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Weather & Climate in Las Conchas, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Las Conchas has a warm climate with an average annual temperature of 80°F (27°C). Winters average 76°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.5 inches. The city sits at an elevation of 755 feet.
Temperature
76°F Jan (24°C)
82°F Jul (28°C)
| Annual Average | 80.2°F |
| 49% above US avg | |
| January Average | 76°F (24°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 755 ft (230 m) |
| Area | 50.0 sq mi (129.6 km²) |
| Population Density | 19/sq mi |
| Coordinates | 16.6625°N, 94.7155°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
2,593 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 | 134 km | 159 km |
| Apr 7, 2011 | 7 km SW of Helio García Alfaro, Mexico | M6.6 | 73 km | 166 km |
| Sep 30, 1993 | 90 km S of San Francisco del Mar Viejo, Mexico | M6.5 | 139 km | 19 km |
| Feb 12, 2008 | 9 km SSW of General Pascual Fentes, Mexico | M6.5 | 56 km | 83 km |
| Jun 7, 1998 | 2 km NNE of Cabeza de Toro, Mexico | M6.3 | 127 km | 87 km |
| Sep 23, 2017 | 7 km NNE of Ixtepec, Mexico | M6.1 | 39 km | 10 km |
| Jul 6, 2007 | 6 km N of Lázaro Cárdenas, Mexico | M6.1 | 85 km | 113 km |
| Feb 25, 2011 | 3 km NNE of Aguilera, Mexico | M5.9 | 135 km | 123 km |
| Jan 5, 2020 | 3 km W of Reforma de Pineda, Mexico | M5.9 | 38 km | 87 km |
| Aug 18, 2004 | 8 km E of Juchitán de Zaragoza, Mexico | M5.9 | 36 km | 63 km |
| Aug 7, 2004 | 17 km WNW of Palomares, Mexico | M5.9 | 80 km | 101 km |
| May 21, 2014 | 2 km SSW of Palomares, Mexico | M5.8 | 64 km | 120 km |
| Sep 23, 2017 | 80 km SSW of La Gloria, Mexico | M5.8 | 134 km | 54 km |
| Sep 10, 2017 | 92 km S of San Francisco del Mar Viejo, Mexico | M5.8 | 142 km | 29 km |
| Aug 9, 2023 | 7 km NNE of Tonalá, Mexico | M5.8 | 120 km | 103 km |
| Jul 25, 1991 | 3 km WNW of Aguilera, Mexico | M5.7 | 133 km | 127 km |
| Aug 5, 2015 | 11 km ENE of Tonalá, Mexico | M5.7 | 126 km | 101 km |
| Mar 2, 2023 | Oaxaca, Mexico | M5.7 | 56 km | 96 km |
| May 20, 2017 | 21 km SE of La Horqueta (Poblado Doce), Mexico | M5.7 | 80 km | 144 km |
| Sep 16, 2017 | 11 km SSE of Salina Cruz, Mexico | M5.6 | 78 km | 35 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 | 138 mph | 297 km |
| 2022 | Agatha | Category 2 | 104 mph | 199 km |
| 2013 | Barbara | Category 1 | 81 mph | 101 km |
| 2012 | Carlotta | Category 2 | 109 mph | 243 km |
| 2005 | Stan | Category 1 | 81 mph | 216 km |
| 1998 | Lester | Category 2 | 98 mph | 249 km |
| 1997 | Pauline | Category 4 | 132 mph | 227 km |
| 1997 | Rick | Category 1 | 86 mph | 161 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 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 | 123 km |
| 2022 | S. MEXICO | Earthquake | 0.2 m | — | 143 km |
| 2025 | OFF COAST OF OAXACA | Earthquake | 0.2 m | — | 104 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chichon, El (176 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chichon, El | Lava dome(s) | 1,150 m (3,773 ft) | 1982 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (24°C) | 0.5 in | Coldest |
| February | 77°F (25°C) | 0.4 in | |
| March | 80°F (27°C) | 0.3 in | Driest |
| April | 83°F (28°C) | 0.6 in | |
| May | 85°F (29°C) | 2.9 in | Warmest |
| June | 83°F (28°C) | 8.4 in | |
| July | 82°F (28°C) | 6.5 in | |
| August | 82°F (28°C) | 7.6 in | |
| September | 81°F (27°C) | 10.5 in | Wettest |
| October | 80°F (27°C) | 3.9 in | |
| November | 78°F (26°C) | 1.3 in | |
| December | 76°F (25°C) | 0.6 in |
Las Conchas has a seasonal temperature swing of 9°F / from 76°F in January to 85°F in May. Total annual precipitation is 43.5 inches, with September being the wettest month (10.5") and March the driest (0.3").