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Weather & Climate in Greenville, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Greenville enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 43°F in January while summers reach 85°F in July. The area gets 320 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 38.0 inches. The area receives 2.7 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 737 feet.
Temperature
43°F Jan (6°C)
85°F Jul (29°C)
| Annual Average | 64.5°F |
| 19% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 320 days/yr |
Geography
| Elevation | 737 ft (225 m) |
| Area | 1.3 sq mi (3.3 km²) |
| Population Density | 112/sq mi |
| Coordinates | 34.0044°N, 97.1213°W |
| Timezone | America/Chicago |
| County | Carter County County |
| Nearest Airport | North Texas Regional/Perrin Field (PNX) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 74.9 / 100 |
| Social Vulnerability | 64.2 / 100 |
| Community Resilience | 43.0 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
321 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Sep 6, 1997 | 6 km N of Tupelo, Oklahoma | M4.5 | 96 km | 5 km |
| Jan 18, 1995 | 4 km SSE of Erin Springs, Oklahoma | M4.2 | 96 km | 5 km |
| Apr 3, 2012 | 8 km SSW of Pittsburg, Oklahoma | M4.1 | 134 km | 5 km |
| Apr 28, 1998 | 9 km NE of Medicine Park, Oklahoma | M3.9 | 147 km | 5 km |
| Nov 15, 1990 | 5 km SSE of Erin Springs, Oklahoma | M3.9 | 94 km | 5 km |
| Feb 8, 2002 | 8 km SW of Elgin, Oklahoma | M3.8 | 139 km | 5 km |
| Nov 28, 2013 | 6 km SSW of Perrin, Texas | M3.7 | 146 km | 5 km |
| Dec 9, 2013 | 8 km S of Perrin, Texas | M3.7 | 145 km | 5 km |
| Sep 25, 2023 | 9 km WNW of Velma, Oklahoma | M3.7 | 80 km | 20 km |
| Apr 7, 2021 | 7 km WSW of Horntown, Oklahoma | M3.6 | 139 km | 29 km |
| Dec 8, 2013 | 0 km NNE of Sanctuary, Texas | M3.6 | 129 km | 5 km |
| Jan 7, 2015 | 6 km NE of Irving, Texas | M3.6 | 130 km | 5 km |
| Nov 20, 2013 | 1 km NNW of Azle, Texas | M3.6 | 128 km | 5 km |
| Dec 17, 1992 | 7 km SSE of Erin Springs, Oklahoma | M3.6 | 92 km | 5 km |
| Jan 6, 2015 | 4 km ENE of Irving, Texas | M3.5 | 132 km | 6 km |
| Mar 4, 2013 | 5 km S of Tishomingo, Oklahoma | M3.5 | 46 km | 5 km |
| Jun 8, 2004 | 6 km N of Lone Grove, Oklahoma | M3.5 | 28 km | 5 km |
| Apr 28, 2013 | 4 km NNW of Oakland, Oklahoma | M3.5 | 32 km | 5 km |
| Apr 19, 2021 | 8 km SW of Dibble, Oklahoma | M3.5 | 120 km | 11 km |
| Nov 25, 2013 | 3 km WNW of Sanctuary, Texas | M3.4 | 129 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
729 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 63 fatalities, 633 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 27, 2024 | EF4 | 10 km | 26.8 mi | 1 |
| May 9, 2016 | EF4 | 65 km | 8.9 mi | 1 |
| Feb 10, 2009 | EF4 | 47 km | 37.0 mi | 8 |
| Apr 19, 1972 | EF4 | 57 km | 28.2 mi | 5 |
| Apr 27, 1966 | EF4 | 65 km | 10.2 mi | 0 |
| May 9, 1959 | EF4 | 85 km | 6.2 mi | 7 |
| Apr 2, 1957 | EF4 | 43 km | 5.2 mi | 2 |
| Apr 2, 1957 | EF4 | 64 km | 7.9 mi | 3 |
| Nov 3, 2024 | EF3 | 84 km | 21.7 mi | 0 |
| May 25, 2024 | EF3 | 80 km | 0.7 mi | 0 |
| May 25, 2024 | EF3 | 78 km | 47.3 mi | 7 |
| Apr 27, 2024 | EF3 | 54 km | 9.9 mi | 1 |
| Apr 30, 2019 | EF3 | 84 km | 27.6 mi | 2 |
| May 9, 2016 | EF3 | 62 km | 16.6 mi | 0 |
| May 9, 2016 | EF3 | 62 km | 9.1 mi | 1 |
| May 25, 2015 | EF3 | 79 km | 18.8 mi | 1 |
| Apr 14, 2011 | EF3 | 86 km | 17.0 mi | 2 |
| May 10, 2010 | EF3 | 32 km | 4.9 mi | 0 |
| May 9, 2006 | EF3 | 90 km | 9.3 mi | 3 |
| May 7, 1995 | EF3 | 66 km | 26.0 mi | 2 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: LOCO-HEALDTON (56,584 acres, 2009).
| Year | Name | Acres Burned | Distance |
| 2009 | LOCO-HEALDTON | 56,584 | 45 km |
| 1991 | ARBUCKLE | 29,823 | 43 km |
| 2021 | WINDMILL | 28,410 | 46 km |
| 2009 | MONTAGUE COUNTY COMPLEX | 25,907 | 81 km |
| 2009 | RATCLIFF CITY-TATUMS | 23,099 | 63 km |
| 2009 | BRUSHY MOUNTAIN | 18,412 | 18 km |
| 2006 | RINGGOLD | 16,382 | 72 km |
| 2005 | UNNAMED | 15,416 | 51 km |
| 2006 | RATLIFF CITY | 12,435 | 55 km |
| 2000 | UNNAMED | 9,943 | 45 km |
| 2006 | BIA EMPIRE | 7,544 | 94 km |
| 1988 | UNNAMED | 7,228 | 42 km |
| 2006 | BIALOCO | 6,843 | 61 km |
| 2009 | MONTAGUE COUNTY COMPLEX | 6,505 | 60 km |
| 2017 | SQUIRREL CREEK | 6,463 | 77 km |
| 2006 | VELMA | 6,364 | 75 km |
| 2011 | MCDONALD II | 5,932 | 95 km |
| 1996 | TURNPIKE MVD | 5,912 | 65 km |
| 2005 | CALLISBURG | 5,797 | 29 km |
| 2005 | ANTIOCH | 5,513 | 80 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 1.7 in | Coldest, Driest |
| February | 45°F (7°C) | 2.2 in | |
| March | 54°F (12°C) | 3.2 in | |
| April | 62°F (17°C) | 3.4 in | |
| May | 70°F (21°C) | 5.0 in | Wettest |
| June | 78°F (25°C) | 4.1 in | |
| July | 85°F (29°C) | 2.2 in | Warmest |
| August | 82°F (28°C) | 2.4 in | |
| September | 75°F (24°C) | 4.3 in | |
| October | 64°F (18°C) | 4.1 in | |
| November | 52°F (11°C) | 2.6 in | |
| December | 44°F (6°C) | 2.1 in |
Greenville has a seasonal temperature swing of 42°F / from 43°F in January to 85°F in July. Total annual precipitation is 37.2 inches, with May being the wettest month (5.0") and January the driest (1.7").