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Weather & Climate in San Ildefonso, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Ildefonso 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 352 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 31.9 inches. The city sits at an elevation of 8,330 feet.
Temperature
52°F Jan (11°C)
59°F Jul (15°C)
| Annual Average | 57.2°F |
| 6% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 352 days/yr |
Geography
| Elevation | 8,330 ft (2,539 m) |
| Area | 185.2 sq mi (479.7 km²) |
| Population Density | 24/sq mi |
| Coordinates | 19.5611°N, 99.7858°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
180 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| Nov 15, 2012 | 8 km N of San José Poliutla, Mexico | M6.1 | 149 km | 53 km |
| Feb 28, 2025 | 3 km NE of Pololcingo, Mexico | M5.0 | 147 km | 65 km |
| Jul 19, 1993 | 4 km W of San Antonio del Rosario, Mexico | M4.9 | 142 km | 56 km |
| Apr 22, 1994 | 7 km ESE of Palmar Chico, Mexico | M4.6 | 114 km | 70 km |
| Apr 5, 2022 | 17 km NNW of Tuzantla, Mexico | M4.5 | 95 km | 4 km |
| Jul 17, 2007 | 4 km NNE of San Lucas, Mexico | M4.3 | 146 km | 37 km |
| Jun 21, 1996 | 4 km ENE of Villa Madero, Mexico | M4.3 | 142 km | 61 km |
| Apr 30, 2006 | 5 km SSE of San Diego de Alcalá, Mexico | M4.2 | 120 km | 15 km |
| Mar 15, 1998 | 2 km NE of Macutzio, Mexico | M4.2 | 59 km | 15 km |
| Jul 17, 2012 | 12 km NNW of Ixcapuzalco, Mexico | M4.1 | 106 km | 76 km |
| Mar 21, 1998 | 8 km W of San Mateo Ozolco, Mexico | M4.1 | 135 km | 5 km |
| Mar 4, 2000 | 3 km NE of Tulcingo, Mexico | M4.1 | 149 km | 0 km |
| May 28, 2007 | 6 km NNE of Acapetlahuaya, Mexico | M4.1 | 124 km | 55 km |
| Mar 12, 2000 | 1 km SE of Teocalco, Mexico | M4.1 | 79 km | 5 km |
| Apr 21, 1998 | central Mexico | M4.1 | 137 km | 0 km |
| Mar 2, 2002 | 8 km SW of Acapetlahuaya, Mexico | M4.1 | 138 km | 51 km |
| May 6, 2013 | 12 km NW of San Pedro Benito Juárez, Mexico | M4.1 | 135 km | 1 km |
| Apr 17, 2010 | 5 km SSE of Pozuelos, Mexico | M4.0 | 126 km | 2 km |
| Sep 23, 2013 | 2 km ENE of Chilcuautla, Mexico | M4.0 | 106 km | 5 km |
| Aug 7, 2005 | 2 km W of San Isidro, Mexico | M4.0 | 125 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
12 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 1 | 75 mph | 278 km |
| 2024 | John | Category 2 | 98 mph | 251 km |
| 2023 | Otis | Category 4 | 98 mph | 214 km |
| 2021 | Grace | Category 3 | 121 mph | 242 km |
| 2021 | Rick | Category 2 | 104 mph | 285 km |
| 2007 | Dean | Category 2 | 98 mph | 280 km |
| 2007 | Lorenzo | Category 1 | 75 mph | 299 km |
| 1997 | Pauline | Category 1 | — | 285 km |
| 1996 | Boris | Category 1 | 92 mph | 269 km |
| 1993 | Gert | Category 2 | 98 mph | 231 km |
| 1990 | Diana | Category 2 | 98 mph | 290 km |
| 1988 | Debby | Category 1 | 75 mph | 289 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Toluca, Nevado de (51 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Toluca, Nevado de | Stratovolcano | 4,680 m (15,354 ft) | -1350 | 51 km |
| Zitacuaro-Valle de Bravo | Caldera | 3,500 m (11,483 ft) | -3050 | 52 km |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 87 km |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 117 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 127 km |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 136 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 0.8 in | |
| February | 52°F (11°C) | 0.4 in | Driest |
| March | 55°F (13°C) | 0.4 in | |
| April | 58°F (14°C) | 0.9 in | |
| May | 60°F (16°C) | 3.0 in | Warmest |
| June | 60°F (15°C) | 7.6 in | |
| July | 59°F (15°C) | 9.0 in | Wettest |
| August | 58°F (14°C) | 8.0 in | |
| September | 58°F (14°C) | 6.7 in | |
| October | 56°F (13°C) | 3.0 in | |
| November | 53°F (12°C) | 0.8 in | |
| December | 51°F (10°C) | 0.5 in | Coldest |
San Ildefonso has a seasonal temperature swing of 10°F / from 51°F in December to 60°F in May. Total annual precipitation is 41.0 inches, with July being the wettest month (9.0") and February the driest (0.4").