All Countries
Weather & Climate in Chula Vista CDP (Maverick County), TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chula Vista CDP (Maverick County) enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 52°F in January while summers reach 86°F in July. The area gets 312 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 20.8 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 808 feet.
Temperature
52°F Jan (11°C)
86°F Jul (30°C)
| Annual Average | 70.2°F |
| 30% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 86°F (30°C) |
| Sunny Days | 312 days/yr |
Geography
| Elevation | 808 ft (246 m) |
| Area | 3.3 sq mi (8.6 km²) |
| Population Density | 1,476/sq mi |
| Coordinates | 28.6572°N, 100.4247°W |
| Timezone | America/Chicago |
| County | Maverick County County |
| Nearest Airport | Maverick County Memorial International (EGP) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 64.2 / 100 |
| Social Vulnerability | 96.0 / 100 |
| Community Resilience | 3.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
27 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Jul 24, 2025 | 18 km E of El Indio, Texas | M3.6 | 33 km | 1 km |
| Apr 3, 2005 | 11 km NE of Guerrero, Mexico | M3.5 | 32 km | 5 km |
| Feb 20, 2022 | 3 km S of El Indio, Texas | M3.4 | 23 km | 3 km |
| Jan 9, 2021 | 3 km WSW of El Indio, Texas | M3.3 | 19 km | 9 km |
| Feb 18, 2021 | 7 km SSE of El Indio, Texas | M3.3 | 27 km | 7 km |
| Jun 18, 2021 | 3 km SSW of El Indio, Texas | M3.1 | 22 km | 2 km |
| Feb 27, 2021 | 6 km WNW of El Indio, Texas | M3.0 | 15 km | 9 km |
| Mar 20, 2019 | 3 km E of Cotulla, Texas | M2.8 | 123 km | 5 km |
| Jul 30, 2025 | 15 km E of Pearsall, Texas | M2.7 | 147 km | 6 km |
| Apr 13, 2023 | 7 km ESE of El Indio, Texas | M2.7 | 26 km | 9 km |
| Aug 29, 2021 | 3 km SW of El Indio, Texas | M2.7 | 20 km | 7 km |
| Aug 18, 2021 | 2 km WSW of El Indio, Texas | M2.6 | 19 km | 8 km |
| May 8, 2021 | 16 km ENE of El Indio, Texas | M2.6 | 26 km | 8 km |
| May 7, 2024 | 16 km ENE of El Indio, Texas | M2.6 | 27 km | 3 km |
| Aug 17, 2023 | 4 km SSE of Pearsall, Texas | M2.6 | 133 km | 5 km |
| Jun 14, 2025 | 11 km E of Dilley, Texas | M2.6 | 133 km | 9 km |
| Jun 3, 2021 | 3 km E of Las Quintas Fronterizas, Texas | M2.6 | 4 km | 7 km |
| May 7, 2021 | 22 km SE of El Indio, Texas | M2.5 | 42 km | 4 km |
| May 7, 2024 | 19 km E of El Indio, Texas | M2.5 | 34 km | 2 km |
| Jun 7, 2025 | 17 km E of Pearsall, Texas | M2.5 | 149 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1999 | Bret | Category 3 | 115 mph | 287 km |
| 1980 | Allen | Category 2 | 98 mph | 163 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
59 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 7 fatalities, 31 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 16, 1989 | EF4 | 69 km | 17.0 mi | 0 |
| Apr 24, 2007 | EF3 | 2 km | 4.0 mi | 7 |
| Jun 26, 1970 | EF3 | 63 km | 3.8 mi | 0 |
| Mar 19, 2006 | EF2 | 93 km | 2.0 mi | 0 |
| May 10, 1995 | EF2 | 94 km | 0.5 mi | 0 |
| Sep 17, 1988 | EF2 | 92 km | 11.0 mi | 0 |
| May 12, 1982 | EF2 | 93 km | 5.0 mi | 0 |
| May 24, 1981 | EF2 | 33 km | 2.0 mi | 0 |
| May 19, 1975 | EF2 | 87 km | 0.1 mi | 0 |
| May 6, 1972 | EF2 | 35 km | 6.5 mi | 0 |
| Feb 25, 1971 | EF2 | 55 km | 2.0 mi | 0 |
| May 6, 1969 | EF2 | 6 km | 0.1 mi | 0 |
| May 23, 1966 | EF2 | 58 km | 16.0 mi | 0 |
| May 2, 1959 | EF2 | 95 km | 4.6 mi | 0 |
| Oct 18, 1956 | EF2 | 59 km | 1.0 mi | 0 |
| May 27, 2004 | EF1 | 100 km | 4.0 mi | 0 |
| Sep 15, 1996 | EF1 | 66 km | 0.5 mi | 0 |
| May 23, 1995 | EF1 | 92 km | 0.1 mi | 0 |
| May 10, 1995 | EF1 | 92 km | 0.1 mi | 0 |
| Oct 19, 1993 | EF1 | 90 km | 1.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: BURR (4,633 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | BURR | 4,633 | 45 km |
| 2008 | COMMANCHE RANCH | 4,488 | 36 km |
| 2008 | UNNAMED | 1,522 | 35 km |
| 2020 | MOODY | 1,070 | 86 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 0.7 in | Coldest |
| February | 57°F (14°C) | 0.9 in | |
| March | 65°F (18°C) | 0.6 in | Driest |
| April | 72°F (22°C) | 1.7 in | |
| May | 78°F (26°C) | 2.8 in | |
| June | 83°F (29°C) | 3.0 in | |
| July | 86°F (30°C) | 1.5 in | Warmest |
| August | 85°F (29°C) | 2.1 in | |
| September | 80°F (27°C) | 3.2 in | Wettest |
| October | 72°F (22°C) | 2.3 in | |
| November | 61°F (16°C) | 0.9 in | |
| December | 54°F (12°C) | 0.7 in |
Chula Vista CDP (Maverick County) has a seasonal temperature swing of 34°F / from 52°F in January to 86°F in July. Total annual precipitation is 20.4 inches, with September being the wettest month (3.2") and March the driest (0.6").