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Weather & Climate in Union City, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Union City enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 39°F in January while summers reach 82°F in July. The area gets 318 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 1,316 feet.
Temperature
39°F Jan (4°C)
82°F Jul (28°C)
| Annual Average | 60.3°F |
| 12% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 1,316 ft (401 m) |
| Area | 56.1 sq mi (145.4 km²) |
| Population Density | 29/sq mi |
| Coordinates | 35.3995°N, 97.9067°W |
| Timezone | America/Chicago |
| County | Canadian County County |
| Nearest Airport | Will Rogers World (OKC) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 83.5 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 62.1 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
5,415 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 | 144 km | 6 km |
| Feb 13, 2016 | 18 km SE of Waynoka, Oklahoma | M5.1 | 141 km | 8 km |
| Feb 3, 2024 | 8 km NW of Prague, Oklahoma | M5.1 | 105 km | 3 km |
| Jan 7, 2016 | 16 km SE of Waynoka, Oklahoma | M4.7 | 142 km | 4 km |
| Apr 9, 2018 | 8 km NNE of Marshall, Oklahoma | M4.6 | 96 km | 5 km |
| Apr 7, 2018 | 5 km WNW of Lucien, Oklahoma | M4.6 | 105 km | 6 km |
| Jul 27, 2015 | 4 km NNE of Crescent, Oklahoma | M4.5 | 72 km | 5 km |
| Dec 7, 2013 | 8 km SW of Arcadia, Oklahoma | M4.5 | 53 km | 8 km |
| Apr 16, 2013 | Oklahoma | M4.4 | 81 km | 6 km |
| Jan 7, 2016 | 16 km SE of Waynoka, Oklahoma | M4.4 | 142 km | 7 km |
| Jul 9, 2016 | 17 km SE of Waynoka, Oklahoma | M4.4 | 141 km | 7 km |
| May 17, 2019 | 8 km E of Pond Creek, Oklahoma | M4.4 | 142 km | 5 km |
| Jan 7, 2016 | 17 km SE of Waynoka, Oklahoma | M4.4 | 141 km | 7 km |
| Aug 19, 2014 | 12 km SSW of Guthrie, Oklahoma | M4.4 | 57 km | 5 km |
| Jun 16, 2014 | 7 km NNE of Lake Aluma, Oklahoma | M4.3 | 51 km | 5 km |
| Jun 17, 2015 | 6 km ESE of Covington, Oklahoma | M4.3 | 104 km | 6 km |
| Sep 8, 2017 | 9 km ESE of Jefferson, Oklahoma | M4.3 | 146 km | 6 km |
| Jan 13, 2024 | 6 km W of Arcadia, Oklahoma | M4.3 | 55 km | 7 km |
| Jan 18, 1995 | 4 km SSE of Erin Springs, Oklahoma | M4.2 | 75 km | 5 km |
| Mar 30, 2014 | 2 km S of Marshall, Oklahoma | M4.2 | 85 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
997 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 120 fatalities, 2,251 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 20, 2013 | EF5 | 28 km | 13.9 mi | 24 |
| May 24, 2011 | EF5 | 35 km | 63.1 mi | 9 |
| May 3, 1999 | EF5 | 30 km | 37.0 mi | 36 |
| May 5, 1960 | EF5 | 90 km | 71.8 mi | 5 |
| May 19, 2013 | EF4 | 57 km | 23.0 mi | 2 |
| May 24, 2011 | EF4 | 60 km | 23.1 mi | 0 |
| May 24, 2011 | EF4 | 44 km | 33.3 mi | 1 |
| May 10, 2010 | EF4 | 50 km | 22.3 mi | 1 |
| May 10, 2010 | EF4 | 39 km | 24.0 mi | 2 |
| May 8, 2003 | EF4 | 35 km | 17.3 mi | 0 |
| May 3, 1999 | EF4 | 59 km | 15.0 mi | 1 |
| May 3, 1999 | EF4 | 57 km | 35.0 mi | 2 |
| May 22, 1981 | EF4 | 43 km | 16.7 mi | 0 |
| Apr 30, 1978 | EF4 | 25 km | 9.3 mi | 0 |
| Apr 17, 1976 | EF4 | 80 km | 32.9 mi | 0 |
| May 24, 1973 | EF4 | 6 km | 13.3 mi | 2 |
| Oct 5, 1970 | EF4 | 89 km | 25.0 mi | 4 |
| Jun 10, 1967 | EF4 | 60 km | 0.1 mi | 0 |
| Sep 14, 1957 | EF4 | 78 km | 67.5 mi | 2 |
| May 1, 1954 | EF4 | 49 km | 59.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: RUSH (12,239 acres, 2024).
| Year | Name | Acres Burned | Distance |
| 2024 | RUSH | 12,239 | 98 km |
| 2008 | UNNAMED | 10,392 | 97 km |
| 1993 | CRATER CREEK | 8,963 | 99 km |
| 2022 | 720 FIRE | 8,761 | 84 km |
| 2009 | MULHALL-PAYNE COUNTY | 8,186 | 95 km |
| 1994 | MT SCOTT | 8,005 | 95 km |
| 2000 | UNNAMED | 7,962 | 94 km |
| 2012 | NOBLE | 7,037 | 67 km |
| 2009 | LINDSAY | 6,195 | 56 km |
| 2022 | 115 / MEERS | 6,136 | 89 km |
| 2023 | RX MARCY RUSH | 5,998 | 100 km |
| 2004 | TARBONE COMPLEX | 5,929 | 97 km |
| 2005 | ANTIOCH | 5,513 | 93 km |
| 2012 | NINNEKAH | 5,438 | 52 km |
| 2006 | CHANDLER | 5,089 | 96 km |
| 2018 | RX - SCOTT | 4,958 | 93 km |
| 2024 | OKWMR-HFR-FY24-RX-MT-SCOTT | 4,737 | 93 km |
| 2011 | FT SILL FIRE | 4,507 | 97 km |
| 2022 | 58 FIRE | 4,148 | 80 km |
| 2005 | KIMBALL RANCH | 4,103 | 86 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 1.3 in | Coldest, Driest |
| February | 42°F (5°C) | 1.5 in | |
| March | 50°F (10°C) | 2.7 in | |
| April | 59°F (15°C) | 2.8 in | |
| May | 68°F (20°C) | 5.4 in | Wettest |
| June | 77°F (25°C) | 4.4 in | |
| July | 82°F (28°C) | 2.4 in | Warmest |
| August | 81°F (27°C) | 2.7 in | |
| September | 73°F (23°C) | 4.1 in | |
| October | 61°F (16°C) | 3.0 in | |
| November | 48°F (9°C) | 2.1 in | |
| December | 39°F (4°C) | 1.3 in |
Union City has a seasonal temperature swing of 43°F / from 39°F in January to 82°F in July. Total annual precipitation is 33.6 inches, with May being the wettest month (5.4") and January the driest (1.3").