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Weather & Climate in San Martín, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Martín enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 52°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 328 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 30.5 inches. The city sits at an elevation of 5,305 feet.
Temperature
52°F Jan (11°C)
59°F Jul (15°C)
| Annual Average | 56.8°F |
| 5% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 5,305 ft (1,617 m) |
| Area | 188.4 sq mi (487.8 km²) |
| Population Density | 3/sq mi |
| Coordinates | 20.3672°N, 98.6565°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
132 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Jun 25, 2011 | 6 km NE of Purísima de Arista, Mexico | M4.2 | 137 km | 10 km |
| May 22, 2001 | 13 km WSW of Tamápatz, Mexico | M4.1 | 142 km | 17 km |
| Jun 25, 2011 | 6 km N of Landa de Matamoros, Mexico | M4.1 | 119 km | 3 km |
| May 6, 2013 | 12 km NW of San Pedro Benito Juárez, Mexico | M4.1 | 149 km | 1 km |
| Mar 21, 1998 | 8 km W of San Mateo Ozolco, Mexico | M4.1 | 140 km | 5 km |
| Jul 25, 2002 | 13 km SW of Agua Zarca, Mexico | M4.1 | 100 km | 5 km |
| Apr 21, 1998 | central Mexico | M4.1 | 147 km | 0 km |
| Mar 12, 2000 | 1 km SE of Teocalco, Mexico | M4.1 | 72 km | 5 km |
| Jun 27, 2011 | 17 km WSW of Tamápatz, Mexico | M4.0 | 137 km | 8 km |
| Oct 11, 1990 | 8 km NW of Pinal de Amoles, Mexico | M4.0 | 141 km | 10 km |
| Sep 21, 1998 | 1 km W of San Mateo Ozolco, Mexico | M4.0 | 141 km | 1 km |
| Apr 27, 1998 | 4 km SW of San Nicolás de los Ranchos, Mexico | M4.0 | 148 km | 1 km |
| May 30, 2007 | 4 km SSW of Lomas de Tepemecatl, Mexico | M4.0 | 144 km | 15 km |
| Sep 22, 1998 | 3 km WNW of Xalitzintla, Mexico | M4.0 | 143 km | 1 km |
| Mar 26, 2011 | 15 km WSW of Tamápatz, Mexico | M4.0 | 142 km | 9 km |
| Nov 3, 2002 | 8 km SW of José María Morelos, Mexico | M4.0 | 139 km | 5 km |
| Aug 7, 2005 | 2 km W of San Isidro, Mexico | M4.0 | 65 km | 5 km |
| Jul 21, 2011 | 1 km SW of Tocoy, Mexico | M4.0 | 143 km | 12 km |
| Apr 17, 2010 | 5 km SSE of Pozuelos, Mexico | M4.0 | 41 km | 2 km |
| Sep 23, 2013 | 2 km ENE of Chilcuautla, Mexico | M4.0 | 57 km | 5 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 3.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Grace | Category 3 | 121 mph | 101 km |
| 2017 | Katia | Category 2 | 104 mph | 164 km |
| 2017 | Franklin | Category 1 | 81 mph | 219 km |
| 2010 | Karl | Category 3 | 127 mph | 254 km |
| 2007 | Dean | Category 2 | 98 mph | 142 km |
| 2007 | Lorenzo | Category 1 | 81 mph | 163 km |
| 2000 | Keith | Category 1 | 92 mph | 234 km |
| 1996 | Dolly | Category 1 | 81 mph | 169 km |
| 1993 | Gert | Category 2 | 98 mph | 90 km |
| 1990 | Diana | Category 2 | 98 mph | 144 km |
| 1988 | Debby | Category 1 | 75 mph | 146 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
11 volcanoes within 200 km. Closest: Papayo (118 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 118 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 132 km |
| Humeros, Los | Caldera(s) | 3,150 m (10,335 ft) | -4470 | 147 km |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 150 km |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 152 km |
| Serdan-Oriental | Tuff cone(s) | 3,485 m (11,434 ft) | Unknown | 174 km |
| Toluca, Nevado de | Stratovolcano | 4,680 m (15,354 ft) | -1350 | 181 km |
| Cofre de Perote | Shield(s) | 4,282 m (14,049 ft) | 1150 | 185 km |
| Gloria, La | Volcanic field | 3,500 m (11,483 ft) | Unknown | 187 km |
| Zitacuaro-Valle de Bravo | Caldera | 3,500 m (11,483 ft) | -3050 | 198 km |
| Cumbres, Las | Stratovolcano | 3,940 m (12,927 ft) | -3920 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 0.6 in | Coldest |
| February | 60°F (16°C) | 0.6 in | |
| March | 65°F (18°C) | 0.7 in | |
| April | 68°F (20°C) | 1.4 in | |
| May | 70°F (21°C) | 2.3 in | Warmest |
| June | 68°F (20°C) | 5.3 in | |
| July | 59°F (15°C) | 6.0 in | |
| August | 66°F (19°C) | 5.5 in | |
| September | 65°F (19°C) | 7.8 in | Wettest |
| October | 63°F (17°C) | 3.4 in | |
| November | 61°F (16°C) | 1.1 in | |
| December | 59°F (15°C) | 0.5 in | Driest |
San Martín has a seasonal temperature swing of 18°F / from 52°F in January to 70°F in May. Total annual precipitation is 35.2 inches, with September being the wettest month (7.8") and December the driest (0.5").