Weather & Climate in Dean, TX

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

Dean enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 42°F in January while summers reach 85°F in July. The area gets 328 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 27.9 inches (drier than the 38-inch national average). The area receives 3.1 inches of snow annually. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 991 feet.

Temperature

42°F Jan (6°C) 85°F Jul (29°C)

Annual Average	63.7°F
	18% above US avg
January Average	42°F (6°C)
July Average	85°F (29°C)
Sunny Days	328 days/yr

Geography

Elevation	991 ft (302 m)
Area	2.1 sq mi (5.5 km²)
Population Density	220/sq mi
Coordinates	33.9162°N, 98.4015°W
Timezone	America/Chicago
County	Clay County County
Nearest Airport	Frederick Regional (FDR) 45 miles away

Precipitation & Snow

Annual Rainfall 27.9"

27% below US avg

Snowfall 3.1"

Wettest Month (May) 4.17"

Driest Month (Jan) 1.18"

Air Quality

AQI Median	42.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	14.3 / 100
Social Vulnerability	43.3 / 100
Community Resilience	57.0 / 100

Hazard Breakdown

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

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

Earthquake History

202 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	121 km	5 km
Apr 28, 1998	9 km NE of Medicine Park, Oklahoma	M3.9	96 km	5 km
Nov 15, 1990	5 km SSE of Erin Springs, Oklahoma	M3.9	120 km	5 km
Feb 8, 2002	8 km SW of Elgin, Oklahoma	M3.8	90 km	5 km
Nov 28, 2013	6 km SSW of Perrin, Texas	M3.7	109 km	5 km
Dec 9, 2013	8 km S of Perrin, Texas	M3.7	111 km	5 km
Sep 25, 2023	9 km WNW of Velma, Oklahoma	M3.7	85 km	20 km
Dec 17, 1992	7 km SSE of Erin Springs, Oklahoma	M3.6	119 km	5 km
Dec 8, 2013	0 km NNE of Sanctuary, Texas	M3.6	135 km	5 km
Nov 20, 2013	1 km NNW of Azle, Texas	M3.6	137 km	5 km
Apr 28, 2013	4 km NNW of Oakland, Oklahoma	M3.5	149 km	5 km
Jun 8, 2004	6 km N of Lone Grove, Oklahoma	M3.5	111 km	5 km
Apr 19, 2021	8 km SW of Dibble, Oklahoma	M3.5	134 km	11 km
Jul 8, 2016	3 km NE of Dibble, Oklahoma	M3.4	147 km	6 km
Sep 23, 2013	4 km WNW of Marietta, Oklahoma	M3.4	115 km	5 km
Jan 28, 2009	0 km ENE of Amber, Oklahoma	M3.4	147 km	5 km
Nov 25, 2013	3 km WNW of Sanctuary, Texas	M3.4	133 km	5 km
Mar 6, 2020	8 km NE of Alex, Oklahoma	M3.4	133 km	10 km
Jun 3, 2021	7 km SW of Dibble, Oklahoma	M3.3	135 km	12 km
May 31, 2002	15 km S of Cornish, Oklahoma	M3.3	73 km	5 km

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

Tornado History

630 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 107 fatalities, 2,495 injuries.

Date	Rating	Distance	Path	Fatalities
Apr 3, 1964	EF5	9 km	4.7 mi	7
Nov 7, 2011	EF4	88 km	17.4 mi	0
Feb 10, 2009	EF4	72 km	37.0 mi	8
Apr 2, 1980	EF4	80 km	8.4 mi	0
Apr 10, 1979	EF4	76 km	39.7 mi	11
Apr 10, 1979	EF4	25 km	46.9 mi	42
Apr 19, 1972	EF4	94 km	28.2 mi	5
May 26, 1962	EF4	26 km	10.1 mi	0
May 24, 1957	EF4	40 km	21.6 mi	4
May 18, 1951	EF4	64 km	2.0 mi	2
Nov 3, 2024	EF3	58 km	21.7 mi	0
May 25, 2024	EF3	75 km	47.3 mi	7
Mar 21, 2022	EF3	97 km	34.5 mi	0
Apr 30, 2000	EF3	70 km	13.0 mi	0
May 7, 1995	EF3	92 km	26.0 mi	2
May 7, 1995	EF3	91 km	34.1 mi	3
May 29, 1994	EF3	76 km	7.0 mi	0
Mar 13, 1990	EF3	72 km	22.0 mi	0
May 14, 1986	EF3	51 km	20.0 mi	0
Apr 21, 1985	EF3	94 km	4.5 mi	3

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: LOCO-HEALDTON (56,584 acres, 2009).

Year	Name	Acres Burned	Distance
2009	LOCO-HEALDTON	56,584	99 km
2011	FERGUSON	41,429	98 km
2022	COCONUT	27,963	87 km
2009	MONTAGUE COUNTY COMPLEX	25,907	55 km
2009	APRIL 9TH COMPLEX 1	22,099	92 km
2009	TWO MILE HILL COMPLEX	20,991	24 km
2006	RINGGOLD	16,382	51 km
2008	ARCHER CO	13,969	54 km
2009	APRIL 9TH COMPLEX 2	13,805	62 km
1996	HENRIETTA FIRE	13,629	41 km
2024	RUSH	12,239	95 km
2011	WICHITA COUNTY COMPLEX	12,118	33 km
2008	UNNAMED	10,392	85 km
2022	62 FIRE	9,804	100 km
1993	CRATER CREEK	8,963	89 km
2000	CRATERLK-L	8,876	87 km
1994	MT SCOTT	8,005	93 km
2000	UNNAMED	7,962	88 km
2023	CAMPBELL	7,888	59 km
2006	BIA EMPIRE	7,544	71 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	42°F (6°C)	1.2 in	Coldest, Driest
February	46°F (8°C)	1.6 in
March	54°F (12°C)	2.2 in
April	63°F (17°C)	2.8 in
May	71°F (22°C)	4.2 in	Wettest
June	80°F (26°C)	3.5 in
July	85°F (29°C)	1.8 in	Warmest
August	83°F (29°C)	2.4 in
September	76°F (24°C)	4.0 in
October	65°F (18°C)	2.9 in
November	52°F (11°C)	1.6 in
December	44°F (6°C)	1.5 in

Dean has a seasonal temperature swing of 42°F / from 42°F in January to 85°F in July. Total annual precipitation is 29.6 inches, with May being the wettest month (4.2") and January the driest (1.2").

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