 DENNISON FERRY RX 655 76 km
2000 UNNAMED 641 71 km
2019 UNNAMED 584 58 km
2010 ROCKHOUSE HOLLOW RX 581 56 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 33°F (1°C) 3.5 in Coldest
February 37°F (3°C) 3.6 in
March 46°F (8°C) 4.6 in Wettest
April 56°F (13°C) 4.2 in
May 64°F (18°C) 4.4 in
June 72°F (22°C) 4.0 in
July 76°F (24°C) 4.6 in Warmest
August 75°F (24°C) 3.6 in
September 68°F (20°C) 3.3 in
October 57°F (14°C) 2.6 in Driest
November 47°F (8°C) 3.7 in
December 37°F (3°C) 4.1 in

Fort Knox has a seasonal temperature swing of 43°F / from 33°F in January to 76°F in July. Total annual precipitation is 46.2 inches, with March being the wettest month (4.6") and October the driest (2.6").

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