All Countries
Weather & Climate in Oak Grove, KY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oak Grove enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 37°F in January while summers reach 78°F in July. The area gets 305 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 47.2 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 528 feet.
Temperature
37°F Jan (3°C)
78°F Jul (26°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 528 ft (161 m) |
| Area | 10.7 sq mi (27.8 km²) |
| Population Density | 742/sq mi |
| Coordinates | 36.6738°N, 87.4225°W |
| Timezone | America/New_York |
| County | Montgomery County County |
| Nearest Airport | Nashville International (BNA) 56 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.4 / 100 |
| Social Vulnerability | 20.5 / 100 |
| Community Resilience | 32.1 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
35 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jun 6, 2003 | 1 km NE of Bardwell, Kentucky | M4.0 | 142 km | 3 km |
| Dec 7, 2000 | 7 km W of Evansville, Indiana | M3.9 | 146 km | 5 km |
| Jun 20, 2005 | 4 km WSW of Blandville, Kentucky | M3.6 | 144 km | 19 km |
| Sep 26, 1994 | 4 km ENE of Blandville, Kentucky | M3.4 | 137 km | 13 km |
| Apr 8, 1998 | 2 km NNW of Blandville, Kentucky | M3.2 | 142 km | 13 km |
| Aug 26, 2003 | 5 km WSW of Brookport, Illinois | M3.1 | 122 km | 2 km |
| May 30, 2023 | 6 km W of Calhoun, Kentucky | M3.0 | 97 km | 0 km |
| Nov 28, 1998 | 6 km SW of Bremen, Kentucky | M2.9 | 73 km | 0 km |
| Jan 31, 2007 | 3 km N of Bardwell, Kentucky | M2.9 | 144 km | 16 km |
| May 11, 1998 | 5 km NW of Bardwell, Kentucky | M2.9 | 147 km | 6 km |
| Jan 3, 2003 | 9 km SW of Mount Vernon, Indiana | M2.9 | 141 km | 2 km |
| Apr 28, 2000 | 6 km W of Equality, Illinois | M2.9 | 148 km | 1 km |
| Jun 27, 2000 | 6 km S of Joppa, Illinois | M2.9 | 136 km | 12 km |
| Jan 28, 1991 | 9 km SW of Sacramento, Kentucky | M2.8 | 76 km | 1 km |
| Aug 15, 2001 | 5 km SSE of Spottsville, Kentucky | M2.7 | 126 km | 19 km |
| Jun 20, 2005 | 2 km WSW of Blandville, Kentucky | M2.7 | 143 km | 8 km |
| Feb 27, 2020 | 5 km SW of Bremen, Kentucky | M2.6 | 74 km | 27 km |
| Sep 12, 2015 | 5 km SE of Corydon, Kentucky | M2.6 | 117 km | 17 km |
| Oct 2, 1992 | 5 km S of Joppa, Illinois | M2.6 | 137 km | 12 km |
| Jan 27, 2014 | 1 km NE of Kevil, Kentucky | M2.6 | 137 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
558 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 69 fatalities, 1,307 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 15, 2005 | EF4 | 65 km | 15.0 mi | 0 |
| Dec 24, 1988 | EF4 | 96 km | 6.0 mi | 1 |
| Apr 27, 1970 | EF4 | 36 km | 42.6 mi | 3 |
| Apr 3, 1968 | EF4 | 78 km | 50.6 mi | 2 |
| Mar 4, 1964 | EF4 | 92 km | 18.5 mi | 3 |
| May 26, 2024 | EF3 | 75 km | 34.1 mi | 1 |
| Dec 9, 2023 | EF3 | 12 km | 47.2 mi | 4 |
| Dec 11, 2021 | EF3 | 41 km | 28.0 mi | 0 |
| Dec 11, 2021 | EF3 | 77 km | 29.3 mi | 16 |
| Mar 3, 2020 | EF3 | 70 km | 60.1 mi | 5 |
| Nov 17, 2013 | EF3 | 54 km | 8.2 mi | 0 |
| Apr 26, 2011 | EF3 | 8 km | 2.6 mi | 0 |
| Apr 10, 2009 | EF3 | 50 km | 2.0 mi | 0 |
| Feb 5, 2008 | EF3 | 57 km | 18.1 mi | 3 |
| Apr 7, 2006 | EF3 | 70 km | 22.7 mi | 7 |
| Apr 7, 2006 | EF3 | 46 km | 18.8 mi | 0 |
| Apr 2, 2006 | EF3 | 31 km | 29.7 mi | 0 |
| Nov 6, 2005 | EF3 | 100 km | 11.2 mi | 0 |
| May 11, 2003 | EF3 | 84 km | 1.8 mi | 0 |
| May 11, 2003 | EF3 | 90 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
14 wildfires (100+ acres) recorded within 100 km. Largest: DEVILS BACKBONE RX (3,215 acres, 2010).
| Year | Name | Acres Burned | Distance |
| 2010 | DEVILS BACKBONE RX | 3,215 | 53 km |
| 2010 | FRANKLIN CREEK RX | 2,828 | 60 km |
| 2019 | UNNAMED | 2,282 | 60 km |
| 2014 | UNNAMED | 1,837 | 48 km |
| 2007 | DEAD DEER | 1,557 | 80 km |
| 2006 | UNNAMED | 1,493 | 56 km |
| 2024 | LBL - NWDA UNIT 3 RX | 1,187 | 62 km |
| 2013 | UNNAMED | 1,167 | 72 km |
| 1999 | UNNAMED | 1,039 | 81 km |
| 2010 | BUFFALO TRAIL (NORTH) RX | 959 | 50 km |
| 2020 | UNNAMED | 917 | 68 km |
| 2006 | CLAY CREEK | 896 | 53 km |
| 2020 | UNNAMED | 750 | 70 km |
| 2010 | SCHOOLHOUSE RX | 722 | 55 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 3.8 in | Coldest |
| February | 38°F (3°C) | 4.2 in | |
| March | 48°F (9°C) | 5.2 in | Wettest |
| April | 57°F (14°C) | 4.4 in | |
| May | 66°F (19°C) | 5.0 in | |
| June | 74°F (23°C) | 4.1 in | |
| July | 78°F (26°C) | 4.2 in | Warmest |
| August | 77°F (25°C) | 3.5 in | |
| September | 70°F (21°C) | 3.6 in | |
| October | 59°F (15°C) | 3.3 in | Driest |
| November | 48°F (9°C) | 4.7 in | |
| December | 39°F (4°C) | 5.0 in |
Oak Grove has a seasonal temperature swing of 41°F / from 37°F in January to 78°F in July. Total annual precipitation is 50.8 inches, with March being the wettest month (5.2") and October the driest (3.3").