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Weather & Climate in Fort Gibson, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fort Gibson enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 38°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 43.2 inches. The area receives 2.6 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 515 feet.
Temperature
38°F Jan (3°C)
82°F Jul (28°C)
| Annual Average | 60.5°F |
| 12% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 515 ft (157 m) |
| Area | 14.2 sq mi (36.8 km²) |
| Population Density | 285/sq mi |
| Coordinates | 35.7822°N, 95.2601°W |
| Timezone | America/Chicago |
| County | Muskogee County County |
| Nearest Airport | Muskogee-Davis Regional (MKO) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 82.0 / 100 |
| Social Vulnerability | 79.9 / 100 |
| Community Resilience | 41.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
560 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 | 139 km | 3 km |
| Jul 14, 2017 | 10 km WSW of Shamrock, Oklahoma | M4.2 | 129 km | 7 km |
| Feb 27, 2010 | 8 km SE of Sparks, Oklahoma | M4.1 | 137 km | 5 km |
| Apr 3, 2012 | 8 km SSW of Pittsburg, Oklahoma | M4.1 | 139 km | 5 km |
| Sep 18, 2015 | 3 km WNW of Cushing, Oklahoma | M4.1 | 141 km | 0 km |
| Sep 25, 2015 | 1 km W of Cushing, Oklahoma | M4.0 | 139 km | 3 km |
| Jan 9, 2014 | 8 km SSE of Sparks, Oklahoma | M3.8 | 139 km | 3 km |
| May 10, 2012 | 9 km WNW of Prague, Oklahoma | M3.8 | 141 km | 5 km |
| Apr 16, 2012 | 8 km NW of Prague, Oklahoma | M3.8 | 138 km | 4 km |
| Sep 16, 2017 | 10 km WSW of Shamrock, Oklahoma | M3.8 | 129 km | 7 km |
| Aug 24, 2021 | 1 km S of Quinton, Oklahoma | M3.7 | 75 km | 7 km |
| Aug 18, 2019 | 1 km ENE of Quinton, Oklahoma | M3.7 | 73 km | 6 km |
| Sep 16, 2015 | 2 km WSW of Cushing, Oklahoma | M3.7 | 140 km | 4 km |
| Jun 12, 2015 | 6 km N of Maramec, Oklahoma | M3.7 | 140 km | 0 km |
| Mar 22, 2010 | 8 km SE of Sparks, Oklahoma | M3.7 | 137 km | 8 km |
| Mar 22, 2017 | 8 km SW of Shamrock, Oklahoma | M3.7 | 126 km | 5 km |
| Apr 7, 2021 | 7 km WSW of Horntown, Oklahoma | M3.6 | 125 km | 29 km |
| Feb 1, 2014 | 6 km NNW of Agra, Oklahoma | M3.6 | 150 km | 5 km |
| Jul 14, 2017 | 10 km WSW of Shamrock, Oklahoma | M3.6 | 129 km | 7 km |
| Sep 11, 2017 | 8 km ESE of Sparks, Oklahoma | M3.6 | 136 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
855 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 66 fatalities, 1,147 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 26, 1976 | EF5 | 82 km | 11.9 mi | 2 |
| Apr 24, 1993 | EF4 | 66 km | 5.5 mi | 7 |
| Apr 26, 1991 | EF4 | 85 km | 4.0 mi | 0 |
| May 26, 1973 | EF4 | 26 km | 3.6 mi | 5 |
| May 5, 1960 | EF4 | 78 km | 5.4 mi | 5 |
| Jan 22, 1957 | EF4 | 68 km | 0.1 mi | 10 |
| May 25, 2024 | EF3 | 82 km | 7.9 mi | 0 |
| May 25, 2024 | EF3 | 74 km | 23.9 mi | 2 |
| May 22, 2011 | EF3 | 84 km | 17.9 mi | 0 |
| Dec 31, 2010 | EF3 | 67 km | 21.1 mi | 4 |
| Mar 12, 2006 | EF3 | 38 km | 29.0 mi | 0 |
| Mar 12, 2006 | EF3 | 74 km | 25.0 mi | 0 |
| Jun 1, 1999 | EF3 | 46 km | 4.5 mi | 0 |
| Jun 1, 1999 | EF3 | 21 km | 2.0 mi | 2 |
| May 4, 1999 | EF3 | 68 km | 38.2 mi | 0 |
| May 26, 1997 | EF3 | 88 km | 5.0 mi | 0 |
| Apr 21, 1996 | EF3 | 86 km | 10.1 mi | 2 |
| Apr 24, 1993 | EF3 | 64 km | 8.0 mi | 0 |
| Jul 2, 1992 | EF3 | 86 km | 4.0 mi | 0 |
| Apr 26, 1984 | EF3 | 79 km | 22.0 mi | 8 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: BURNT TRUST (22,578 acres, 2009).
| Year | Name | Acres Burned | Distance |
| 2009 | BURNT TRUST | 22,578 | 93 km |
| 2007 | UNNAMED | 18,089 | 14 km |
| 2004 | UNNAMED | 14,138 | 73 km |
| 2016 | PHAROAH | 13,579 | 80 km |
| 2016 | WEST CAVANAL FIRE | 13,100 | 92 km |
| 2004 | UNNAMED | 12,086 | 15 km |
| 1996 | UNNAMED | 9,481 | 99 km |
| 1996 | UNNAMED | 9,165 | 97 km |
| 2005 | PROCTOR | 9,044 | 93 km |
| 2005 | DRIPPING SPRING | 8,510 | 82 km |
| 2017 | MIDDLE RIDGE | 8,501 | 62 km |
| 2009 | UNNAMED | 6,950 | 94 km |
| 2007 | UNNAMED | 6,657 | 64 km |
| 2017 | HILLTOP | 6,523 | 10 km |
| 2005 | TEXANNA ROAD | 6,139 | 41 km |
| 2012 | UNNAMED | 5,978 | 96 km |
| 1991 | UNNAMED | 5,800 | 92 km |
| 2015 | GREENWOOD | 5,774 | 100 km |
| 2022 | FISHER | 5,741 | 79 km |
| 2009 | TELAMAY HOLLOW | 5,686 | 48 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 2.0 in | Coldest, Driest |
| February | 42°F (6°C) | 2.2 in | |
| March | 51°F (11°C) | 3.8 in | |
| April | 61°F (16°C) | 4.1 in | |
| May | 68°F (20°C) | 5.4 in | Wettest |
| June | 76°F (25°C) | 4.8 in | |
| July | 82°F (28°C) | 2.8 in | Warmest |
| August | 81°F (27°C) | 2.7 in | |
| September | 73°F (23°C) | 5.0 in | |
| October | 62°F (17°C) | 4.3 in | |
| November | 50°F (10°C) | 4.1 in | |
| December | 41°F (5°C) | 3.0 in |
Fort Gibson has a seasonal temperature swing of 45°F / from 38°F in January to 82°F in July. Total annual precipitation is 44.3 inches, with May being the wettest month (5.4") and January the driest (2.0").