Weather & Climate in Hammon, OK

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

Hammon enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 36°F in January while summers reach 81°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 27.6 inches (drier than the 38-inch national average). The area receives 7.1 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 1,742 feet.

Temperature

36°F Jan (2°C) 81°F Jul (27°C)

Annual Average	58.6°F
	9% above US avg
January Average	36°F (2°C)
July Average	81°F (27°C)
Sunny Days	326 days/yr

Geography

Elevation	1,742 ft (531 m)
Area	0.7 sq mi (1.9 km²)
Population Density	615/sq mi
Coordinates	35.6323°N, 99.3832°W
Timezone	America/Chicago
County	Roger Mills County County
Nearest Airport	Elk City Regional Business (ELK) 14 miles away

Precipitation & Snow

Annual Rainfall 27.6"

27% below US avg

Snowfall 7.1"

Wettest Month (May) 4.37"

Driest Month (Jan) 0.63"

Air Quality

AQI Median	45.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	23.2 / 100
Social Vulnerability	95.6 / 100
Community Resilience	17.5 / 100

Hazard Breakdown

Tornado	Relatively Low
Hurricane	Very Low
Earthquake	Very Low
Wildfire	Relatively Moderate
Flood	Very Low
Hail	Relatively Low
Strong Wind	Relatively Moderate
Heat Wave	Very Low
Winter Weather	Relatively Low
Lightning	Very Low
Ice Storm	Relatively Moderate
Drought	Relatively High
Cold Wave	Relatively Low
Landslide	Relatively Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

1,399 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	113 km	8 km
Jan 7, 2016	16 km SE of Waynoka, Oklahoma	M4.7	113 km	4 km
Jul 9, 2016	17 km SE of Waynoka, Oklahoma	M4.4	108 km	7 km
Jan 7, 2016	17 km SE of Waynoka, Oklahoma	M4.4	110 km	7 km
Jan 7, 2016	16 km SE of Waynoka, Oklahoma	M4.4	111 km	7 km
Apr 14, 2021	34 km NNE of Skellytown, Texas	M4.3	149 km	8 km
Jul 8, 2016	17 km SE of Waynoka, OK	M4.2	110 km	6 km
Jul 8, 2016	17 km SE of Waynoka, Oklahoma	M4.2	110 km	7 km
May 13, 2017	17 km SE of Waynoka, Oklahoma	M4.2	111 km	5 km
Jan 18, 2016	Oklahoma	M4.1	113 km	8 km
May 25, 2021	3 km WNW of Shattuck, Oklahoma	M4.1	87 km	8 km
Feb 13, 2016	16 km SE of Waynoka, Oklahoma	M4.0	111 km	5 km
Jan 6, 2016	16 km SE of Waynoka, Oklahoma	M4.0	112 km	9 km
Jul 25, 2019	13 km W of Kingfisher, Oklahoma	M3.9	120 km	6 km
Mar 3, 2016	17 km SE of Waynoka, Oklahoma	M3.9	108 km	8 km
Jun 8, 2015	19 km W of Cleo Springs, Oklahoma	M3.9	107 km	4 km
Jan 7, 2016	16 km SE of Waynoka, Oklahoma	M3.9	110 km	9 km
Apr 28, 1998	9 km NE of Medicine Park, Oklahoma	M3.9	129 km	5 km
Mar 2, 2016	17 km SE of Waynoka, Oklahoma	M3.9	110 km	7 km
Sep 16, 2016	17 km SE of Waynoka, Oklahoma	M3.9	108 km	8 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

650 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 17 fatalities, 129 injuries.

Date	Rating	Distance	Path	Fatalities
Jun 8, 1995	EF4	77 km	15.0 mi	0
May 22, 1981	EF4	98 km	16.7 mi	0
Jun 10, 1967	EF4	4 km	8.7 mi	4
May 25, 1962	EF4	44 km	7.2 mi	0
Apr 14, 2012	EF3	65 km	34.0 mi	6
May 24, 2011	EF3	82 km	13.2 mi	1
May 24, 2011	EF3	91 km	8.6 mi	0
May 5, 2007	EF3	52 km	7.7 mi	0
Apr 17, 2002	EF3	59 km	8.0 mi	0
Oct 9, 2001	EF3	52 km	6.0 mi	0
Oct 9, 2001	EF3	23 km	11.5 mi	0
Oct 9, 2001	EF3	77 km	13.0 mi	0
May 3, 1999	EF3	100 km	21.0 mi	0
May 26, 1991	EF3	89 km	12.5 mi	0
May 26, 1990	EF3	97 km	3.0 mi	0
May 7, 1986	EF3	99 km	7.0 mi	0
Oct 31, 1984	EF3	74 km	20.0 mi	0
May 11, 1982	EF3	75 km	7.0 mi	0
May 22, 1981	EF3	36 km	10.3 mi	0
May 16, 1977	EF3	53 km	6.5 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: PERRYTON (290,211 acres, 2017).

Year	Name	Acres Burned	Distance
2017	PERRYTON	290,211	97 km
2018	RHEA	277,949	54 km
2024	CATESBY FIRE	83,975	92 km
2009	PUTNAM	42,995	54 km
2022	CANADIAN RIVER BOTTOM	37,663	93 km
2022	WASHITA RIVER FIRE	35,421	56 km
2009	CHESTER	34,432	91 km
2014	HIGGINS	28,466	70 km
2006	SWEETWATER DOBSON	23,045	47 km
2018	MILLIRON	20,437	98 km
2009	MAGIC CITY	18,922	91 km
2008	UNNAMED	16,290	45 km
2016	I40	14,780	98 km
2018	CARBON	12,143	78 km
1997	CANADIAN FIRE	9,774	94 km
2022	720 FIRE	8,761	96 km
2018	SHAW	8,581	51 km
2014	HIGGINS 2	8,280	86 km
2022	BRITT	8,275	66 km
2019	GAGE FIRE	7,883	92 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	36°F (2°C)	0.6 in	Coldest, Driest
February	41°F (5°C)	0.9 in
March	49°F (10°C)	2.1 in
April	59°F (15°C)	2.2 in
May	68°F (20°C)	4.4 in	Wettest
June	77°F (25°C)	3.5 in
July	81°F (27°C)	2.0 in	Warmest
August	81°F (27°C)	2.7 in
September	73°F (23°C)	3.0 in
October	61°F (16°C)	2.1 in
November	47°F (9°C)	1.5 in
December	38°F (3°C)	0.9 in

Hammon has a seasonal temperature swing of 45°F / from 36°F in January to 81°F in July. Total annual precipitation is 26.1 inches, with May being the wettest month (4.4") and January the driest (0.6").

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