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Weather & Climate in San Sebastián Buenos Aires, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Sebastián Buenos Aires 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 9,245 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 | 9,245 ft (2,818 m) |
| Area | 138.4 sq mi (358.4 km²) |
| Population Density | 21/sq mi |
| Coordinates | 19.7272°N, 99.6036°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
163 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Apr 22, 1994 | 7 km ESE of Palmar Chico, Mexico | M4.6 | 139 km | 70 km |
| Apr 5, 2022 | 17 km NNW of Tuzantla, Mexico | M4.5 | 119 km | 4 km |
| Apr 30, 2006 | 5 km SSE of San Diego de Alcalá, Mexico | M4.2 | 133 km | 15 km |
| Mar 15, 1998 | 2 km NE of Macutzio, Mexico | M4.2 | 81 km | 15 km |
| Apr 21, 1998 | central Mexico | M4.1 | 130 km | 0 km |
| Jul 17, 2012 | 12 km NNW of Ixcapuzalco, Mexico | M4.1 | 128 km | 76 km |
| May 28, 2007 | 6 km NNE of Acapetlahuaya, Mexico | M4.1 | 147 km | 55 km |
| Feb 4, 2003 | Puebla region, Mexico | M4.1 | 145 km | 1 km |
| Mar 4, 2000 | 3 km NE of Tulcingo, Mexico | M4.1 | 145 km | 0 km |
| May 6, 2013 | 12 km NW of San Pedro Benito Juárez, Mexico | M4.1 | 128 km | 1 km |
| Mar 21, 1998 | 8 km W of San Mateo Ozolco, Mexico | M4.1 | 126 km | 5 km |
| Mar 12, 2000 | 1 km SE of Teocalco, Mexico | M4.1 | 52 km | 5 km |
| Sep 21, 1998 | 1 km W of San Mateo Ozolco, Mexico | M4.0 | 132 km | 1 km |
| Aug 7, 2005 | 2 km W of San Isidro, Mexico | M4.0 | 103 km | 5 km |
| Sep 22, 1998 | 3 km WNW of Xalitzintla, Mexico | M4.0 | 132 km | 1 km |
| Apr 27, 1998 | 4 km SW of San Nicolás de los Ranchos, Mexico | M4.0 | 138 km | 1 km |
| Sep 23, 2013 | 2 km ENE of Chilcuautla, Mexico | M4.0 | 80 km | 5 km |
| Apr 17, 2010 | 5 km SSE of Pozuelos, Mexico | M4.0 | 100 km | 2 km |
| May 30, 2007 | 4 km SSW of Lomas de Tepemecatl, Mexico | M4.0 | 69 km | 15 km |
| Mar 2, 2008 | 1 km NNW of Camémbaro, Mexico | M3.9 | 90 km | 19 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 | 294 km |
| 2024 | John | Category 1 | — | 271 km |
| 2023 | Otis | Category 4 | 98 mph | 237 km |
| 2021 | Grace | Category 3 | 121 mph | 217 km |
| 2017 | Katia | Category 1 | 81 mph | 279 km |
| 2007 | Dean | Category 2 | 98 mph | 255 km |
| 2007 | Lorenzo | Category 1 | 75 mph | 275 km |
| 1996 | Boris | Category 1 | 92 mph | 295 km |
| 1996 | Dolly | Category 1 | 81 mph | 287 km |
| 1993 | Gert | Category 2 | 98 mph | 204 km |
| 1990 | Diana | Category 2 | 98 mph | 264 km |
| 1988 | Debby | Category 1 | 75 mph | 264 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Toluca, Nevado de (71 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Toluca, Nevado de | Stratovolcano | 4,680 m (15,354 ft) | -1350 | 71 km |
| Zitacuaro-Valle de Bravo | Caldera | 3,500 m (11,483 ft) | -3050 | 77 km |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 87 km |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 106 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 118 km |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 129 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 0.7 in | Coldest |
| February | 51°F (10°C) | 0.5 in | |
| March | 54°F (12°C) | 0.6 in | |
| April | 57°F (14°C) | 1.1 in | |
| May | 58°F (15°C) | 2.9 in | Warmest |
| June | 58°F (14°C) | 6.7 in | |
| July | 50°F (10°C) | 8.1 in | Wettest |
| August | 57°F (14°C) | 7.1 in | |
| September | 56°F (13°C) | 6.0 in | |
| October | 54°F (12°C) | 2.6 in | |
| November | 52°F (11°C) | 0.8 in | |
| December | 50°F (10°C) | 0.5 in | Driest |
San Sebastián Buenos Aires has a seasonal temperature swing of 14°F / from 44°F in January to 58°F in May. Total annual precipitation is 37.5 inches, with July being the wettest month (8.1") and December the driest (0.5").