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Weather & Climate in Ratamosa, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ratamosa has a warm climate with an average annual temperature of 75°F (24°C). Winters average 60°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 24.6 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 54 feet.
Temperature
60°F Jan (16°C)
86°F Jul (30°C)
| Annual Average | 74.7°F |
| 38% above US avg | |
| January Average | 60°F (16°C) |
| July Average | 86°F (30°C) |
| Sunny Days | 312 days/yr |
Geography
| Elevation | 54 ft (16 m) |
| Area | 2.0 sq mi (5.2 km²) |
| Population Density | 163/sq mi |
| Coordinates | 26.1993°N, 97.8446°W |
| Timezone | America/Chicago |
| County | Cameron County County |
| Nearest Airport | Valley International (HRL) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.3 / 100 |
| Social Vulnerability | 91.7 / 100 |
| Community Resilience | 6.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very High |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Very High |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Hurricane History
13 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Beryl | Category 1 | 92 mph | 263 km |
| 2021 | Nicholas | Category 1 | 75 mph | 258 km |
| 2020 | Hanna | Category 1 | 92 mph | 47 km |
| 2017 | Harvey | Category 4 | 132 mph | 182 km |
| 2010 | Alex | Category 2 | 109 mph | 218 km |
| 2008 | Dolly | Category 2 | 98 mph | 34 km |
| 2005 | Emily | Category 3 | 127 mph | 147 km |
| 2003 | Claudette | Category 1 | 92 mph | 283 km |
| 2003 | Erika | Category 1 | 75 mph | 110 km |
| 1999 | Bret | Category 4 | 144 mph | 79 km |
| 1988 | Gilbert | Category 4 | 132 mph | 202 km |
| 1983 | Barry | Category 1 | 81 mph | 95 km |
| 1980 | Allen | Category 5 | 161 mph | 33 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
131 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 39 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 15, 1983 | EF3 | 50 km | 6.1 mi | 0 |
| May 12, 1969 | EF3 | 27 km | 0.1 mi | 0 |
| May 12, 1969 | EF3 | 17 km | 0.1 mi | 0 |
| Apr 19, 1965 | EF3 | 74 km | 1.5 mi | 0 |
| May 5, 1991 | EF2 | 73 km | 1.0 mi | 0 |
| Aug 9, 1980 | EF2 | 39 km | 4.6 mi | 0 |
| May 24, 1970 | EF2 | 34 km | 25.5 mi | 0 |
| May 12, 1969 | EF2 | 51 km | 0.1 mi | 0 |
| Apr 26, 1967 | EF2 | 62 km | 40.2 mi | 0 |
| Jun 1, 1962 | EF2 | 31 km | 1.0 mi | 0 |
| Jan 26, 1950 | EF2 | 81 km | 4.7 mi | 0 |
| May 13, 2023 | EF1 | 60 km | 0.5 mi | 1 |
| Oct 30, 2015 | EF1 | 25 km | 0.7 mi | 0 |
| Jun 30, 2011 | EF1 | 36 km | 0.4 mi | 0 |
| Jul 16, 2007 | EF1 | 39 km | 1.0 mi | 0 |
| Apr 30, 2003 | EF1 | 61 km | 0.3 mi | 0 |
| May 21, 2001 | EF1 | 48 km | 0.2 mi | 0 |
| May 21, 2001 | EF1 | 49 km | 0.1 mi | 0 |
| Apr 4, 1997 | EF1 | 45 km | 0.5 mi | 0 |
| Jun 14, 1994 | EF1 | 64 km | 0.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
19 wildfires (100+ acres) recorded within 100 km. Largest: BURNS RANCH FIRE (58,395 acres, 2008).
| Year | Name | Acres Burned | Distance |
| 2008 | BURNS RANCH FIRE | 58,395 | 68 km |
| 2022 | HAYFIELD SOUTH | 11,038 | 63 km |
| 2021 | KING | 9,793 | 81 km |
| 2022 | VIB | 7,817 | 83 km |
| 2018 | TRUST | 6,648 | 100 km |
| 2022 | POLO | 5,571 | 70 km |
| 2008 | ENCINO | 3,979 | 81 km |
| 2011 | KING RANCH | 3,075 | 60 km |
| 2009 | SAN CARLOS | 2,849 | 77 km |
| 2010 | ENCINITOS RANCH | 1,967 | 81 km |
| 2022 | 755 | 1,846 | 85 km |
| 2011 | ENCINITOS | 1,748 | 81 km |
| 2022 | DEER | 1,657 | 90 km |
| 2009 | STILLMAN | 1,466 | 53 km |
| 2024 | MILE MARKER 32 | 1,426 | 98 km |
| 2023 | ELECTRIC SLIDE | 1,410 | 86 km |
| 2008 | SAN RAFAEL RANCH | 1,407 | 97 km |
| 2008 | 281 | 1,308 | 85 km |
| 2022 | LA PALOMA | 1,214 | 77 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 60°F (16°C) | 1.5 in | Coldest |
| February | 62°F (17°C) | 1.5 in | |
| March | 69°F (21°C) | 0.7 in | Driest |
| April | 75°F (24°C) | 1.4 in | |
| May | 79°F (26°C) | 3.0 in | |
| June | 83°F (28°C) | 2.9 in | |
| July | 86°F (30°C) | 2.1 in | Warmest |
| August | 85°F (29°C) | 2.5 in | |
| September | 82°F (28°C) | 5.0 in | Wettest |
| October | 75°F (24°C) | 2.3 in | |
| November | 67°F (20°C) | 1.3 in | |
| December | 61°F (16°C) | 1.3 in |
Ratamosa has a seasonal temperature swing of 26°F / from 60°F in January to 86°F in July. Total annual precipitation is 25.4 inches, with September being the wettest month (5.0") and March the driest (0.7").