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Weather & Climate in San Sebastián, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Sebastián enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 61°F in January while summers reach 69°F in July / relatively mild seasonal variation. The area gets 271 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 36.0 inches. The city sits at an elevation of 4,298 feet.
Temperature
61°F Jan (16°C)
69°F Jul (21°C)
| Annual Average | 66.7°F |
| 24% above US avg | |
| January Average | 61°F (16°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 4,298 ft (1,310 m) |
| Area | 294.3 sq mi (762.2 km²) |
| Population Density | 7/sq mi |
| Coordinates | 19.5722°N, 102.4809°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
192 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.6.
| Sep 19, 2022 | 35 km SSW of Aguililla, Mexico | M7.6 | 134 km | 27 km |
| May 22, 1997 | 5 km ENE of Churumuco de Morelos, Mexico | M6.5 | 135 km | 70 km |
| Jan 25, 1996 | 17 km WSW of Las Cañas, Mexico | M5.5 | 124 km | 77 km |
| Jan 29, 1990 | 28 km WSW of Arteaga, Mexico | M5.4 | 145 km | 39 km |
| Sep 29, 1992 | 8 km SSE of Tecalitlán, Mexico | M5.3 | 87 km | 95 km |
| Aug 15, 1999 | 27 km WSW of Los Olivos, Mexico | M5.3 | 83 km | 86 km |
| Apr 11, 2000 | 18 km W of Arteaga, Mexico | M5.2 | 136 km | 79 km |
| May 21, 2004 | 51 km S of Aguililla, Mexico | M5.2 | 149 km | 53 km |
| Mar 20, 1993 | 8 km SSE of Villa Victoria, Mexico | M5.1 | 132 km | 59 km |
| Oct 29, 1990 | 6 km NE of El Chauz, Mexico | M5.1 | 86 km | 99 km |
| Jun 16, 2019 | 16 km SW of Churumuco de Morelos, Mexico | M5.1 | 134 km | 61 km |
| May 11, 2021 | 8 km ENE of Aguililla, Mexico | M5.0 | 93 km | 58 km |
| Mar 20, 2006 | 8 km W of Churumuco de Morelos, Mexico | M4.9 | 129 km | 68 km |
| Sep 20, 2022 | 33 km SSE of Coalcomán de Vázquez Pallares, Mexico | M4.9 | 135 km | 27 km |
| Mar 14, 2022 | 20 km WSW of Arteaga, Mexico | M4.8 | 139 km | 51 km |
| Jul 15, 2009 | 26 km S of Coalcomán de Vázquez Pallares, Mexico | M4.8 | 136 km | 46 km |
| Jan 12, 2025 | 21 km ESE of Aquila, Mexico | M4.8 | 150 km | 35 km |
| May 22, 2025 | 2 km WSW of Nueva Italia de Ruiz, Mexico | M4.8 | 73 km | 107 km |
| Apr 26, 2016 | 26 km ESE of Aquila, Mexico | M4.7 | 148 km | 35 km |
| Oct 18, 1994 | 7 km S of El Chauz, Mexico | M4.7 | 95 km | 86 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
21 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | John | Category 1 | 75 mph | 254 km |
| 2023 | Lidia | Category 2 | — | 254 km |
| 2023 | Beatriz | Category 1 | 86 mph | 183 km |
| 2021 | Rick | Category 2 | 104 mph | 110 km |
| 2021 | Nora | Category 1 | 86 mph | 296 km |
| 2019 | Lorena | Category 1 | 81 mph | 223 km |
| 2015 | Patricia | Category 5 | 207 mph | 226 km |
| 2015 | Carlos | Category 1 | 92 mph | 262 km |
| 2013 | Erick | Category 1 | 81 mph | 290 km |
| 2011 | Jova | Category 2 | 98 mph | 270 km |
| 2011 | Beatriz | Category 1 | 92 mph | 199 km |
| 2009 | Andres | Category 1 | 81 mph | 247 km |
| 2006 | John | Category 4 | 132 mph | 271 km |
| 1996 | Alma | Category 2 | 104 mph | 175 km |
| 1996 | Hernan | Category 1 | 86 mph | 187 km |
| 1996 | Boris | Category 1 | 92 mph | 101 km |
| 1993 | Calvin | Category 2 | 109 mph | 229 km |
| 1992 | Winifred | Category 3 | 115 mph | 185 km |
| 1992 | Virgil | Category 3 | 115 mph | 168 km |
| 1987 | Eugene | Category 2 | 98 mph | 252 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 1.1 m (4 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1973 | S. MEXICO | Earthquake | 1.1 m | 56 | 133 km |
| 1932 | CENTRAL MEXICO | Earthquake | 1.0 m | — | 133 km |
| 2022 | MEXICO | Earthquake | 0.8 m | 2 | 134 km |
| 1941 | MEXICO | Earthquake | — | 84 | 113 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Michoacan-Guanajuato (83 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Michoacan-Guanajuato | Pyroclastic cone(s) | 3,860 m (12,664 ft) | 1952 | 83 km |
| Colima | Stratovolcano(es) | 3,850 m (12,631 ft) | 2019 | 120 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 61°F (16°C) | 0.8 in | Coldest |
| February | 62°F (17°C) | 0.2 in | Driest |
| March | 66°F (19°C) | 0.2 in | |
| April | 69°F (21°C) | 0.4 in | |
| May | 72°F (22°C) | 1.7 in | Warmest |
| June | 72°F (22°C) | 6.6 in | |
| July | 69°F (21°C) | 8.2 in | Wettest |
| August | 69°F (21°C) | 7.6 in | |
| September | 69°F (20°C) | 6.5 in | |
| October | 67°F (20°C) | 2.8 in | |
| November | 65°F (18°C) | 0.8 in | |
| December | 62°F (17°C) | 0.4 in |
San Sebastián has a seasonal temperature swing of 11°F / from 61°F in January to 72°F in May. Total annual precipitation is 36.0 inches, with July being the wettest month (8.2") and February the driest (0.2").