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Weather & Climate in Hollis, OK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hollis enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 40°F in January while summers reach 83°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 1,631 feet.
Temperature
40°F Jan (4°C)
83°F Jul (29°C)
| Annual Average | 61.6°F |
| 14% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 83°F (29°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 1,631 ft (497 m) |
| Area | 1.4 sq mi (3.7 km²) |
| Population Density | 1,123/sq mi |
| Coordinates | 34.6897°N, 99.9153°W |
| Timezone | America/Chicago |
| County | Harmon County County |
| Nearest Airport | Altus/Quartz Mountain Regional (AXS) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 10.2 / 100 |
| Social Vulnerability | 80.8 / 100 |
| Community Resilience | 3.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Apr 28, 1998 | 9 km NE of Medicine Park, Oklahoma | M3.9 | 137 km | 5 km |
| Feb 8, 2002 | 8 km SW of Elgin, Oklahoma | M3.8 | 142 km | 5 km |
| Aug 9, 2021 | 4 km N of Wheeler, Texas | M3.5 | 94 km | 7 km |
| Feb 15, 1997 | 14 km NE of Hedley, Texas | M3.2 | 68 km | 5 km |
| Feb 12, 1997 | 1 km N of Clarendon, Texas | M3.0 | 94 km | 5 km |
| Nov 23, 1996 | 17 km NNW of Quail, Texas | M3.0 | 66 km | 5 km |
| Apr 5, 1995 | 5 km NNE of Rocky, Oklahoma | M3.0 | 99 km | 5 km |
| Jun 15, 2007 | 3 km WSW of Pampa, Texas | M2.9 | 136 km | 5 km |
| May 14, 2013 | 8 km SE of Canadian, Texas | M2.9 | 135 km | 5 km |
| Dec 1, 1995 | 11 km NW of Lone Wolf, Oklahoma | M2.9 | 67 km | 5 km |
| Jul 6, 2019 | 12 km WNW of Leedey, Oklahoma | M2.9 | 142 km | 13 km |
| Apr 26, 2013 | 3 km SE of Wheeler, Texas | M2.8 | 87 km | 5 km |
| Aug 8, 2021 | 3 km N of Wheeler, Texas | M2.8 | 94 km | 8 km |
| Feb 19, 2011 | 10 km NW of Strong City, Oklahoma | M2.7 | 120 km | 5 km |
| Dec 15, 2012 | 11 km NW of Texola, Oklahoma | M2.7 | 70 km | 5 km |
| Apr 2, 2020 | 7 km NNE of Geronimo, Oklahoma | M2.6 | 145 km | 34 km |
| Jan 21, 2025 | 5 km NW of Pampa, Texas | M2.6 | 139 km | 6 km |
| Jan 13, 2019 | 3 km NE of Wheeler, Texas | M2.5 | 91 km | 5 km |
| Feb 7, 1990 | 6 km SE of Custer City, Oklahoma | M2.5 | 144 km | 5 km |
| Jan 16, 2022 | 8 km NW of Wheeler, Texas | M2.5 | 98 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
679 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 23 fatalities, 302 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 7, 2011 | EF4 | 75 km | 17.4 mi | 0 |
| Jun 8, 1995 | EF4 | 94 km | 15.0 mi | 0 |
| Jun 8, 1995 | EF4 | 88 km | 29.0 mi | 0 |
| Apr 10, 1979 | EF4 | 89 km | 39.7 mi | 11 |
| May 25, 1962 | EF4 | 92 km | 7.2 mi | 0 |
| May 25, 1955 | EF4 | 44 km | 45.1 mi | 2 |
| May 1, 1954 | EF4 | 81 km | 68.6 mi | 0 |
| May 4, 2022 | EF3 | 88 km | 23.1 mi | 0 |
| May 23, 2016 | EF3 | 85 km | 10.0 mi | 0 |
| May 16, 2015 | EF3 | 51 km | 40.4 mi | 0 |
| Apr 22, 2010 | EF3 | 80 km | 12.3 mi | 0 |
| May 5, 2007 | EF3 | 78 km | 7.7 mi | 0 |
| Mar 28, 2007 | EF3 | 91 km | 8.0 mi | 0 |
| Oct 9, 2001 | EF3 | 96 km | 11.5 mi | 0 |
| Jun 11, 1997 | EF3 | 86 km | 9.0 mi | 0 |
| May 15, 1991 | EF3 | 52 km | 15.0 mi | 0 |
| May 16, 1982 | EF3 | 97 km | 15.0 mi | 0 |
| May 11, 1982 | EF3 | 70 km | 7.0 mi | 0 |
| May 11, 1982 | EF3 | 74 km | 15.0 mi | 0 |
| May 11, 1982 | EF3 | 55 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: LEFORS EAST (68,701 acres, 2017).
| Year | Name | Acres Burned | Distance |
| 2017 | LEFORS EAST | 68,701 | 93 km |
| 2011 | BIRD RANCH 2 | 28,917 | 82 km |
| 1996 | TRIANGLE FIRE | 25,553 | 70 km |
| 2006 | BUCKLE L 2 | 25,179 | 47 km |
| 2006 | SWEETWATER DOBSON | 23,045 | 97 km |
| 2018 | MILLIRON | 20,437 | 26 km |
| 1996 | BUCKLE L FIRE | 20,089 | 47 km |
| 2009 | MAGIC CITY | 18,922 | 89 km |
| 2006 | HARDWICK | 15,289 | 89 km |
| 2016 | I40 | 14,780 | 74 km |
| 2001 | OREAR COMPLEX FIRE | 14,749 | 47 km |
| 1996 | NORTH MEMPHIS | 12,550 | 58 km |
| 1998 | PADUCAH FIRE | 12,404 | 83 km |
| 2018 | CARBON | 12,143 | 60 km |
| 2019 | VIVIAN | 11,825 | 66 km |
| 2022 | 62 FIRE | 9,804 | 95 km |
| 1995 | CR 359 FIRE | 9,324 | 57 km |
| 2019 | BIRD RANCH | 8,409 | 81 km |
| 2022 | BRITT | 8,275 | 85 km |
| 2011 | COPPER BREAKS | 7,918 | 61 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 0.6 in | Coldest, Driest |
| February | 43°F (6°C) | 1.0 in | |
| March | 52°F (11°C) | 1.4 in | |
| April | 61°F (16°C) | 1.9 in | |
| May | 70°F (21°C) | 3.6 in | Wettest |
| June | 78°F (26°C) | 3.6 in | |
| July | 83°F (29°C) | 1.6 in | Warmest |
| August | 81°F (27°C) | 2.4 in | |
| September | 74°F (23°C) | 3.1 in | |
| October | 63°F (17°C) | 2.3 in | |
| November | 49°F (10°C) | 1.1 in | |
| December | 41°F (5°C) | 0.8 in |
Hollis has a seasonal temperature swing of 43°F / from 40°F in January to 83°F in July. Total annual precipitation is 23.3 inches, with May being the wettest month (3.6") and January the driest (0.6").