Weather & Climate in Greenfield, OK

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

Greenfield enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 38°F in January while summers reach 82°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. The area receives 4.7 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 1,457 feet.

Temperature

38°F Jan (3°C) 82°F Jul (28°C)

Annual Average	59.5°F
	10% above US avg
January Average	38°F (3°C)
July Average	82°F (28°C)
Sunny Days	320 days/yr

Geography

Elevation	1,457 ft (444 m)
Area	0.1 sq mi (0.3 km²)
Population Density	1,064/sq mi
Coordinates	35.7291°N, 98.3775°W
Timezone	America/Chicago
County	Blaine County County
Nearest Airport	Clinton Regional (CLK) 34 miles away

Precipitation & Snow

Annual Rainfall 31.0"

18% below US avg

Snowfall 4.7"

Wettest Month (May) 4.61"

Driest Month (Jan) 0.79"

Air Quality

AQI Median	45.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	32.4 / 100
Social Vulnerability	49.7 / 100
Community Resilience	32.5 / 100

Hazard Breakdown

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

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

Earthquake History

6,228 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	90 km	8 km
Feb 3, 2024	8 km NW of Prague, Oklahoma	M5.1	147 km	3 km
Jan 7, 2016	16 km SE of Waynoka, Oklahoma	M4.7	91 km	4 km
Apr 7, 2018	5 km WNW of Lucien, Oklahoma	M4.6	99 km	6 km
Apr 9, 2018	8 km NNE of Marshall, Oklahoma	M4.6	91 km	5 km
Jan 31, 2022	7 km NW of Medford, Oklahoma	M4.5	135 km	8 km
Jul 27, 2015	4 km NNE of Crescent, Oklahoma	M4.5	78 km	5 km
Dec 7, 2013	8 km SW of Arcadia, Oklahoma	M4.5	91 km	8 km
May 17, 2019	8 km E of Pond Creek, Oklahoma	M4.4	121 km	5 km
Jun 9, 2018	8 km E of Nescatunga, Oklahoma	M4.4	119 km	10 km
Jan 7, 2016	17 km SE of Waynoka, Oklahoma	M4.4	89 km	7 km
Jan 7, 2016	16 km SE of Waynoka, Oklahoma	M4.4	90 km	7 km
Jul 9, 2016	17 km SE of Waynoka, Oklahoma	M4.4	89 km	7 km
Aug 19, 2014	12 km SSW of Guthrie, Oklahoma	M4.4	82 km	5 km
Apr 16, 2013	Oklahoma	M4.4	116 km	6 km
Jul 20, 2015	7 km SSE of Byron, Oklahoma	M4.4	124 km	4 km
Jul 29, 2014	9 km E of Nescatunga, Oklahoma	M4.3	118 km	5 km
Jun 16, 2014	7 km NNE of Lake Aluma, Oklahoma	M4.3	90 km	5 km
Jun 17, 2015	6 km ESE of Covington, Oklahoma	M4.3	99 km	6 km
Sep 8, 2017	9 km ESE of Jefferson, Oklahoma	M4.3	125 km	6 km

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

Tornado History

905 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 104 fatalities, 1,809 injuries.

Date	Rating	Distance	Path	Fatalities
May 20, 2013	EF5	84 km	13.9 mi	24
May 24, 2011	EF5	33 km	63.1 mi	9
May 3, 1999	EF5	82 km	37.0 mi	36
May 24, 2011	EF4	89 km	33.3 mi	1
May 10, 2010	EF4	93 km	24.0 mi	2
May 8, 2003	EF4	89 km	17.3 mi	0
May 3, 1999	EF4	65 km	35.0 mi	2
May 3, 1999	EF4	45 km	15.0 mi	1
May 22, 1981	EF4	46 km	16.7 mi	0
May 2, 1979	EF4	80 km	20.6 mi	1
Apr 30, 1978	EF4	59 km	9.3 mi	0
Apr 17, 1976	EF4	95 km	32.9 mi	0
May 24, 1973	EF4	52 km	13.3 mi	2
Jun 10, 1967	EF4	13 km	0.1 mi	0
Jun 10, 1967	EF4	92 km	8.7 mi	4
Mar 16, 1965	EF4	100 km	82.7 mi	0
May 25, 1962	EF4	90 km	7.2 mi	0
May 1, 1954	EF4	98 km	59.2 mi	0
Nov 3, 2024	EF3	94 km	2.4 mi	0
Apr 19, 2023	EF3	99 km	10.9 mi	1

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	64 km
2009	PUTNAM	42,995	57 km
2009	CHESTER	34,432	77 km
2022	720 FIRE	8,761	33 km
2014	CAMARGO	7,494	78 km
2012	NINNEKAH	5,438	100 km
2009	CLEO	5,063	78 km
2020	YOLO RANCH FIRE	4,173	67 km
2022	58 FIRE	4,148	94 km
2005	KIMBALL RANCH	4,103	98 km
2014	GUTHRIE	3,014	90 km
2008	UNNAMED	3,001	53 km
2006	STRONG	2,509	39 km
2006	CASHION COMPLEX	2,482	77 km
2008	UNNAMED	2,439	89 km
2011	63RD STREET	2,294	90 km
2023	SIMPSON FIRE	2,269	87 km
2022	CIMARRON FIRE	2,155	59 km
2008	UNNAMED	2,128	74 km
2014	270	2,088	64 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	49°F (10°C)	2.3 in
April	59°F (15°C)	2.6 in
May	68°F (20°C)	4.6 in	Wettest
June	77°F (25°C)	4.0 in
July	82°F (28°C)	2.1 in	Warmest
August	81°F (27°C)	2.5 in
September	73°F (23°C)	3.4 in
October	61°F (16°C)	2.5 in
November	48°F (9°C)	1.9 in
December	38°F (4°C)	1.2 in

Greenfield has a seasonal temperature swing of 44°F / from 38°F in January to 82°F in July. Total annual precipitation is 29.0 inches, with May being the wettest month (4.6") and January the driest (0.8").

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