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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 72°F (22°C). Winters average 65°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 299 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 56.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 495 feet.
Temperature
65°F Jan (19°C)
77°F Jul (25°C)
| Annual Average | 71.7°F |
| 33% above US avg | |
| January Average | 65°F (19°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 495 ft (151 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 1,113/sq mi |
| Coordinates | 20.6943°N, 97.9385°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
27 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Feb 8, 2016 | 5 km WSW of Atecax, Mexico | M4.7 | 125 km | 10 km |
| Sep 3, 2013 | Gulf of America | M4.3 | 138 km | 17 km |
| Jul 25, 2002 | 13 km SW of Agua Zarca, Mexico | M4.1 | 137 km | 5 km |
| Aug 7, 2005 | 2 km W of San Isidro, Mexico | M4.0 | 123 km | 5 km |
| Jul 21, 2011 | 1 km SW of Tocoy, Mexico | M4.0 | 143 km | 12 km |
| Sep 23, 2013 | 2 km ENE of Chilcuautla, Mexico | M4.0 | 138 km | 5 km |
| Apr 17, 2010 | 5 km SSE of Pozuelos, Mexico | M4.0 | 118 km | 2 km |
| May 20, 2010 | 3 km N of La Estancia, Mexico | M3.9 | 107 km | 5 km |
| Jul 4, 2005 | 1 km S of Pisaflores, Mexico | M3.9 | 123 km | 16 km |
| Mar 19, 2000 | 3 km E of San Antonio Virreyes, Mexico | M3.9 | 147 km | 9 km |
| Apr 8, 1998 | 9 km NNW of Jacala, Mexico | M3.7 | 142 km | 35 km |
| Jan 24, 2006 | 1 km ENE of Chilcuautla, Mexico | M3.7 | 139 km | 5 km |
| Feb 6, 2005 | 0 km NNE of Progreso de Alvaro Obregon, Mexico | M3.7 | 139 km | 5 km |
| Apr 18, 2001 | 3 km NNE of Orizabita, Mexico | M3.6 | 132 km | 60 km |
| Dec 22, 1998 | 5 km WSW of Almoloya, Mexico | M3.5 | 85 km | 4 km |
| Mar 24, 1999 | 15 km SSW of Jacala, Mexico | M3.5 | 136 km | 8 km |
| Feb 10, 2005 | 1 km SE of Xochitlán, Mexico | M3.4 | 137 km | 5 km |
| Mar 23, 1998 | 3 km ESE of Tlaxcoapan, Mexico | M3.4 | 147 km | 3 km |
| Sep 19, 1999 | 5 km NNW of Tasquillo, Mexico | M3.4 | 146 km | 14 km |
| Apr 20, 1998 | 2 km SSE of Tezoquipa, Mexico | M3.3 | 150 km | 1 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 | 33 km |
| 2017 | Katia | Category 2 | 104 mph | 88 km |
| 2017 | Franklin | Category 1 | 86 mph | 160 km |
| 2010 | Karl | Category 3 | 127 mph | 231 km |
| 2007 | Dean | Category 2 | 98 mph | 70 km |
| 2007 | Lorenzo | Category 1 | 81 mph | 90 km |
| 2000 | Keith | Category 1 | 92 mph | 157 km |
| 1996 | Dolly | Category 1 | 81 mph | 104 km |
| 1993 | Gert | Category 2 | 98 mph | 59 km |
| 1990 | Diana | Category 2 | 98 mph | 61 km |
| 1988 | Debby | Category 1 | 75 mph | 66 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Humeros, Los (124 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Humeros, Los | Caldera(s) | 3,150 m (10,335 ft) | -4470 | 124 km |
| Cofre de Perote | Shield(s) | 4,282 m (14,049 ft) | 1150 | 157 km |
| Serdan-Oriental | Tuff cone(s) | 3,485 m (11,434 ft) | Unknown | 166 km |
| Gloria, La | Volcanic field | 3,500 m (11,483 ft) | Unknown | 168 km |
| Naolinco Volcanic Field | Pyroclastic cone(s) | 2,000 m (6,562 ft) | -1200 | 168 km |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 174 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 184 km |
| Cumbres, Las | Stratovolcano | 3,940 m (12,927 ft) | -3920 | 185 km |
| Orizaba, Pico de | Stratovolcano | 5,564 m (18,255 ft) | 1846 | 198 km |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 199 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 65°F (19°C) | 1.7 in | Coldest, Driest |
| February | 67°F (19°C) | 1.8 in | |
| March | 71°F (22°C) | 1.9 in | |
| April | 76°F (24°C) | 2.5 in | |
| May | 79°F (26°C) | 4.1 in | |
| June | 80°F (27°C) | 8.8 in | Warmest |
| July | 77°F (25°C) | 9.8 in | |
| August | 78°F (25°C) | 8.5 in | |
| September | 77°F (25°C) | 11.1 in | Wettest |
| October | 74°F (23°C) | 5.7 in | |
| November | 70°F (21°C) | 2.6 in | |
| December | 66°F (19°C) | 1.9 in |
San Martín has a seasonal temperature swing of 14°F / from 65°F in January to 80°F in June. Total annual precipitation is 60.3 inches, with September being the wettest month (11.1") and January the driest (1.7").