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Weather & Climate in San Antonio Poyono, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Antonio Poyono enjoys a temperate climate with an average annual temperature of 67°F (20°C). Winters average 63°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 348 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 30.9 inches. The city sits at an elevation of 5,033 feet.
Temperature
63°F Jan (17°C)
68°F Jul (20°C)
| Annual Average | 67.1°F |
| 24% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 348 days/yr |
Geography
| Elevation | 5,033 ft (1,534 m) |
| Area | 25.6 sq mi (66.3 km²) |
| Population Density | 20/sq mi |
| Coordinates | 17.2156°N, 93.2014°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
681 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 | 121 km | 166 km |
| Jul 6, 2007 | 6 km N of Lázaro Cárdenas, Mexico | M6.1 | 128 km | 113 km |
| May 5, 2025 | 5 km NNE of Nuevo León, Mexico | M5.8 | 103 km | 261 km |
| Feb 1, 2003 | 7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico | M5.8 | 81 km | 211 km |
| Aug 9, 2023 | 7 km NNE of Tonalá, Mexico | M5.8 | 131 km | 103 km |
| Aug 5, 2015 | 11 km ENE of Tonalá, Mexico | M5.7 | 129 km | 101 km |
| May 20, 2017 | 21 km SE of La Horqueta (Poblado Doce), Mexico | M5.7 | 96 km | 144 km |
| Mar 12, 1994 | 30 km NNE of Santo Domingo Zanatepec, Mexico | M5.6 | 125 km | 97 km |
| Sep 1, 2012 | 11 km N of Plan de Agua Prieta, Mexico | M5.5 | 119 km | 257 km |
| Aug 12, 2019 | 7 km NE of Cabeza de Toro, Mexico | M5.5 | 149 km | 93 km |
| Jan 30, 2019 | 37 km NE of La Horqueta (Poblado Doce), Mexico | M5.4 | 85 km | 172 km |
| Aug 5, 2024 | 17 km NW of Emiliano Zapata, Mexico | M5.4 | 89 km | 140 km |
| Jun 7, 2009 | 5 km SW of Emiliano Zapata, Mexico | M5.4 | 121 km | 140 km |
| May 23, 2016 | 9 km WSW of Emiliano Zapata, Mexico | M5.4 | 93 km | 124 km |
| Feb 8, 2002 | 7 km N of Dolores Jaltenango, Mexico | M5.4 | 147 km | 210 km |
| Jun 11, 2002 | 19 km N of Niños Héroes, Mexico | M5.3 | 147 km | 155 km |
| Dec 19, 2001 | 34 km WNW of Raudales Malpaso, Mexico | M5.3 | 73 km | 190 km |
| Aug 28, 2001 | 11 km E of Arriaga, Mexico | M5.3 | 128 km | 97 km |
| May 25, 2017 | 21 km SSE of La Horqueta (Poblado Doce), Mexico | M5.3 | 104 km | 140 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2013 | Barbara | Category 1 | 81 mph | 135 km |
| 2011 | Nate | Category 1 | 75 mph | 292 km |
| 2010 | Karl | Category 3 | 127 mph | 265 km |
| 2007 | Dean | Category 1 | 86 mph | 296 km |
| 2005 | Stan | Category 1 | 81 mph | 232 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 | 42 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chichon, El (16 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chichon, El | Lava dome(s) | 1,150 m (3,773 ft) | 1982 | 16 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 6.7 in | Coldest |
| February | 68°F (20°C) | 5.0 in | |
| March | 72°F (22°C) | 3.3 in | Driest |
| April | 75°F (24°C) | 3.4 in | |
| May | 77°F (25°C) | 5.4 in | Warmest |
| June | 76°F (24°C) | 11.3 in | |
| July | 68°F (20°C) | 10.6 in | |
| August | 75°F (24°C) | 12.0 in | |
| September | 75°F (24°C) | 15.0 in | Wettest |
| October | 72°F (22°C) | 13.5 in | |
| November | 70°F (21°C) | 8.6 in | |
| December | 68°F (20°C) | 7.1 in |
San Antonio Poyono has a seasonal temperature swing of 14°F / from 63°F in January to 77°F in May. Total annual precipitation is 101.9 inches, with September being the wettest month (15.0") and March the driest (3.3").