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Weather & Climate in San Francisco del Mar, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Francisco del Mar has a warm climate with an average annual temperature of 82°F (28°C). Winters average 78°F in January while summers reach 84°F in July / relatively mild seasonal variation. The area gets 262 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 40.5 inches. The city sits at an elevation of 43 feet.
Temperature
78°F Jan (26°C)
84°F Jul (29°C)
| Annual Average | 82.1°F |
| 52% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 262 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 904.1 sq mi (2,341.6 km²) |
| Population Density | 5/sq mi |
| Coordinates | 16.3399°N, 94.5153°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
2,881 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Oct 21, 1995 | 13 km NW of Ocozocoautla de Espinosa, Mexico | M7.2 | 125 km | 159 km |
| Apr 7, 2011 | 7 km SW of Helio García Alfaro, Mexico | M6.6 | 98 km | 166 km |
| Sep 30, 1993 | 90 km S of San Francisco del Mar Viejo, Mexico | M6.5 | 105 km | 19 km |
| Feb 12, 2008 | 9 km SSW of General Pascual Fentes, Mexico | M6.5 | 23 km | 83 km |
| Jun 7, 1998 | 2 km NNE of Cabeza de Toro, Mexico | M6.3 | 90 km | 87 km |
| Jul 6, 2007 | 6 km N of Lázaro Cárdenas, Mexico | M6.1 | 56 km | 113 km |
| Sep 23, 2017 | 7 km NNE of Ixtepec, Mexico | M6.1 | 68 km | 10 km |
| Aug 18, 2004 | 8 km E of Juchitán de Zaragoza, Mexico | M5.9 | 47 km | 63 km |
| Jan 5, 2020 | 3 km W of Reforma de Pineda, Mexico | M5.9 | 7 km | 87 km |
| Aug 7, 2004 | 17 km WNW of Palomares, Mexico | M5.9 | 121 km | 101 km |
| Sep 10, 2017 | 92 km S of San Francisco del Mar Viejo, Mexico | M5.8 | 105 km | 29 km |
| May 21, 2014 | 2 km SSW of Palomares, Mexico | M5.8 | 105 km | 120 km |
| Aug 9, 2023 | 7 km NNE of Tonalá, Mexico | M5.8 | 87 km | 103 km |
| Sep 24, 2017 | 80 km SSW of Cabeza de Toro, Mexico | M5.8 | 120 km | 47 km |
| Sep 23, 2017 | 80 km SSW of La Gloria, Mexico | M5.8 | 95 km | 54 km |
| Mar 2, 2023 | Oaxaca, Mexico | M5.7 | 15 km | 96 km |
| Sep 8, 2017 | 100 km SSW of Cabeza de Toro, Mexico | M5.7 | 131 km | 36 km |
| Aug 5, 2015 | 11 km ENE of Tonalá, Mexico | M5.7 | 94 km | 101 km |
| May 20, 2017 | 21 km SE of La Horqueta (Poblado Doce), Mexico | M5.7 | 91 km | 144 km |
| Sep 18, 2017 | 108 km S of San Francisco del Mar Viejo, Mexico | M5.6 | 121 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
8 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 4 | 127 mph | 292 km |
| 2022 | Agatha | Category 2 | 104 mph | 207 km |
| 2013 | Barbara | Category 1 | 81 mph | 67 km |
| 2012 | Carlotta | Category 2 | 109 mph | 248 km |
| 2005 | Stan | Category 1 | 81 mph | 255 km |
| 1998 | Lester | Category 2 | 98 mph | 220 km |
| 1997 | Pauline | Category 4 | 132 mph | 223 km |
| 1997 | Rick | Category 1 | 86 mph | 166 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 0.4 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1965 | MEXICO | Earthquake | 0.4 m | 6 | 137 km |
| 2025 | OFF COAST OF OAXACA | Earthquake | 0.2 m | — | 84 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chichon, El (178 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chichon, El | Lava dome(s) | 1,150 m (3,773 ft) | 1982 | 178 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 0.0 in | Coldest, Driest |
| February | 79°F (26°C) | 0.3 in | |
| March | 82°F (28°C) | 0.2 in | |
| April | 85°F (29°C) | 0.4 in | |
| May | 86°F (30°C) | 3.6 in | Warmest |
| June | 84°F (29°C) | 8.3 in | |
| July | 84°F (29°C) | 5.8 in | |
| August | 83°F (29°C) | 8.5 in | |
| September | 82°F (28°C) | 10.2 in | Wettest |
| October | 82°F (28°C) | 2.6 in | |
| November | 81°F (27°C) | 0.6 in | |
| December | 79°F (26°C) | 0.1 in |
San Francisco del Mar has a seasonal temperature swing of 8°F / from 78°F in January to 86°F in May. Total annual precipitation is 40.5 inches, with September being the wettest month (10.2") and January the driest (0.0").