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Weather & Climate in Sentinel, OK

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Sentinel enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 38°F in January while summers reach 83°F in July. The area gets 326 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 23.9 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 1,664 feet.

Temperature

38°F Jan (3°C) 83°F Jul (28°C)
Annual Average60.0°F
11% above US avg
January Average38°F (3°C)
July Average83°F (28°C)
Sunny Days326 days/yr

Geography

Elevation1,664 ft (507 m)
Area0.6 sq mi (1.6 km²)
Population Density1,500/sq mi
Coordinates35.1570°N, 99.1735°W
TimezoneAmerica/Chicago
CountyBeckham County County
Nearest AirportHobart Regional (HBR)
13 miles away

Precipitation & Snow

Annual Rainfall 23.9"
37% below US avg
Wettest Month (May) 4.53"
Driest Month (Jan) 0.79"

Air Quality

AQI Median45.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score57.8 / 100
Social Vulnerability88.1 / 100
Community Resilience20.7 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Very Low
Wildfire Relatively Moderate
Flood Very Low
Hail Relatively Moderate
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Relatively High
Lightning Relatively Low
Ice Storm Very High
Drought Relatively High
Cold Wave Relatively Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

563 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.

Jan 18, 1995 4 km SSE of Erin Springs, Oklahoma M4.2 150 km 5 km
Jan 18, 2016 Oklahoma M4.1 142 km 8 km
May 25, 2021 3 km WNW of Shattuck, Oklahoma M4.1 142 km 8 km
Jul 25, 2019 13 km W of Kingfisher, Oklahoma M3.9 125 km 6 km
Mar 3, 2016 17 km SE of Waynoka, Oklahoma M3.9 150 km 8 km
Sep 16, 2016 17 km SE of Waynoka, Oklahoma M3.9 150 km 8 km
Jun 8, 2015 19 km W of Cleo Springs, Oklahoma M3.9 145 km 4 km
Apr 28, 1998 9 km NE of Medicine Park, Oklahoma M3.9 81 km 5 km
Sep 21, 2015 4 km W of Fairview, Oklahoma M3.8 136 km 6 km
Feb 8, 2002 8 km SW of Elgin, Oklahoma M3.8 88 km 5 km
Sep 14, 2016 17 km SE of Waynoka, Oklahoma M3.7 148 km 8 km
Sep 16, 2015 9 km ENE of Quinlan, Oklahoma M3.7 149 km 11 km
Mar 2, 2016 17 km SE of Waynoka, Oklahoma M3.7 150 km 7 km
Sep 13, 2016 3 km SE of Fairview, Oklahoma M3.7 138 km 6 km
Nov 1, 2017 4 km N of Dover, Oklahoma M3.7 150 km 6 km
Feb 14, 2016 17 km SE of Waynoka, Oklahoma M3.7 149 km 6 km
Sep 25, 2023 9 km WNW of Velma, Oklahoma M3.7 148 km 20 km
Mar 9, 2018 17 km SE of Waynoka, Oklahoma M3.6 149 km 7 km
May 12, 2017 16 km SSE of Waynoka, Oklahoma M3.6 149 km 6 km
Sep 15, 2015 11 km ENE of Quinlan, Oklahoma M3.6 149 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

746 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 28 fatalities, 575 injuries.

Date Rating Distance Path Fatalities
May 24, 2011 EF5 87 km 63.1 mi 9
Nov 7, 2011 EF4 92 km 17.4 mi 0
May 22, 1981 EF4 75 km 16.7 mi 0
Apr 17, 1976 EF4 67 km 32.9 mi 0
Jun 10, 1967 EF4 53 km 8.7 mi 4
May 25, 1962 EF4 13 km 7.2 mi 0
May 25, 1955 EF4 97 km 45.1 mi 2
May 16, 2015 EF3 92 km 40.4 mi 0
May 24, 2011 EF3 70 km 8.6 mi 0
May 5, 2007 EF3 68 km 7.7 mi 0
Oct 9, 2001 EF3 28 km 13.0 mi 0
Oct 9, 2001 EF3 36 km 11.5 mi 0
Oct 9, 2001 EF3 21 km 6.0 mi 0
May 3, 1999 EF3 98 km 9.0 mi 0
May 3, 1999 EF3 98 km 21.0 mi 0
May 3, 1999 EF3 84 km 6.0 mi 0
May 15, 1991 EF3 98 km 15.0 mi 0
May 26, 1990 EF3 84 km 3.0 mi 0
May 11, 1982 EF3 61 km 4.0 mi 0
May 11, 1982 EF3 52 km 10.0 mi 2
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 95 km
2009 PUTNAM 42,995 92 km
2011 FERGUSON 41,429 62 km
2012 TOWNLEY ROAD 24,139 55 km
2006 SWEETWATER DOBSON 23,045 79 km
2018 MILLIRON 20,437 81 km
1996 WESTSIDE 16,723 55 km
2024 RUSH 12,239 67 km
2018 CARBON 12,143 82 km
2008 UNNAMED 10,392 81 km
2022 62 FIRE 9,804 55 km
1993 CRATER CREEK 8,963 75 km
2000 CRATERLK-L 8,876 75 km
2018 SHAW 8,581 98 km
2022 BRITT 8,275 87 km
1994 MT SCOTT 8,005 73 km
2000 UNNAMED 7,962 81 km
2014 CAMARGO 7,494 92 km
2015 CRATER CREEK 7,378 75 km
2008 UNNAMED 6,464 100 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 42°F (6°C) 1.1 in
March 51°F (10°C) 1.7 in
April 60°F (15°C) 2.2 in
May 69°F (20°C) 4.5 in Wettest
June 78°F (25°C) 3.7 in
July 83°F (28°C) 2.2 in Warmest
August 82°F (28°C) 2.8 in
September 74°F (23°C) 3.5 in
October 62°F (17°C) 2.6 in
November 49°F (9°C) 1.5 in
December 40°F (4°C) 1.1 in

Sentinel 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 (4.5") and January the driest (0.8").

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