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Weather & Climate in Santa María Petapa, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Santa María Petapa has a warm climate with an average annual temperature of 77°F (25°C). Winters average 73°F in January while summers reach 79°F in July / relatively mild seasonal variation. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 42.0 inches. The city sits at an elevation of 804 feet.
Temperature
73°F Jan (23°C)
79°F Jul (26°C)
| Annual Average | 77.3°F |
| 43% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 804 ft (245 m) |
| Area | 163.4 sq mi (423.2 km²) |
| Population Density | 14/sq mi |
| Coordinates | 16.8204°N, 95.1190°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
2,318 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.4.
| Jun 23, 2020 | 9 km SE of Santa María Xadani, Mexico | M7.4 | 141 km | 20 km |
| Apr 7, 2011 | 7 km SW of Helio García Alfaro, Mexico | M6.6 | 94 km | 166 km |
| Feb 12, 2008 | 9 km SSW of General Pascual Fentes, Mexico | M6.5 | 101 km | 83 km |
| Jul 29, 2014 | 2 km SE of Santa Teresa, Mexico | M6.3 | 111 km | 107 km |
| Jul 6, 2007 | 6 km N of Lázaro Cárdenas, Mexico | M6.1 | 131 km | 113 km |
| Sep 23, 2017 | 7 km NNE of Ixtepec, Mexico | M6.1 | 22 km | 10 km |
| Jan 5, 2020 | 3 km W of Reforma de Pineda, Mexico | M5.9 | 82 km | 87 km |
| Feb 25, 2011 | 3 km NNE of Aguilera, Mexico | M5.9 | 114 km | 123 km |
| Aug 7, 2004 | 17 km WNW of Palomares, Mexico | M5.9 | 43 km | 101 km |
| Aug 18, 2004 | 8 km E of Juchitán de Zaragoza, Mexico | M5.9 | 48 km | 63 km |
| Aug 2, 2025 | 4 km S of Xagacía, Mexico | M5.8 | 126 km | 63 km |
| May 21, 2014 | 2 km SSW of Palomares, Mexico | M5.8 | 34 km | 120 km |
| Mar 2, 2023 | Oaxaca, Mexico | M5.7 | 98 km | 96 km |
| Jul 25, 1991 | 3 km WNW of Aguilera, Mexico | M5.7 | 111 km | 127 km |
| May 20, 2017 | 21 km SE of La Horqueta (Poblado Doce), Mexico | M5.7 | 113 km | 144 km |
| Jan 21, 2019 | 72 km S of San Francisco del Mar Viejo, Mexico | M5.6 | 143 km | 29 km |
| Aug 28, 1994 | 6 km N of San Pedro Ocotepec, Mexico | M5.6 | 80 km | 68 km |
| Mar 12, 1994 | 30 km NNE of Santo Domingo Zanatepec, Mexico | M5.6 | 90 km | 97 km |
| Sep 16, 2017 | 11 km SSE of Salina Cruz, Mexico | M5.6 | 81 km | 35 km |
| Mar 6, 2022 | 3 km S of Zacatal, Mexico | M5.5 | 13 km | 95 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
9 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 | 278 km |
| 2022 | Agatha | Category 2 | 104 mph | 171 km |
| 2013 | Barbara | Category 1 | 81 mph | 147 km |
| 2012 | Carlotta | Category 2 | 109 mph | 217 km |
| 2010 | Karl | Category 3 | 127 mph | 292 km |
| 2005 | Stan | Category 1 | 81 mph | 199 km |
| 1998 | Lester | Category 2 | 98 mph | 259 km |
| 1997 | Pauline | Category 4 | 132 mph | 211 km |
| 1997 | Rick | Category 1 | 86 mph | 139 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
4 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 | 141 km |
| 1965 | MEXICO | Earthquake | 0.4 m | 6 | 93 km |
| 2022 | S. MEXICO | Earthquake | 0.2 m | — | 115 km |
| 2025 | OFF COAST OF OAXACA | Earthquake | 0.2 m | — | 115 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: San Martin (195 km).
| Name | Type | Elevation | Last Eruption | Distance |
| San Martin | Shield | 1,650 m (5,413 ft) | 1796 | 195 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 0.8 in | Coldest |
| February | 74°F (23°C) | 0.6 in | |
| March | 77°F (25°C) | 0.5 in | Driest |
| April | 80°F (27°C) | 0.5 in | |
| May | 82°F (28°C) | 1.9 in | Warmest |
| June | 80°F (27°C) | 7.0 in | |
| July | 79°F (26°C) | 7.9 in | |
| August | 79°F (26°C) | 7.7 in | |
| September | 78°F (26°C) | 8.9 in | Wettest |
| October | 77°F (25°C) | 3.9 in | |
| November | 75°F (24°C) | 1.4 in | |
| December | 73°F (23°C) | 1.0 in |
Santa María Petapa has a seasonal temperature swing of 9°F / from 73°F in January to 82°F in May. Total annual precipitation is 42.0 inches, with September being the wettest month (8.9") and March the driest (0.5").