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Weather & Climate in Santa María Petatengo, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Santa María Petatengo has a warm climate with an average annual temperature of 77°F (25°C). Winters average 75°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 49.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 991 feet.
Temperature
75°F Jan (24°C)
78°F Jul (26°C)
| Annual Average | 77.4°F |
| 43% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 991 ft (302 m) |
| Area | 273.8 sq mi (709.1 km²) |
| Population Density | 2/sq mi |
| Coordinates | 15.9693°N, 96.0208°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
1,772 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Sep 30, 1999 | 15 km W of San Baltazar Loxicha, Mexico | M7.5 | 98 km | 61 km |
| Jun 23, 2020 | 9 km SE of Santa María Xadani, Mexico | M7.4 | 9 km | 20 km |
| Feb 3, 1998 | 2 km E of Benito Juárez, Mexico | M6.4 | 31 km | 33 km |
| Sep 23, 2017 | 7 km NNE of Ixtepec, Mexico | M6.1 | 124 km | 10 km |
| Mar 19, 1996 | 21 km WSW of Bajos de Chila, Mexico | M5.9 | 138 km | 33 km |
| Aug 18, 2004 | 8 km E of Juchitán de Zaragoza, Mexico | M5.9 | 126 km | 63 km |
| Aug 2, 2025 | 4 km S of Xagacía, Mexico | M5.8 | 130 km | 63 km |
| Feb 9, 2010 | 8 km E of Santa María Colotepec, Mexico | M5.7 | 90 km | 40 km |
| Jan 21, 2019 | 72 km S of San Francisco del Mar Viejo, Mexico | M5.6 | 144 km | 29 km |
| Aug 28, 1994 | 6 km N of San Pedro Ocotepec, Mexico | M5.6 | 118 km | 68 km |
| Jun 7, 2002 | 4 km N of Santa Catarina Loxicha, Mexico | M5.6 | 79 km | 33 km |
| Sep 16, 2017 | 11 km SSE of Salina Cruz, Mexico | M5.6 | 95 km | 35 km |
| May 25, 2022 | 12 km WNW of Santa María Zapotitlán, Mexico | M5.5 | 23 km | 34 km |
| Mar 6, 2022 | 3 km S of Zacatal, Mexico | M5.5 | 137 km | 95 km |
| Mar 5, 2025 | 60 km SSE of Santa Gertrudis Miramar, Mexico | M5.5 | 107 km | 29 km |
| Apr 10, 2016 | 5 km ESE of Santa Cruz Ozolotepec, Mexico | M5.5 | 27 km | 25 km |
| Jun 14, 2017 | 57 km SSW of La Barra de Colotepec, Mexico | M5.5 | 143 km | 14 km |
| Jan 13, 2004 | 15 km SSW of San Jerónimo Coatlán, Mexico | M5.5 | 99 km | 28 km |
| Jul 24, 2020 | 26 km SSE of Crucecita, Mexico | M5.5 | 45 km | 11 km |
| Apr 11, 2018 | 57 km SSE of Salina Cruz, Mexico | M5.5 | 113 km | 26 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
11 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 4 | 138 mph | 144 km |
| 2024 | John | Category 3 | 115 mph | 269 km |
| 2022 | Agatha | Category 2 | 109 mph | 41 km |
| 2022 | Bonnie | Category 1 | 86 mph | 292 km |
| 2013 | Barbara | Category 1 | 81 mph | 197 km |
| 2012 | Carlotta | Category 2 | 109 mph | 84 km |
| 2011 | Hilary | Category 1 | 81 mph | 297 km |
| 1998 | Lester | Category 2 | 104 mph | 164 km |
| 1997 | Pauline | Category 4 | 132 mph | 80 km |
| 1997 | Rick | Category 1 | 92 mph | 8 km |
| 1996 | Douglas | Category 1 | 86 mph | 275 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 1.6 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2020 | OFF COAST OF OAXACA | Earthquake | 1.6 m | 10 | 9 km |
| 1965 | MEXICO | Earthquake | 0.4 m | 6 | 44 km |
| 2022 | S. MEXICO | Earthquake | 0.2 m | — | 23 km |
| 1928 | S. MEXICO | Earthquake | 0.2 m | 4 | 109 km |
| 2025 | OFF COAST OF OAXACA | Earthquake | 0.2 m | — | 105 km |
| 1928 | MEXICO | Earthquake | — | — | 34 km |
| 1870 | PUERTO ANGEL, MEXICO | Earthquake | — | 24 | 70 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 0.2 in | Coldest, Driest |
| February | 76°F (24°C) | 0.3 in | |
| March | 77°F (25°C) | 0.5 in | |
| April | 79°F (26°C) | 1.0 in | |
| May | 80°F (27°C) | 4.0 in | Warmest |
| June | 78°F (26°C) | 10.8 in | Wettest |
| July | 78°F (26°C) | 6.9 in | |
| August | 78°F (26°C) | 9.7 in | |
| September | 77°F (25°C) | 10.8 in | |
| October | 77°F (25°C) | 4.5 in | |
| November | 77°F (25°C) | 0.7 in | |
| December | 75°F (24°C) | 0.2 in |
Santa María Petatengo has a seasonal temperature swing of 4°F / from 75°F in January to 80°F in May. Total annual precipitation is 49.5 inches, with June being the wettest month (10.8") and January the driest (0.2").