Weather & Climate in Shamrock, OK

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

Shamrock enjoys a temperate climate with an average annual temperature of 60°F (16°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 38.0 inches. The area receives 4.1 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 996 feet.

Temperature

38°F Jan (3°C) 82°F Jul (28°C)

Annual Average	60.4°F
	12% above US avg
January Average	38°F (3°C)
July Average	82°F (28°C)
Sunny Days	320 days/yr

Geography

Elevation	996 ft (304 m)
Area	0.3 sq mi (0.9 km²)
Population Density	118/sq mi
Coordinates	35.9107°N, 96.5777°W
Timezone	America/Chicago
County	Creek County County
Nearest Airport	Stillwater Regional (SWO) 33 miles away

Precipitation & Snow

Annual Rainfall 38.0"

0% below US avg

Snowfall 4.1"

Wettest Month (May) 5.35"

Driest Month (Jan) 1.22"

Air Quality

AQI Median	45.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	83.2 / 100
Social Vulnerability	55.6 / 100
Community Resilience	41.4 / 100

Hazard Breakdown

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

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

Earthquake History

4,962 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.

Sep 3, 2016	14 km NW of Pawnee, Oklahoma	M5.8	65 km	6 km
Feb 3, 2024	8 km NW of Prague, Oklahoma	M5.1	45 km	3 km
Apr 9, 2018	8 km NNE of Marshall, Oklahoma	M4.6	96 km	5 km
Apr 7, 2018	5 km WNW of Lucien, Oklahoma	M4.6	94 km	6 km
Jul 27, 2015	4 km NNE of Crescent, Oklahoma	M4.5	90 km	5 km
Sep 6, 1997	6 km N of Tupelo, Oklahoma	M4.5	140 km	5 km
Dec 7, 2013	8 km SW of Arcadia, Oklahoma	M4.5	80 km	8 km
Apr 16, 2013	Oklahoma	M4.4	52 km	6 km
Aug 19, 2014	12 km SSW of Guthrie, Oklahoma	M4.4	82 km	5 km
May 17, 2019	8 km E of Pond Creek, Oklahoma	M4.4	132 km	5 km
Jun 16, 2014	7 km NNE of Lake Aluma, Oklahoma	M4.3	82 km	5 km
Jun 17, 2015	6 km ESE of Covington, Oklahoma	M4.3	95 km	6 km
Sep 8, 2017	9 km ESE of Jefferson, Oklahoma	M4.3	132 km	6 km
Jan 13, 2024	6 km W of Arcadia, Oklahoma	M4.3	79 km	7 km
Mar 5, 2018	5 km NNW of Breckinridge, Oklahoma	M4.2	123 km	8 km
Jun 21, 2020	9 km NW of Perry, Oklahoma	M4.2	86 km	8 km
Jul 17, 2016	5 km W of Lucien, Oklahoma	M4.2	94 km	5 km
Mar 4, 2018	4 km N of Breckinridge, Oklahoma	M4.2	122 km	8 km
Feb 5, 2021	5 km WNW of Lucien, Oklahoma	M4.2	94 km	7 km
Jan 26, 2015	5 km NNE of Medford, Oklahoma	M4.2	145 km	7 km

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

Tornado History

927 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 82 fatalities, 1,691 injuries.

Date	Rating	Distance	Path	Fatalities
May 5, 1960	EF5	77 km	71.8 mi	5
May 6, 2024	EF4	51 km	40.8 mi	2
May 19, 2013	EF4	98 km	23.0 mi	2
May 3, 1999	EF4	99 km	35.0 mi	2
Apr 24, 1993	EF4	72 km	5.5 mi	7
Apr 26, 1991	EF4	29 km	32.0 mi	1
Apr 26, 1991	EF4	98 km	4.0 mi	0
Apr 29, 1984	EF4	8 km	27.0 mi	1
Apr 26, 1984	EF4	19 km	22.0 mi	3
May 17, 1981	EF4	62 km	33.6 mi	0
Jun 8, 1974	EF4	8 km	29.0 mi	14
Oct 5, 1970	EF4	72 km	25.0 mi	4
May 1, 1954	EF4	91 km	59.2 mi	0
Apr 28, 1950	EF4	94 km	4.5 mi	5
Nov 3, 2024	EF3	83 km	25.1 mi	0
Nov 3, 2024	EF3	99 km	2.4 mi	0
May 25, 2024	EF3	85 km	23.9 mi	2
Apr 19, 2023	EF3	90 km	0.6 mi	0
May 6, 2015	EF3	99 km	2.0 mi	0
May 19, 2013	EF3	64 km	20.8 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: FREEDOM HILL (57,116 acres, 2012).

Year	Name	Acres Burned	Distance
2012	FREEDOM HILL	57,116	22 km
2014	UNNAMED	36,112	92 km
2018	DRUMB	30,422	67 km
2004	UNNAMED	27,091	99 km
2021	CANDY CREEK	23,167	86 km
2011	HOG TRAP	22,895	97 km
2009	BURNT TRUST	22,578	99 km
2014	RESERVE	19,016	67 km
2018	WEST 60	18,715	98 km
2023	HWY 123	14,980	96 km
2014	SPIDER	14,587	74 km
2004	UNNAMED	14,138	92 km
2014	UNNAMED	14,119	84 km
2016	PHAROAH	13,579	60 km
2023	NORTH DRUM	11,618	68 km
2023	ZINK	11,332	59 km
2017	MILSAP	10,879	53 km
2021	HUGHES	10,477	95 km
2011	GREYHORSE	10,411	64 km
2011	UNNAMED	10,205	27 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	38°F (3°C)	1.2 in	Coldest, Driest
February	42°F (5°C)	1.9 in
March	51°F (10°C)	3.0 in
April	60°F (16°C)	3.2 in
May	68°F (20°C)	5.4 in	Wettest
June	76°F (25°C)	4.1 in
July	82°F (28°C)	2.8 in	Warmest
August	81°F (27°C)	2.8 in
September	73°F (23°C)	4.5 in
October	62°F (17°C)	3.2 in
November	49°F (10°C)	2.8 in
December	40°F (4°C)	1.8 in

Shamrock has a seasonal temperature swing of 44°F / from 38°F in January to 82°F in July. Total annual precipitation is 36.4 inches, with May being the wettest month (5.4") and January the driest (1.2").

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