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Weather & Climate in San Diego Alcalá, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Diego Alcalá experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 44°F in January while summers reach 50°F in July / relatively mild seasonal variation. The area gets 353 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 42.1 inches. The area receives 1.1 inches of snow annually. The city sits at an elevation of 8,514 feet.
Temperature
44°F Jan (7°C)
50°F Jul (10°C)
| Annual Average | 48.7°F |
| 10% below US avg | |
| January Average | 44°F (7°C) |
| July Average | 50°F (10°C) |
| Sunny Days | 353 days/yr |
Geography
| Elevation | 8,514 ft (2,595 m) |
| Area | 132.0 sq mi (341.8 km²) |
| Population Density | 29/sq mi |
| Coordinates | 19.4512°N, 99.6212°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
200 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 | 147 km | 53 km |
| Jul 21, 2000 | 12 km NW of Jolalpan, Mexico | M5.9 | 137 km | 80 km |
| Feb 28, 2025 | 3 km NE of Pololcingo, Mexico | M5.0 | 131 km | 65 km |
| Jul 19, 1993 | 4 km W of San Antonio del Rosario, Mexico | M4.9 | 140 km | 56 km |
| May 26, 2005 | 7 km ESE of Cocula, Mexico | M4.7 | 137 km | 93 km |
| Apr 22, 1994 | 7 km ESE of Palmar Chico, Mexico | M4.6 | 113 km | 70 km |
| Apr 5, 2022 | 17 km NNW of Tuzantla, Mexico | M4.5 | 109 km | 4 km |
| Jun 29, 2013 | 10 km WNW of Tequicuilco, Mexico | M4.5 | 149 km | 55 km |
| Jun 21, 1996 | 4 km ENE of Villa Madero, Mexico | M4.3 | 140 km | 61 km |
| Mar 15, 1998 | 2 km NE of Macutzio, Mexico | M4.2 | 76 km | 15 km |
| Apr 30, 2006 | 5 km SSE of San Diego de Alcalá, Mexico | M4.2 | 141 km | 15 km |
| Feb 23, 2013 | 6 km E of Mayanalán, Mexico | M4.1 | 145 km | 38 km |
| Mar 21, 1998 | 8 km W of San Mateo Ozolco, Mexico | M4.1 | 114 km | 5 km |
| Mar 4, 2000 | 3 km NE of Tulcingo, Mexico | M4.1 | 128 km | 0 km |
| May 6, 2013 | 12 km NW of San Pedro Benito Juárez, Mexico | M4.1 | 114 km | 1 km |
| Apr 21, 1998 | central Mexico | M4.1 | 117 km | 0 km |
| Mar 2, 2002 | 8 km SW of Acapetlahuaya, Mexico | M4.1 | 132 km | 51 km |
| May 28, 2007 | 6 km NNE of Acapetlahuaya, Mexico | M4.1 | 117 km | 55 km |
| Jul 17, 2012 | 12 km NNW of Ixcapuzalco, Mexico | M4.1 | 98 km | 76 km |
| Mar 12, 2000 | 1 km SE of Teocalco, Mexico | M4.1 | 79 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 2 | 75 mph | 264 km |
| 2024 | John | Category 2 | 98 mph | 240 km |
| 2023 | Otis | Category 5 | 161 mph | 208 km |
| 2021 | Grace | Category 3 | 121 mph | 232 km |
| 2021 | Rick | Category 2 | 104 mph | 297 km |
| 2017 | Katia | Category 1 | 81 mph | 293 km |
| 2007 | Dean | Category 2 | 98 mph | 269 km |
| 2007 | Lorenzo | Category 1 | 75 mph | 288 km |
| 1997 | Pauline | Category 1 | — | 273 km |
| 1996 | Boris | Category 1 | 92 mph | 277 km |
| 1993 | Gert | Category 2 | 98 mph | 229 km |
| 1990 | Diana | Category 2 | 98 mph | 282 km |
| 1989 | Cosme | Category 1 | 75 mph | 291 km |
| 1988 | Debby | Category 1 | 75 mph | 279 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Toluca, Nevado de (41 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Toluca, Nevado de | Stratovolcano | 4,680 m (15,354 ft) | -1350 | 41 km |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 66 km |
| Zitacuaro-Valle de Bravo | Caldera | 3,500 m (11,483 ft) | -3050 | 66 km |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 98 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 107 km |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 115 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 0.6 in | Coldest |
| February | 53°F (11°C) | 0.4 in | Driest |
| March | 56°F (13°C) | 0.6 in | |
| April | 58°F (15°C) | 1.1 in | |
| May | 60°F (15°C) | 2.8 in | Warmest |
| June | 59°F (15°C) | 6.7 in | |
| July | 50°F (10°C) | 8.0 in | Wettest |
| August | 58°F (14°C) | 6.7 in | |
| September | 58°F (14°C) | 5.6 in | |
| October | 56°F (13°C) | 2.6 in | |
| November | 53°F (12°C) | 0.7 in | |
| December | 51°F (11°C) | 0.4 in |
San Diego Alcalá has a seasonal temperature swing of 15°F / from 44°F in January to 60°F in May. Total annual precipitation is 36.2 inches, with July being the wettest month (8.0") and February the driest (0.4").