Chula Vista CDP (Zavala County), TX

Full City Profile · Texas · Zavala County County

1.7 /5.0

D Poor

245 Population 462/sq mi density

$94,700 Home Value $83,565 Zillow

73°F Avg Temperature 324 sunny days/yr

13 Violent Crime/100K 3,325 property/100K

Overall

1.7 / 5.0

Below average overall score based on economy, affordability, safety and education

Safety

1.3 / 5.0

13 violent crimes/100K

Education

2.1 / 5.0

0.0% bachelor's degree or higher

Chula Vista CDP (Zavala County) has a warm climate with an average annual temperature of 73°F (23°C). Winters average 55°F in January while summers reach 86°F in July. The area gets 324 sunny days per year. Annual precipitation totals 19.5 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 42.

Temperature

55°F Jan (13°C) 86°F Jul (30°C)

Annual Average	72.7°F
	35% above US avg
January Average	55°F (13°C)
July Average	86°F (30°C)
Sunny Days	324 days/yr

Geography

Elevation	557 ft (170 m)
Area	0.2 sq mi (0.5 km²)
Population Density	462/sq mi
Coordinates	28.6595°N, 99.8043°W
Timezone	America/Chicago
County	Zavala County County
Nearest Airport	Maverick County Memorial International (EGP) 45 miles away

Precipitation & Snow

Annual Rainfall 19.5"

49% below US avg

Snowfall 0.0"

Wettest Month (May) 2.99"

Driest Month (Mar) 0.87"

Air Quality

AQI Median	42.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	53.6 / 100
Social Vulnerability	98.6 / 100
Community Resilience	4.5 / 100

Hazard Breakdown

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

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

Earthquake History

57 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.6. Most recent: M2.5 on Jul 30, 2025.

Jul 24, 2025	18 km E of El Indio, Texas	M3.6	35 km
Apr 3, 2005	11 km NE of Guerrero, Mexico	M3.5	57 km
Jun 24, 2012	16 km ESE of Tilden, Texas	M3.4	141 km
Feb 20, 2022	3 km S of El Indio, Texas	M3.4	54 km
Jan 9, 2021	3 km WSW of El Indio, Texas	M3.3	56 km
Feb 18, 2021	7 km SSE of El Indio, Texas	M3.3	52 km
Sep 10, 2014	7 km NNE of Charlotte, Texas	M3.2	114 km
Jun 1, 2018	2 km SW of Christine, Texas	M3.1	126 km
Jul 24, 2021	11 km NW of Tilden, Texas	M3.1	115 km
Jun 18, 2021	3 km SSW of El Indio, Texas	M3.1	55 km
Feb 27, 2021	6 km WNW of El Indio, Texas	M3.0	57 km
Jun 3, 2018	8 km E of Christine, Texas	M3.0	137 km
Jun 11, 2018	6 km E of Christine, Texas	M2.9	135 km
Sep 21, 2024	17 km NE of Tilden, Texas	M2.9	138 km
Apr 11, 2009	5 km SSE of Jourdanton, Texas	M2.8	127 km
Jul 14, 2025	17 km SW of Charlotte, Texas	M2.8	95 km
Jan 16, 2015	5 km NW of Jourdanton, Texas	M2.8	123 km
Mar 25, 2023	23 km NNW of Three Rivers, Texas	M2.8	150 km
Mar 20, 2019	3 km E of Cotulla, Texas	M2.8	64 km
Aug 10, 1992	4 km NNW of Pleasanton, Texas	M2.8	133 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

5 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Hanna (2020, Cat 1).

Year	Name	Category	Closest
2020	Hanna	Category 1	290 km
2017	Harvey	Category 4	244 km
2003	Claudette	Category 1	284 km
1999	Bret	Category 4	241 km
1980	Allen	Category 3	135 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tornado History

81 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 15 fatalities, 25 injuries.

Date	Rating	Distance	Fatalities
May 16, 1989	EF4	91 km	0
Apr 15, 1973	EF4	60 km	5
Apr 24, 2007	EF3	59 km	7
Apr 29, 1975	EF3	76 km	3
Jun 26, 1970	EF3	94 km	0
Mar 19, 2012	EF2	100 km	0
Mar 19, 2006	EF2	63 km	0
Apr 7, 2002	EF2	80 km	0
May 24, 1981	EF2	61 km	0
May 19, 1975	EF2	62 km	0
May 6, 1972	EF2	85 km	0
Feb 25, 1971	EF2	16 km	0
Aug 3, 1970	EF2	52 km	0
Aug 3, 1970	EF2	62 km	0
May 6, 1969	EF2	66 km	0
Nov 26, 1968	EF2	57 km	0
May 23, 1966	EF2	5 km	0
May 2, 1959	EF2	59 km	0
May 1, 1959	EF2	80 km	0
Oct 18, 1956	EF2	3 km	0

Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

8 wildfires (100+ acres) within 100 km. Largest: HIGHWAY 322 (44,652 ac, 2008).

Year	Name	Acres	Distance
2008	HIGHWAY 322	44,652	53 km
2008	COTULLA	8,419	60 km
2022	LOS ANGELES	6,287	90 km
2022	BURR	4,633	83 km
2008	COMMANCHE RANCH	4,488	29 km
2009	FARCO MINE	2,421	90 km
2008	UNNAMED	1,522	56 km
2018	MINE	1,224	90 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	55°F (13°C)	0.9 in
February	58°F (15°C)	1.1 in
March	66°F (19°C)	0.9 in	Driest
April	73°F (23°C)	1.9 in
May	79°F (26°C)	3.0 in	Wettest
June	84°F (29°C)	2.6 in
July	86°F (30°C)	1.2 in	Warmest
August	86°F (30°C)	2.4 in
September	81°F (27°C)	2.8 in
October	73°F (23°C)	2.7 in
November	63°F (17°C)	1.1 in
December	55°F (13°C)	0.9 in	Coldest

Chula Vista CDP (Zavala County) has a seasonal temperature swing of 31°F / from 55°F in December to 86°F in July. Total annual precipitation is 21.6 inches, with May being the wettest month (3.0") and March the driest (0.9").

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