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Weather & Climate in Vernon, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Vernon enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 40°F in January while summers reach 82°F in July. The area gets 310 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 43.5 inches. The area receives 5.0 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 789 feet.
Temperature
40°F Jan (4°C)
82°F Jul (28°C)
| Annual Average | 61.8°F |
| 14% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 789 ft (240 m) |
| Area | 5.7 sq mi (14.9 km²) |
| Population Density | 6/sq mi |
| Coordinates | 35.2265°N, 95.9386°W |
| Timezone | America/Chicago |
| County | McIntosh County County |
| Nearest Airport | Mc Alester Regional (MLC) 25 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 65.8 / 100 |
| Social Vulnerability | 98.4 / 100 |
| Community Resilience | 5.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2,200 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Feb 3, 2024 | 8 km NW of Prague, Oklahoma | M5.1 | 82 km | 3 km |
| Sep 6, 1997 | 6 km N of Tupelo, Oklahoma | M4.5 | 78 km | 5 km |
| Dec 7, 2013 | 8 km SW of Arcadia, Oklahoma | M4.5 | 138 km | 8 km |
| Apr 16, 2013 | Oklahoma | M4.4 | 116 km | 6 km |
| Jun 16, 2014 | 7 km NNE of Lake Aluma, Oklahoma | M4.3 | 138 km | 5 km |
| Jan 13, 2024 | 6 km W of Arcadia, Oklahoma | M4.3 | 141 km | 7 km |
| Apr 7, 2016 | 1 km E of Luther, Oklahoma | M4.2 | 122 km | 6 km |
| Jan 1, 2016 | 6 km ENE of Edmond, Oklahoma | M4.2 | 142 km | 6 km |
| Apr 19, 2015 | 6 km W of Langston, Oklahoma | M4.2 | 150 km | 3 km |
| Apr 7, 2014 | 6 km NNW of Meridian, Oklahoma | M4.2 | 142 km | 5 km |
| Apr 16, 2013 | 3 km WSW of Wellston, Oklahoma | M4.2 | 117 km | 7 km |
| Jul 14, 2017 | 10 km WSW of Shamrock, Oklahoma | M4.2 | 97 km | 7 km |
| Aug 3, 2017 | 6 km ENE of Edmond, Oklahoma | M4.2 | 142 km | 5 km |
| Feb 9, 2014 | 6 km SSW of Langston, Oklahoma | M4.1 | 143 km | 5 km |
| Apr 27, 2015 | 7 km WSW of Langston, Oklahoma | M4.1 | 147 km | 5 km |
| Jun 18, 2014 | 7 km NE of Lake Aluma, Oklahoma | M4.1 | 138 km | 5 km |
| Sep 18, 2015 | 3 km WNW of Cushing, Oklahoma | M4.1 | 115 km | 0 km |
| Jan 13, 2024 | 6 km ENE of Edmond, Oklahoma | M4.1 | 142 km | 7 km |
| Apr 3, 2012 | 8 km SSW of Pittsburg, Oklahoma | M4.1 | 66 km | 5 km |
| Feb 27, 2010 | 8 km SE of Sparks, Oklahoma | M4.1 | 82 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
811 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 91 fatalities, 1,125 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 5, 1960 | EF5 | 90 km | 71.8 mi | 5 |
| May 11, 1992 | EF4 | 53 km | 10.0 mi | 0 |
| Apr 29, 1984 | EF4 | 95 km | 27.0 mi | 1 |
| May 17, 1981 | EF4 | 62 km | 33.6 mi | 0 |
| Mar 26, 1976 | EF4 | 93 km | 10.7 mi | 1 |
| May 26, 1973 | EF4 | 67 km | 3.6 mi | 5 |
| Oct 5, 1970 | EF4 | 91 km | 25.0 mi | 4 |
| May 5, 1961 | EF4 | 100 km | 26.4 mi | 16 |
| May 5, 1960 | EF4 | 70 km | 62.4 mi | 16 |
| May 4, 1960 | EF4 | 84 km | 8.0 mi | 0 |
| May 9, 1959 | EF4 | 89 km | 6.2 mi | 7 |
| Apr 28, 1950 | EF4 | 45 km | 4.5 mi | 5 |
| Apr 27, 2024 | EF3 | 52 km | 27.9 mi | 2 |
| May 10, 2010 | EF3 | 95 km | 37.2 mi | 0 |
| May 29, 2004 | EF3 | 90 km | 7.5 mi | 0 |
| Jun 1, 1999 | EF3 | 44 km | 4.5 mi | 0 |
| May 3, 1999 | EF3 | 91 km | 16.0 mi | 0 |
| Oct 4, 1998 | EF3 | 77 km | 10.0 mi | 0 |
| May 26, 1997 | EF3 | 8 km | 5.0 mi | 0 |
| May 11, 1992 | EF3 | 78 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: UNNAMED (27,091 acres, 2004).
| Year | Name | Acres Burned | Distance |
| 2004 | UNNAMED | 27,091 | 16 km |
| 2011 | HOG TRAP | 22,895 | 22 km |
| 2009 | BURNT TRUST | 22,578 | 7 km |
| 2007 | UNNAMED | 18,089 | 90 km |
| 2011 | UNNAMED | 17,973 | 70 km |
| 1991 | UNNAMED | 16,700 | 14 km |
| 2005 | CABINESS | 14,646 | 26 km |
| 2004 | UNNAMED | 14,138 | 15 km |
| 2009 | 40 ACRE TURNAROUND | 13,985 | 65 km |
| 2016 | PHAROAH | 13,579 | 37 km |
| 2004 | UNNAMED | 12,163 | 76 km |
| 2004 | UNNAMED | 12,086 | 85 km |
| 2011 | UNNAMED | 11,348 | 23 km |
| 2005 | UNNAMED | 10,935 | 93 km |
| 2011 | UNNAMED | 10,444 | 94 km |
| 2011 | UNNAMED | 10,205 | 98 km |
| 2005 | WEWOKA CREEK | 9,921 | 42 km |
| 1996 | UNNAMED | 9,481 | 13 km |
| 2011 | TI VALLEY | 9,205 | 66 km |
| 1996 | UNNAMED | 9,165 | 17 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 1.7 in | Coldest, Driest |
| February | 43°F (6°C) | 2.3 in | |
| March | 52°F (11°C) | 3.9 in | |
| April | 61°F (16°C) | 4.1 in | |
| May | 68°F (20°C) | 5.9 in | Wettest |
| June | 76°F (25°C) | 4.1 in | |
| July | 82°F (28°C) | 2.8 in | Warmest |
| August | 81°F (27°C) | 2.6 in | |
| September | 73°F (23°C) | 4.7 in | |
| October | 63°F (17°C) | 4.2 in | |
| November | 51°F (10°C) | 3.5 in | |
| December | 42°F (5°C) | 2.5 in |
Vernon has a seasonal temperature swing of 42°F / from 40°F in January to 82°F in July. Total annual precipitation is 42.2 inches, with May being the wettest month (5.9") and January the driest (1.7").