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Weather & Climate in Pomposo Castellanos, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pomposo Castellanos has a warm climate with an average annual temperature of 76°F (24°C). Winters average 72°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 281 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 30.1 inches (drier than the 38-inch national average). The city sits at an elevation of 2,034 feet.
Temperature
72°F Jan (22°C)
78°F Jul (25°C)
| Annual Average | 75.6°F |
| 40% above US avg | |
| January Average | 72°F (22°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 281 days/yr |
Geography
| Elevation | 2,034 ft (620 m) |
| Area | 1,340.9 sq mi (3,472.9 km²) |
| Population Density | 1/sq mi |
| Coordinates | 16.5903°N, 93.8669°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
2,094 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Oct 21, 1995 | 13 km NW of Ocozocoautla de Espinosa, Mexico | M7.2 | 51 km | 159 km |
| Apr 7, 2011 | 7 km SW of Helio García Alfaro, Mexico | M6.6 | 85 km | 166 km |
| Feb 12, 2008 | 9 km SSW of General Pascual Fentes, Mexico | M6.5 | 53 km | 83 km |
| Jan 16, 2002 | 2 km SW of Las Brisas, Mexico | M6.4 | 144 km | 80 km |
| Nov 28, 2001 | 2 km ESE of El Carmen, Mexico | M6.4 | 140 km | 85 km |
| Dec 31, 1996 | 4 km SW of El Ramal (Porvenir), Mexico | M6.4 | 128 km | 100 km |
| Jun 7, 1998 | 2 km NNE of Cabeza de Toro, Mexico | M6.3 | 71 km | 87 km |
| Sep 23, 2017 | 7 km NNE of Ixtepec, Mexico | M6.1 | 129 km | 10 km |
| Jul 6, 2007 | 6 km N of Lázaro Cárdenas, Mexico | M6.1 | 30 km | 113 km |
| Aug 18, 2004 | 8 km E of Juchitán de Zaragoza, Mexico | M5.9 | 116 km | 63 km |
| Jan 5, 2020 | 3 km W of Reforma de Pineda, Mexico | M5.9 | 70 km | 87 km |
| Aug 9, 2023 | 7 km NNE of Tonalá, Mexico | M5.8 | 51 km | 103 km |
| Sep 24, 2017 | 80 km SSW of Cabeza de Toro, Mexico | M5.8 | 146 km | 47 km |
| Sep 23, 2017 | 80 km SSW of La Gloria, Mexico | M5.8 | 136 km | 54 km |
| Feb 1, 2003 | 7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico | M5.8 | 105 km | 211 km |
| May 21, 2014 | 2 km SSW of Palomares, Mexico | M5.8 | 141 km | 120 km |
| May 5, 2025 | 5 km NNE of Nuevo León, Mexico | M5.8 | 140 km | 261 km |
| Aug 5, 2015 | 11 km ENE of Tonalá, Mexico | M5.7 | 55 km | 101 km |
| Mar 2, 2023 | Oaxaca, Mexico | M5.7 | 69 km | 96 km |
| May 20, 2017 | 21 km SE of La Horqueta (Poblado Doce), Mexico | M5.7 | 56 km | 144 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Agatha | Category 2 | 104 mph | 281 km |
| 2013 | Barbara | Category 1 | 81 mph | 44 km |
| 2005 | Stan | Category 1 | 81 mph | 249 km |
| 1998 | Lester | Category 2 | 98 mph | 267 km |
| 1997 | Pauline | Category 4 | 132 mph | 296 km |
| 1997 | Rick | Category 1 | 75 mph | 240 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 50.0 m (164 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2007 | JUAN DE GRIJALVA, CHIAPAS | Meteorological | 50.0 m | 19 | 87 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chichon, El (109 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chichon, El | Lava dome(s) | 1,150 m (3,773 ft) | 1982 | 109 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 72°F (22°C) | 0.6 in | Coldest |
| February | 73°F (23°C) | 0.6 in | |
| March | 76°F (24°C) | 0.8 in | |
| April | 78°F (26°C) | 0.5 in | Driest |
| May | 79°F (26°C) | 2.2 in | Warmest |
| June | 78°F (26°C) | 5.8 in | Wettest |
| July | 78°F (25°C) | 5.8 in | |
| August | 77°F (25°C) | 5.0 in | |
| September | 77°F (25°C) | 5.6 in | |
| October | 75°F (24°C) | 1.9 in | |
| November | 74°F (23°C) | 0.9 in | |
| December | 72°F (22°C) | 0.6 in |
Pomposo Castellanos has a seasonal temperature swing of 8°F / from 72°F in January to 79°F in May. Total annual precipitation is 30.1 inches, with June being the wettest month (5.8") and April the driest (0.5").