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Weather & Climate in Monte Alto, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Monte Alto has a warm climate with an average annual temperature of 80°F (27°C). Winters average 78°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 244 sunny days per year, above the national average. Annual precipitation totals 50.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 102 feet.
Temperature
78°F Jan (25°C)
82°F Jul (28°C)
| Annual Average | 80.3°F |
| 49% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 102 ft (31 m) |
| Area | 484.4 sq mi (1,254.6 km²) |
| Population Density | 2/sq mi |
| Coordinates | 16.7176°N, 99.4648°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
3,237 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.4.
| Mar 20, 2012 | 6 km E of Santiago Llano Grande, Mexico | M7.4 | 134 km | 20 km |
| Sep 14, 1995 | 5 km N of Azoyú, Mexico | M7.4 | 93 km | 23 km |
| Jul 19, 1997 | 4 km ENE of El Ciruelo, Mexico | M6.9 | 140 km | 33 km |
| Oct 24, 1993 | 1 km ENE of Jolotichán, Mexico | M6.7 | 80 km | 21 km |
| May 8, 2014 | 3 km NNE of Nuxco, Mexico | M6.4 | 148 km | 17 km |
| Aug 21, 2013 | 5 km ESE of Barrio Nuevo de los Muertos, Mexico | M6.2 | 18 km | 21 km |
| May 15, 1993 | 1 km ENE of Ometepec, Mexico | M6.1 | 114 km | 21 km |
| Apr 2, 2012 | 7 km SSW of Santa María Cortijo, Mexico | M6.0 | 128 km | 9 km |
| Dec 16, 1997 | 46 km SSW of Barra de Tecoanapa, Mexico | M6.0 | 94 km | 10 km |
| May 31, 1990 | 7 km NE of Nuxco, Mexico | M6.0 | 145 km | 23 km |
| Apr 13, 2007 | 5 km SE of El Paraíso, Mexico | M6.0 | 102 km | 34 km |
| May 15, 1993 | 2 km SSW of Ometepec, Mexico | M6.0 | 112 km | 20 km |
| Nov 13, 1993 | 18 km SW of Montecillos, Mexico | M6.0 | 100 km | 20 km |
| Oct 8, 2001 | 3 km WSW of Tixtlancingo, Mexico | M5.9 | 67 km | 10 km |
| Apr 28, 2008 | 21 km WNW of Tlacotepec, Mexico | M5.8 | 146 km | 57 km |
| Apr 27, 2009 | 2 km WNW of Pochotillo, Mexico | M5.8 | 35 km | 35 km |
| Mar 10, 2014 | 26 km SW of Corralero, Mexico | M5.8 | 142 km | 8 km |
| Apr 1, 1991 | 11 km SW of Corralero, Mexico | M5.8 | 140 km | 21 km |
| Mar 20, 2021 | 6 km NNW of Marquelia, Mexico | M5.7 | 67 km | 10 km |
| May 5, 2011 | 2 km SE of Cuanacaxtitlán, Mexico | M5.7 | 91 km | 24 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
26 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 4 | 138 mph | 46 km |
| 2024 | John | Category 3 | 121 mph | 27 km |
| 2023 | Otis | Category 5 | 167 mph | 36 km |
| 2023 | Beatriz | Category 1 | 81 mph | 249 km |
| 2022 | Agatha | Category 2 | 109 mph | 283 km |
| 2021 | Rick | Category 2 | 104 mph | 214 km |
| 2017 | Max | Category 1 | 92 mph | 31 km |
| 2015 | Marty | Category 1 | 75 mph | 282 km |
| 2015 | Carlos | Category 1 | 86 mph | 120 km |
| 2013 | Raymond | Category 3 | 127 mph | 253 km |
| 2012 | Carlotta | Category 2 | 104 mph | 169 km |
| 2011 | Hilary | Category 4 | 138 mph | 119 km |
| 2006 | John | Category 4 | 132 mph | 206 km |
| 2001 | Adolph | Category 4 | 144 mph | 281 km |
| 2000 | Carlotta | Category 2 | 98 mph | 259 km |
| 1998 | Lester | Category 2 | 104 mph | 280 km |
| 1997 | Pauline | Category 3 | 109 mph | 40 km |
| 1997 | Rick | Category 2 | 98 mph | 138 km |
| 1996 | Douglas | Category 2 | 98 mph | 287 km |
| 1996 | Boris | Category 1 | 92 mph | 120 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
16 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1820 | S. MEXICO | Earthquake | 4.0 m | — | 56 km |
| 1787 | SAN MARCOS | Earthquake | 4.0 m | 11 | 106 km |
| 1754 | S. MEXICO | Earthquake | 4.0 m | — | 30 km |
| 1732 | S. MEXICO | Earthquake | 3.0 m | — | 47 km |
| 1907 | S. MEXICO | Earthquake | 2.0 m | 8 | 65 km |
| 1957 | S. MEXICO | Earthquake | 1.3 m | 65 | 46 km |
| 1962 | S. MEXICO | Earthquake | 0.8 m | 4 | 56 km |
| 2021 | S. MEXICO | Earthquake | 0.5 m | 3 | 44 km |
| 1995 | S. MEXICO | Earthquake | 0.4 m | 3 | 93 km |
| 1962 | S. MEXICO | Earthquake | 0.3 m | 3 | 54 km |
| 1950 | S. MEXICO | Earthquake | 0.3 m | — | 135 km |
| 2012 | S. MEXICO | Earthquake | 0.2 m | 2 | 134 km |
| 2026 | ACAPULCO | Earthquake | 0.1 m | 2 | 27 km |
| 1868 | S. MEXICO | Earthquake | — | — | 47 km |
| 1845 | S. MEXICO | Earthquake | — | — | 125 km |
| 1833 | S. MEXICO | Earthquake | — | — | 47 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 0.5 in | Coldest |
| February | 78°F (26°C) | 0.2 in | |
| March | 79°F (26°C) | 0.1 in | Driest |
| April | 81°F (27°C) | 0.1 in | |
| May | 83°F (28°C) | 1.5 in | Warmest |
| June | 82°F (28°C) | 10.4 in | |
| July | 82°F (28°C) | 9.0 in | |
| August | 82°F (28°C) | 10.0 in | |
| September | 81°F (27°C) | 12.5 in | Wettest |
| October | 81°F (27°C) | 5.5 in | |
| November | 80°F (27°C) | 0.9 in | |
| December | 78°F (26°C) | 0.3 in |
Monte Alto has a seasonal temperature swing of 5°F / from 78°F in January to 83°F in May. Total annual precipitation is 50.8 inches, with September being the wettest month (12.5") and March the driest (0.1").