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Weather & Climate in Iron Post, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Iron Post enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 36°F in January while summers reach 80°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 44.7 inches. The area receives 7.5 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 884 feet.
Temperature
36°F Jan (2°C)
80°F Jul (27°C)
| Annual Average | 59.0°F |
| 9% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 884 ft (269 m) |
| Area | 1.0 sq mi (2.7 km²) |
| Population Density | 16/sq mi |
| Coordinates | 36.1558°N, 95.1352°W |
| Timezone | America/Chicago |
| County | Mayes County County |
| Nearest Airport | Grand Lake Regional (NRI) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.6 / 100 |
| Social Vulnerability | 83.2 / 100 |
| Community Resilience | 25.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| 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
302 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Jul 14, 2017 | 10 km WSW of Shamrock, Oklahoma | M4.2 | 143 km | 7 km |
| Sep 25, 2015 | 1 km W of Cushing, Oklahoma | M4.0 | 150 km | 3 km |
| Sep 16, 2017 | 10 km WSW of Shamrock, Oklahoma | M3.8 | 143 km | 7 km |
| Aug 24, 2021 | 1 km S of Quinton, Oklahoma | M3.7 | 118 km | 7 km |
| Aug 18, 2019 | 1 km ENE of Quinton, Oklahoma | M3.7 | 116 km | 6 km |
| Mar 22, 2017 | 8 km SW of Shamrock, Oklahoma | M3.7 | 140 km | 5 km |
| Jun 12, 2015 | 6 km N of Maramec, Oklahoma | M3.7 | 139 km | 0 km |
| Jul 14, 2017 | 10 km WSW of Shamrock, Oklahoma | M3.6 | 143 km | 7 km |
| Aug 18, 2014 | 4 km NW of Cromwell, Oklahoma | M3.5 | 150 km | 5 km |
| Jul 24, 2013 | 4 km NNW of Cromwell, Oklahoma | M3.5 | 149 km | 9 km |
| Jul 14, 2017 | 10 km WSW of Shamrock, Oklahoma | M3.5 | 143 km | 7 km |
| Aug 3, 2017 | 9 km WSW of Shamrock, Oklahoma | M3.5 | 142 km | 6 km |
| Jan 31, 2016 | 1 km NW of Skedee, Oklahoma | M3.5 | 144 km | 7 km |
| Apr 12, 2015 | 4 km S of Cushing, Oklahoma | M3.5 | 149 km | 4 km |
| Jun 14, 2019 | 5 km N of Stroud, Oklahoma | M3.4 | 142 km | 7 km |
| Jul 3, 2016 | 2 km W of Quay, Oklahoma | M3.4 | 144 km | 5 km |
| Sep 1, 2015 | 4 km SSW of Cushing, Oklahoma | M3.4 | 150 km | 4 km |
| Jul 8, 2017 | 6 km N of Maramec, Oklahoma | M3.4 | 141 km | 7 km |
| Jul 14, 2017 | 10 km NE of Kendrick, Oklahoma | M3.4 | 145 km | 5 km |
| Feb 9, 2016 | 6 km WNW of Maramec, Oklahoma | M3.4 | 145 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
843 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 71 fatalities, 1,332 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 10, 2008 | EF4 | 94 km | 75.5 mi | 21 |
| Apr 24, 1993 | EF4 | 62 km | 5.5 mi | 7 |
| Apr 26, 1991 | EF4 | 62 km | 4.0 mi | 0 |
| Apr 24, 1975 | EF4 | 90 km | 11.9 mi | 3 |
| May 26, 1973 | EF4 | 69 km | 3.6 mi | 5 |
| Sep 27, 1959 | EF4 | 78 km | 20.4 mi | 1 |
| Jan 22, 1957 | EF4 | 94 km | 0.1 mi | 10 |
| Apr 3, 1956 | EF4 | 70 km | 41.8 mi | 0 |
| May 25, 2024 | EF3 | 59 km | 23.9 mi | 2 |
| May 25, 2024 | EF3 | 49 km | 7.9 mi | 0 |
| Mar 30, 2022 | EF3 | 88 km | 5.2 mi | 0 |
| May 22, 2011 | EF3 | 42 km | 17.9 mi | 0 |
| Dec 31, 2010 | EF3 | 54 km | 21.1 mi | 4 |
| Mar 12, 2006 | EF3 | 7 km | 29.0 mi | 0 |
| Mar 12, 2006 | EF3 | 44 km | 25.0 mi | 0 |
| Jun 1, 1999 | EF3 | 88 km | 4.5 mi | 0 |
| Jun 1, 1999 | EF3 | 23 km | 2.0 mi | 2 |
| May 4, 1999 | EF3 | 84 km | 38.2 mi | 0 |
| Apr 24, 1993 | EF3 | 62 km | 8.0 mi | 0 |
| Jul 2, 1992 | EF3 | 68 km | 4.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (51,112 acres, 2014).
| Year | Name | Acres Burned | Distance |
| 2014 | UNNAMED | 51,112 | 96 km |
| 2021 | CANDY CREEK | 23,167 | 94 km |
| 2007 | UNNAMED | 18,089 | 50 km |
| 2015 | WOLF CREEK | 18,077 | 94 km |
| 2023 | HWY 123 | 14,980 | 100 km |
| 2014 | UNNAMED | 14,119 | 84 km |
| 2004 | UNNAMED | 12,086 | 54 km |
| 2023 | ZINK | 11,332 | 95 km |
| 2016 | MUSTANG | 10,060 | 98 km |
| 2016 | MAKER | 9,940 | 98 km |
| 2005 | CHOUTEAU | 9,765 | 100 km |
| 2017 | MIDDLE RIDGE | 8,501 | 79 km |
| 2007 | UNNAMED | 6,657 | 80 km |
| 2011 | KELLEY | 6,561 | 96 km |
| 2017 | HILLTOP | 6,523 | 47 km |
| 2005 | TEXANNA ROAD | 6,139 | 84 km |
| 2016 | BEAR | 5,966 | 94 km |
| 2009 | TELAMAY HOLLOW | 5,686 | 32 km |
| 2017 | PERSIMMON RIDGE | 5,333 | 56 km |
| 2009 | SAWMILL HOLLOW | 5,166 | 31 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 2.0 in | Coldest, Driest |
| February | 41°F (5°C) | 2.2 in | |
| March | 50°F (10°C) | 3.8 in | |
| April | 59°F (15°C) | 4.0 in | |
| May | 67°F (19°C) | 5.2 in | Wettest |
| June | 75°F (24°C) | 5.0 in | |
| July | 80°F (27°C) | 3.0 in | Warmest |
| August | 79°F (26°C) | 3.3 in | |
| September | 72°F (22°C) | 5.1 in | |
| October | 61°F (16°C) | 4.2 in | |
| November | 49°F (9°C) | 4.1 in | |
| December | 40°F (4°C) | 2.9 in |
Iron Post has a seasonal temperature swing of 44°F / from 36°F in January to 80°F in July. Total annual precipitation is 44.7 inches, with May being the wettest month (5.2") and January the driest (2.0").