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Weather & Climate in Gregory, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gregory enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 36°F in January while summers reach 81°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 45.9 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 634 feet.
Temperature
36°F Jan (2°C)
81°F Jul (27°C)
| Annual Average | 59.0°F |
| 9% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 634 ft (193 m) |
| Area | 1.2 sq mi (3.0 km²) |
| Population Density | 61/sq mi |
| Coordinates | 36.1697°N, 95.5741°W |
| Timezone | America/Chicago |
| County | Rogers County County |
| Nearest Airport | Tulsa International (TUL) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 80.1 / 100 |
| Social Vulnerability | 36.4 / 100 |
| Community Resilience | 55.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| 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 | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1,301 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Sep 3, 2016 | 14 km NW of Pawnee, Oklahoma | M5.8 | 125 km | 6 km |
| Feb 3, 2024 | 8 km NW of Prague, Oklahoma | M5.1 | 128 km | 3 km |
| Apr 16, 2013 | Oklahoma | M4.4 | 147 km | 6 km |
| Apr 16, 2013 | 3 km WSW of Wellston, Oklahoma | M4.2 | 148 km | 7 km |
| Jul 14, 2017 | 10 km WSW of Shamrock, Oklahoma | M4.2 | 106 km | 7 km |
| Sep 18, 2015 | 3 km WNW of Cushing, Oklahoma | M4.1 | 112 km | 0 km |
| Feb 27, 2010 | 8 km SE of Sparks, Oklahoma | M4.1 | 126 km | 5 km |
| Apr 6, 2023 | 4 km ESE of Carney, Oklahoma | M4.0 | 132 km | 7 km |
| Sep 25, 2015 | 1 km W of Cushing, Oklahoma | M4.0 | 111 km | 3 km |
| Aug 17, 2016 | 2 km SW of Wellston, Oklahoma | M4.0 | 146 km | 6 km |
| Jun 8, 2016 | 13 km NNW of Pawnee, Oklahoma | M3.9 | 122 km | 7 km |
| Jan 9, 2014 | 8 km SSE of Sparks, Oklahoma | M3.8 | 129 km | 3 km |
| Sep 24, 2017 | 10 km SSE of Red Rock, Oklahoma | M3.8 | 141 km | 7 km |
| Apr 16, 2012 | 8 km NW of Prague, Oklahoma | M3.8 | 128 km | 4 km |
| May 10, 2012 | 9 km WNW of Prague, Oklahoma | M3.8 | 131 km | 5 km |
| Sep 16, 2017 | 10 km WSW of Shamrock, Oklahoma | M3.8 | 106 km | 7 km |
| Jun 16, 2021 | 3 km SE of Carney, Oklahoma | M3.7 | 134 km | 7 km |
| Aug 24, 2021 | 1 km S of Quinton, Oklahoma | M3.7 | 119 km | 7 km |
| Aug 18, 2019 | 1 km ENE of Quinton, Oklahoma | M3.7 | 118 km | 6 km |
| Sep 9, 2016 | 4 km ENE of Morrison, Oklahoma | M3.7 | 126 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
857 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 72 fatalities, 1,403 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 6, 2024 | EF4 | 72 km | 40.8 mi | 2 |
| Apr 24, 1993 | EF4 | 23 km | 5.5 mi | 7 |
| Apr 26, 1991 | EF4 | 34 km | 4.0 mi | 0 |
| Apr 26, 1991 | EF4 | 85 km | 32.0 mi | 1 |
| Apr 29, 1984 | EF4 | 87 km | 27.0 mi | 1 |
| Apr 26, 1984 | EF4 | 93 km | 22.0 mi | 3 |
| Jun 8, 1974 | EF4 | 100 km | 29.0 mi | 14 |
| May 26, 1973 | EF4 | 73 km | 3.6 mi | 5 |
| Sep 27, 1959 | EF4 | 81 km | 20.4 mi | 1 |
| Apr 3, 1956 | EF4 | 86 km | 41.8 mi | 0 |
| May 25, 2024 | EF3 | 87 km | 7.9 mi | 0 |
| May 25, 2024 | EF3 | 23 km | 23.9 mi | 2 |
| May 22, 2011 | EF3 | 70 km | 17.9 mi | 0 |
| Dec 31, 2010 | EF3 | 93 km | 21.1 mi | 4 |
| Mar 12, 2006 | EF3 | 43 km | 29.0 mi | 0 |
| Mar 12, 2006 | EF3 | 83 km | 25.0 mi | 0 |
| May 29, 2004 | EF3 | 100 km | 7.5 mi | 0 |
| Jun 1, 1999 | EF3 | 82 km | 4.5 mi | 0 |
| Jun 1, 1999 | EF3 | 37 km | 2.0 mi | 2 |
| Apr 24, 1993 | EF3 | 23 km | 8.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: FREEDOM HILL (57,116 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | FREEDOM HILL | 57,116 | 75 km |
| 2014 | UNNAMED | 51,112 | 77 km |
| 2014 | UNNAMED | 36,112 | 70 km |
| 2014 | UNNAMED | 32,901 | 92 km |
| 2018 | DRUMB | 30,422 | 73 km |
| 2021 | CANDY CREEK | 23,167 | 61 km |
| 2004 | UNNAMED | 19,648 | 96 km |
| 2014 | RESERVE | 19,016 | 93 km |
| 2007 | UNNAMED | 18,089 | 65 km |
| 2015 | WOLF CREEK | 18,077 | 76 km |
| 2014 | UNNAMED | 17,075 | 87 km |
| 2023 | HWY 123 | 14,980 | 70 km |
| 2016 | BAR-DEW LAKE | 14,806 | 84 km |
| 2014 | SPIDER | 14,587 | 90 km |
| 2004 | UNNAMED | 14,138 | 96 km |
| 2014 | UNNAMED | 14,119 | 50 km |
| 2016 | PHAROAH | 13,579 | 85 km |
| 2004 | UNNAMED | 12,086 | 67 km |
| 2023 | NORTH DRUM | 11,618 | 71 km |
| 2023 | ZINK | 11,332 | 56 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 1.7 in | Coldest, Driest |
| February | 41°F (5°C) | 2.1 in | |
| March | 50°F (10°C) | 3.6 in | |
| April | 60°F (15°C) | 4.0 in | |
| May | 68°F (20°C) | 5.2 in | Wettest |
| June | 76°F (25°C) | 4.8 in | |
| July | 81°F (27°C) | 3.1 in | Warmest |
| August | 80°F (27°C) | 3.0 in | |
| September | 73°F (23°C) | 4.9 in | |
| October | 61°F (16°C) | 3.8 in | |
| November | 49°F (9°C) | 3.8 in | |
| December | 39°F (4°C) | 2.5 in |
Gregory has a seasonal temperature swing of 45°F / from 36°F in January to 81°F in July. Total annual precipitation is 42.5 inches, with May being the wettest month (5.2") and January the driest (1.7").