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Weather & Climate in San Antonio Primera Fracción, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Antonio Primera Fracción enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 63°F in January while summers reach 69°F in July / relatively mild seasonal variation. The area gets 356 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 19.6 inches (drier than the 38-inch national average). The city sits at an elevation of 7,385 feet.
Temperature
63°F Jan (17°C)
69°F Jul (21°C)
| Annual Average | 68.1°F |
| 26% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 356 days/yr |
Geography
| Elevation | 7,385 ft (2,251 m) |
| Area | 29.4 sq mi (76.1 km²) |
| Population Density | 24/sq mi |
| Coordinates | 19.7464°N, 100.3567°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
93 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Apr 29, 2008 | 19 km W of Huetamo de Núñez, Mexico | M5.3 | 144 km | 76 km |
| Dec 20, 1995 | 15 km NW of Zirándaro de los Chávez, Mexico | M5.3 | 150 km | 77 km |
| Jul 21, 2003 | 14 km W of Huetamo de Núñez, Mexico | M5.2 | 144 km | 62 km |
| Jul 19, 1993 | 4 km W of San Antonio del Rosario, Mexico | M4.9 | 150 km | 56 km |
| Sep 24, 1991 | 1 km E of Huetamo de Núñez, Mexico | M4.8 | 136 km | 77 km |
| Apr 22, 1994 | 7 km ESE of Palmar Chico, Mexico | M4.6 | 121 km | 70 km |
| Sep 21, 1995 | 29 km W of Huetamo de Núñez, Mexico | M4.6 | 147 km | 95 km |
| May 26, 2014 | 20 km E of Poturo, Mexico | M4.5 | 150 km | 72 km |
| Nov 28, 1995 | 32 km NNE of Aratichanguío, Mexico | M4.5 | 144 km | 89 km |
| Apr 5, 2022 | 17 km NNW of Tuzantla, Mexico | M4.5 | 55 km | 4 km |
| Jun 21, 1996 | 4 km ENE of Villa Madero, Mexico | M4.3 | 146 km | 61 km |
| Jul 17, 2007 | 4 km NNE of San Lucas, Mexico | M4.3 | 131 km | 37 km |
| Mar 15, 1998 | 2 km NE of Macutzio, Mexico | M4.2 | 26 km | 15 km |
| Apr 30, 2006 | 5 km SSE of San Diego de Alcalá, Mexico | M4.2 | 57 km | 15 km |
| Oct 10, 2011 | 10 km NNW of Huetamo de Núñez, Mexico | M4.2 | 129 km | 105 km |
| Aug 14, 2000 | 23 km SSW of Carácuaro, Mexico | M4.2 | 135 km | 33 km |
| May 28, 2007 | 6 km NNE of Acapetlahuaya, Mexico | M4.1 | 145 km | 55 km |
| Jul 17, 2012 | 12 km NNW of Ixcapuzalco, Mexico | M4.1 | 133 km | 76 km |
| May 5, 1997 | 23 km SSE of Turicato, Mexico | M4.1 | 143 km | 86 km |
| Sep 4, 2002 | 2 km SSW of Zipiajo, Mexico | M4.1 | 126 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
7 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | John | Category 1 | 75 mph | 278 km |
| 2023 | Otis | Category 4 | 98 mph | 228 km |
| 2021 | Rick | Category 2 | 104 mph | 241 km |
| 2021 | Grace | Category 1 | — | 290 km |
| 1996 | Alma | Category 2 | 104 mph | 290 km |
| 1996 | Boris | Category 1 | 92 mph | 226 km |
| 1993 | Gert | Category 2 | 98 mph | 262 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
7 volcanoes within 200 km. Closest: Zitacuaro-Valle de Bravo (40 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Zitacuaro-Valle de Bravo | Caldera | 3,500 m (11,483 ft) | -3050 | 40 km |
| Toluca, Nevado de | Stratovolcano | 4,680 m (15,354 ft) | -1350 | 95 km |
| Michoacan-Guanajuato | Pyroclastic cone(s) | 3,860 m (12,664 ft) | 1952 | 146 km |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 149 km |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 180 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 191 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 | 63°F (17°C) | 0.9 in | |
| February | 56°F (13°C) | 0.4 in | |
| March | 60°F (15°C) | 0.3 in | Driest |
| April | 63°F (17°C) | 0.6 in | |
| May | 65°F (18°C) | 2.0 in | |
| June | 65°F (18°C) | 6.0 in | |
| July | 69°F (21°C) | 8.2 in | Warmest, Wettest |
| August | 62°F (17°C) | 7.9 in | |
| September | 62°F (17°C) | 5.9 in | |
| October | 60°F (16°C) | 2.7 in | |
| November | 58°F (14°C) | 0.6 in | |
| December | 56°F (13°C) | 0.4 in | Coldest |
San Antonio Primera Fracción has a seasonal temperature swing of 14°F / from 56°F in December to 69°F in July. Total annual precipitation is 35.9 inches, with July being the wettest month (8.2") and March the driest (0.3").