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Weather & Climate in Arapaho, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Arapaho enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 38°F in January while summers reach 83°F in July. The area gets 320 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 31.0 inches. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 1,659 feet.
Temperature
38°F Jan (3°C)
83°F Jul (28°C)
| Annual Average | 60.5°F |
| 12% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 320 days/yr |
Geography
| Elevation | 1,659 ft (506 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 1,146/sq mi |
| Coordinates | 35.5778°N, 98.9593°W |
| Timezone | America/Chicago |
| County | Custer County County |
| Nearest Airport | Clinton Regional (CLK) 3 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.0 / 100 |
| Social Vulnerability | 62.3 / 100 |
| Community Resilience | 42.0 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| 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
2,790 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Feb 13, 2016 | 18 km SE of Waynoka, Oklahoma | M5.1 | 104 km | 8 km |
| Jan 7, 2016 | 16 km SE of Waynoka, Oklahoma | M4.7 | 104 km | 4 km |
| Apr 9, 2018 | 8 km NNE of Marshall, Oklahoma | M4.6 | 144 km | 5 km |
| Dec 7, 2013 | 8 km SW of Arcadia, Oklahoma | M4.5 | 142 km | 8 km |
| Jul 27, 2015 | 4 km NNE of Crescent, Oklahoma | M4.5 | 133 km | 5 km |
| Jul 9, 2016 | 17 km SE of Waynoka, Oklahoma | M4.4 | 100 km | 7 km |
| Aug 19, 2014 | 12 km SSW of Guthrie, Oklahoma | M4.4 | 137 km | 5 km |
| Jan 7, 2016 | 16 km SE of Waynoka, Oklahoma | M4.4 | 103 km | 7 km |
| Jan 7, 2016 | 17 km SE of Waynoka, Oklahoma | M4.4 | 102 km | 7 km |
| Jun 16, 2014 | 7 km NNE of Lake Aluma, Oklahoma | M4.3 | 141 km | 5 km |
| Jan 13, 2024 | 6 km W of Arcadia, Oklahoma | M4.3 | 141 km | 7 km |
| Mar 29, 2016 | 4 km NNE of Crescent, Oklahoma | M4.2 | 133 km | 5 km |
| Feb 5, 2015 | 8 km NE of Cherokee, Oklahoma | M4.2 | 150 km | 4 km |
| Mar 30, 2014 | 2 km S of Marshall, Oklahoma | M4.2 | 135 km | 5 km |
| Aug 3, 2017 | 6 km ENE of Edmond, Oklahoma | M4.2 | 141 km | 5 km |
| Jul 8, 2016 | 17 km SE of Waynoka, OK | M4.2 | 102 km | 6 km |
| Jul 8, 2016 | 17 km SE of Waynoka, Oklahoma | M4.2 | 102 km | 7 km |
| Mar 5, 2018 | 5 km NNW of Breckinridge, Oklahoma | M4.2 | 148 km | 8 km |
| Mar 4, 2018 | 4 km N of Breckinridge, Oklahoma | M4.2 | 148 km | 8 km |
| May 13, 2017 | 17 km SE of Waynoka, Oklahoma | M4.2 | 102 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
729 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 39 fatalities, 426 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 24, 2011 | EF5 | 63 km | 63.1 mi | 9 |
| May 3, 1999 | EF4 | 99 km | 15.0 mi | 1 |
| May 22, 1981 | EF4 | 61 km | 16.7 mi | 0 |
| Apr 17, 1976 | EF4 | 87 km | 32.9 mi | 0 |
| May 24, 1973 | EF4 | 92 km | 13.3 mi | 2 |
| Jun 10, 1967 | EF4 | 38 km | 8.7 mi | 4 |
| Jun 10, 1967 | EF4 | 66 km | 0.1 mi | 0 |
| May 25, 1962 | EF4 | 41 km | 7.2 mi | 0 |
| May 25, 2019 | EF3 | 91 km | 2.2 mi | 2 |
| May 31, 2013 | EF3 | 79 km | 16.2 mi | 8 |
| Apr 14, 2012 | EF3 | 95 km | 34.0 mi | 6 |
| May 24, 2011 | EF3 | 61 km | 13.2 mi | 1 |
| May 24, 2011 | EF3 | 53 km | 8.6 mi | 0 |
| May 5, 2007 | EF3 | 85 km | 7.7 mi | 0 |
| Apr 17, 2002 | EF3 | 59 km | 8.0 mi | 0 |
| Oct 9, 2001 | EF3 | 33 km | 6.0 mi | 0 |
| Oct 9, 2001 | EF3 | 56 km | 13.0 mi | 0 |
| Oct 9, 2001 | EF3 | 42 km | 11.5 mi | 0 |
| May 3, 1999 | EF3 | 97 km | 6.0 mi | 0 |
| May 3, 1999 | EF3 | 90 km | 22.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: RHEA (277,949 acres, 2018).
| Year | Name | Acres Burned | Distance |
| 2018 | RHEA | 277,949 | 47 km |
| 2009 | PUTNAM | 42,995 | 42 km |
| 2011 | FERGUSON | 41,429 | 94 km |
| 2022 | WASHITA RIVER FIRE | 35,421 | 94 km |
| 2009 | CHESTER | 34,432 | 83 km |
| 2012 | TOWNLEY ROAD | 24,139 | 91 km |
| 2006 | SWEETWATER DOBSON | 23,045 | 85 km |
| 1996 | WESTSIDE | 16,723 | 90 km |
| 2008 | UNNAMED | 16,290 | 77 km |
| 2024 | RUSH | 12,239 | 97 km |
| 2022 | 62 FIRE | 9,804 | 95 km |
| 2022 | 720 FIRE | 8,761 | 68 km |
| 2018 | SHAW | 8,581 | 89 km |
| 1994 | MT SCOTT | 8,005 | 100 km |
| 2014 | CAMARGO | 7,494 | 49 km |
| 2008 | UNNAMED | 6,464 | 67 km |
| 2022 | 115 / MEERS | 6,136 | 91 km |
| 2023 | RX MARCY RUSH | 5,998 | 99 km |
| 2004 | TARBONE COMPLEX | 5,929 | 95 km |
| 1988 | UNNAMED | 5,709 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 0.8 in | Coldest, Driest |
| February | 41°F (5°C) | 1.1 in | |
| March | 50°F (10°C) | 2.0 in | |
| April | 59°F (15°C) | 2.2 in | |
| May | 68°F (20°C) | 4.6 in | Wettest |
| June | 77°F (25°C) | 3.8 in | |
| July | 83°F (28°C) | 2.1 in | Warmest |
| August | 81°F (27°C) | 2.7 in | |
| September | 73°F (23°C) | 3.2 in | |
| October | 61°F (16°C) | 2.5 in | |
| November | 48°F (9°C) | 1.7 in | |
| December | 38°F (3°C) | 1.0 in |
Arapaho has a seasonal temperature swing of 45°F / from 38°F in January to 83°F in July. Total annual precipitation is 27.6 inches, with May being the wettest month (4.6") and January the driest (0.8").