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Weather & Climate in San Martín, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Martín has a warm climate with an average annual temperature of 74°F (23°C). Winters average 71°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.7 inches. The city sits at an elevation of 3,337 feet.
Temperature
71°F Jan (22°C)
75°F Jul (24°C)
| Annual Average | 74.1°F |
| 37% above US avg | |
| January Average | 71°F (22°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 3,337 ft (1,017 m) |
| Area | 336.0 sq mi (870.2 km²) |
| Population Density | 4/sq mi |
| Coordinates | 17.4631°N, 99.2944°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
2,348 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.4.
| Sep 14, 1995 | 5 km N of Azoyú, Mexico | M7.4 | 106 km | 23 km |
| Sep 19, 2017 | 1 km S of Matzaco, Mexico | M7.1 | 148 km | 48 km |
| Oct 24, 1993 | 1 km ENE of Jolotichán, Mexico | M6.7 | 100 km | 21 km |
| Aug 21, 2013 | 5 km ESE of Barrio Nuevo de los Muertos, Mexico | M6.2 | 69 km | 21 km |
| May 15, 1993 | 1 km ENE of Ometepec, Mexico | M6.1 | 128 km | 21 km |
| Nov 13, 1993 | 18 km SW of Montecillos, Mexico | M6.0 | 148 km | 20 km |
| Apr 13, 2007 | 5 km SE of El Paraíso, Mexico | M6.0 | 98 km | 34 km |
| May 15, 1993 | 2 km SSW of Ometepec, Mexico | M6.0 | 128 km | 20 km |
| Jul 21, 2000 | 12 km NW of Jolalpan, Mexico | M5.9 | 113 km | 80 km |
| Oct 8, 2001 | 3 km WSW of Tixtlancingo, Mexico | M5.9 | 88 km | 10 km |
| Apr 27, 2009 | 2 km WNW of Pochotillo, Mexico | M5.8 | 51 km | 35 km |
| Apr 28, 2008 | 21 km WNW of Tlacotepec, Mexico | M5.8 | 102 km | 57 km |
| Jun 16, 2013 | 5 km N of Tequicuilco, Mexico | M5.8 | 78 km | 52 km |
| Mar 20, 2021 | 6 km NNW of Marquelia, Mexico | M5.7 | 104 km | 10 km |
| May 5, 2011 | 2 km SE of Cuanacaxtitlán, Mexico | M5.7 | 104 km | 24 km |
| May 22, 2009 | 3 km E of Chila de la Sal, Mexico | M5.6 | 114 km | 62 km |
| May 11, 1990 | 7 km NW of El Súchil, Mexico | M5.6 | 148 km | 28 km |
| Oct 30, 1995 | 4 km ESE of Cuajinicuilapa, Mexico | M5.6 | 148 km | 33 km |
| Aug 15, 2009 | 3 km NE of San Miguel Totolapan, Mexico | M5.5 | 139 km | 57 km |
| Apr 26, 2011 | 8 km NNE of El Cortés, Mexico | M5.5 | 71 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
17 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 | 40 km |
| 2024 | John | Category 3 | 121 mph | 57 km |
| 2023 | Otis | Category 5 | 167 mph | 90 km |
| 2023 | Beatriz | Category 1 | 81 mph | 276 km |
| 2021 | Rick | Category 2 | 104 mph | 256 km |
| 2017 | Max | Category 1 | 92 mph | 95 km |
| 2015 | Carlos | Category 1 | 86 mph | 190 km |
| 2013 | Raymond | Category 3 | 127 mph | 296 km |
| 2012 | Carlotta | Category 2 | 104 mph | 183 km |
| 2011 | Hilary | Category 4 | 138 mph | 203 km |
| 2006 | John | Category 4 | 132 mph | 288 km |
| 1997 | Pauline | Category 3 | 109 mph | 67 km |
| 1997 | Rick | Category 2 | 98 mph | 219 km |
| 1996 | Boris | Category 1 | 92 mph | 187 km |
| 1993 | Calvin | Category 2 | 104 mph | 258 km |
| 1989 | Cosme | Category 1 | 86 mph | 70 km |
| 1984 | Odile | Category 2 | 104 mph | 191 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
14 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 | — | 44 km |
| 1787 | SAN MARCOS | Earthquake | 4.0 m | 11 | 136 km |
| 1754 | S. MEXICO | Earthquake | 4.0 m | — | 74 km |
| 1732 | S. MEXICO | Earthquake | 3.0 m | — | 98 km |
| 1907 | S. MEXICO | Earthquake | 2.0 m | 8 | 91 km |
| 1957 | S. MEXICO | Earthquake | 1.3 m | 65 | 109 km |
| 1962 | S. MEXICO | Earthquake | 0.8 m | 4 | 44 km |
| 2021 | S. MEXICO | Earthquake | 0.5 m | 3 | 74 km |
| 1995 | S. MEXICO | Earthquake | 0.4 m | 3 | 106 km |
| 1962 | S. MEXICO | Earthquake | 0.3 m | 3 | 37 km |
| 2026 | ACAPULCO | Earthquake | 0.1 m | 2 | 62 km |
| 1868 | S. MEXICO | Earthquake | — | — | 98 km |
| 1845 | S. MEXICO | Earthquake | — | — | 148 km |
| 1833 | S. MEXICO | Earthquake | — | — | 98 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Chichinautzin (181 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 181 km |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 187 km |
| Toluca, Nevado de | Stratovolcano | 4,680 m (15,354 ft) | -1350 | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (22°C) | 0.4 in | Coldest |
| February | 72°F (22°C) | 0.2 in | |
| March | 75°F (24°C) | 0.1 in | Driest |
| April | 77°F (25°C) | 0.4 in | |
| May | 78°F (26°C) | 2.3 in | Warmest |
| June | 76°F (25°C) | 8.4 in | |
| July | 75°F (24°C) | 9.4 in | |
| August | 75°F (24°C) | 9.3 in | |
| September | 74°F (23°C) | 10.1 in | Wettest |
| October | 74°F (23°C) | 4.1 in | |
| November | 73°F (23°C) | 0.8 in | |
| December | 71°F (22°C) | 0.3 in |
San Martín has a seasonal temperature swing of 7°F / from 71°F in January to 78°F in May. Total annual precipitation is 45.7 inches, with September being the wettest month (10.1") and March the driest (0.1").