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Weather & Climate in San Isidro Apango, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Isidro Apango enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 63°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 357 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 72.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 682 feet.
Temperature
63°F Jan (17°C)
68°F Jul (20°C)
| Annual Average | 66.8°F |
| 24% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 357 days/yr |
Geography
| Elevation | 682 ft (208 m) |
| Area | 273.8 sq mi (709.1 km²) |
| Population Density | 4/sq mi |
| Coordinates | 15.8095°N, 96.3586°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
1,476 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 | 67 km | 61 km |
| Jun 23, 2020 | 9 km SE of Santa María Xadani, Mexico | M7.4 | 39 km | 20 km |
| Jul 4, 1994 | 108 km SSW of La Barra de Colotepec, Mexico | M6.5 | 146 km | 15 km |
| Feb 3, 1998 | 2 km E of Benito Juárez, Mexico | M6.4 | 10 km | 33 km |
| Mar 19, 1996 | 21 km WSW of Bajos de Chila, Mexico | M5.9 | 102 km | 33 km |
| Aug 2, 2025 | 4 km S of Xagacía, Mexico | M5.8 | 145 km | 63 km |
| Feb 9, 2010 | 8 km E of Santa María Colotepec, Mexico | M5.7 | 55 km | 40 km |
| Jun 7, 2002 | 4 km N of Santa Catarina Loxicha, Mexico | M5.6 | 53 km | 33 km |
| Sep 16, 2017 | 11 km SSE of Salina Cruz, Mexico | M5.6 | 134 km | 35 km |
| Aug 28, 1994 | 6 km N of San Pedro Ocotepec, Mexico | M5.6 | 145 km | 68 km |
| May 25, 2022 | 12 km WNW of Santa María Zapotitlán, Mexico | M5.5 | 59 km | 34 km |
| Apr 11, 2018 | 57 km SSE of Salina Cruz, Mexico | M5.5 | 145 km | 26 km |
| Jan 13, 2004 | 15 km SSW of San Jerónimo Coatlán, Mexico | M5.5 | 70 km | 28 km |
| Mar 5, 2025 | 60 km SSE of Santa Gertrudis Miramar, Mexico | M5.5 | 137 km | 29 km |
| Oct 11, 2002 | 29 km SSE of El Coyul, Mexico | M5.5 | 72 km | 33 km |
| Jun 14, 2017 | 57 km SSW of La Barra de Colotepec, Mexico | M5.5 | 103 km | 14 km |
| Apr 10, 2016 | 5 km ESE of Santa Cruz Ozolotepec, Mexico | M5.5 | 30 km | 25 km |
| Jul 24, 2020 | 26 km SSE of Crucecita, Mexico | M5.5 | 47 km | 11 km |
| Aug 5, 2002 | 3 km SSW of Tapanalá, Mexico | M5.4 | 68 km | 10 km |
| Jun 24, 2020 | 4 km ESE of San Miguel Figueroa, Mexico | M5.4 | 5 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 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 | 104 km |
| 2024 | John | Category 3 | 121 mph | 229 km |
| 2022 | Agatha | Category 2 | 109 mph | 11 km |
| 2022 | Bonnie | Category 1 | 86 mph | 269 km |
| 2017 | Max | Category 1 | — | 289 km |
| 2013 | Barbara | Category 1 | 81 mph | 231 km |
| 2012 | Carlotta | Category 2 | 109 mph | 43 km |
| 2011 | Hilary | Category 1 | 81 mph | 257 km |
| 2006 | John | Category 2 | 86 mph | 269 km |
| 1998 | Lester | Category 2 | 104 mph | 146 km |
| 1997 | Pauline | Category 4 | 132 mph | 57 km |
| 1997 | Rick | Category 1 | 92 mph | 28 km |
| 1996 | Douglas | Category 1 | 86 mph | 253 km |
| 1984 | Boris | Category 1 | 75 mph | 280 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 | 39 km |
| 1965 | MEXICO | Earthquake | 0.4 m | 6 | 81 km |
| 2022 | S. MEXICO | Earthquake | 0.2 m | — | 59 km |
| 1928 | S. MEXICO | Earthquake | 0.2 m | 4 | 76 km |
| 2025 | OFF COAST OF OAXACA | Earthquake | 0.2 m | — | 140 km |
| 1928 | MEXICO | Earthquake | — | — | 32 km |
| 1870 | PUERTO ANGEL, MEXICO | Earthquake | — | 24 | 46 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 0.2 in | Coldest, Driest |
| February | 77°F (25°C) | 0.3 in | |
| March | 79°F (26°C) | 0.4 in | |
| April | 81°F (27°C) | 0.8 in | |
| May | 82°F (28°C) | 3.4 in | Warmest |
| June | 81°F (27°C) | 9.3 in | Wettest |
| July | 68°F (20°C) | 6.2 in | |
| August | 80°F (27°C) | 8.2 in | |
| September | 79°F (26°C) | 9.1 in | |
| October | 79°F (26°C) | 3.8 in | |
| November | 79°F (26°C) | 0.7 in | |
| December | 77°F (25°C) | 0.2 in |
San Isidro Apango has a seasonal temperature swing of 19°F / from 63°F in January to 82°F in May. Total annual precipitation is 42.4 inches, with June being the wettest month (9.3") and January the driest (0.2").