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Weather & Climate in El Llano, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
El Llano has a warm climate with an average annual temperature of 79°F (26°C). Winters average 77°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 225 sunny days per year, above the national average. Annual precipitation totals 64.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 482 feet.
Temperature
77°F Jan (25°C)
80°F Jul (27°C)
| Annual Average | 78.8°F |
| 46% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 225 days/yr |
Geography
| Elevation | 482 ft (147 m) |
| Area | 152.6 sq mi (395.1 km²) |
| Population Density | 4/sq mi |
| Coordinates | 16.6979°N, 98.9532°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
3,454 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.4.
| Sep 14, 1995 | 5 km N of Azoyú, Mexico | M7.4 | 39 km | 23 km |
| Mar 20, 2012 | 6 km E of Santiago Llano Grande, Mexico | M7.4 | 80 km | 20 km |
| Feb 16, 2018 | 4 km S of Pinotepa de Don Luis, Mexico | M7.2 | 110 km | 22 km |
| Feb 25, 1996 | 24 km SSW of Santa María Chico Ometepec, Mexico | M7.1 | 124 km | 21 km |
| Jul 19, 1997 | 4 km ENE of El Ciruelo, Mexico | M6.9 | 89 km | 33 km |
| Oct 24, 1993 | 1 km ENE of Jolotichán, Mexico | M6.7 | 26 km | 21 km |
| Jun 30, 2010 | 2 km ESE of San Agustín Chayuco, Mexico | M6.3 | 129 km | 20 km |
| Feb 25, 1996 | 7 km SE of Santa María Chico Ometepec, Mexico | M6.2 | 127 km | 12 km |
| Aug 21, 2013 | 5 km ESE of Barrio Nuevo de los Muertos, Mexico | M6.2 | 61 km | 21 km |
| May 15, 1993 | 1 km ENE of Ometepec, Mexico | M6.1 | 60 km | 21 km |
| Apr 13, 2007 | 5 km SE of El Paraíso, Mexico | M6.0 | 148 km | 34 km |
| Nov 13, 1993 | 18 km SW of Montecillos, Mexico | M6.0 | 57 km | 20 km |
| Dec 16, 1997 | 46 km SSW of Barra de Tecoanapa, Mexico | M6.0 | 67 km | 10 km |
| May 15, 1993 | 2 km SSW of Ometepec, Mexico | M6.0 | 57 km | 20 km |
| Apr 2, 2012 | 7 km SSW of Santa María Cortijo, Mexico | M6.0 | 76 km | 9 km |
| Feb 19, 2018 | 4 km SSE of Santiago Tetepec, Mexico | M5.9 | 138 km | 22 km |
| Jun 14, 2004 | 0 km W of Santa Catarina Mechoacán, Mexico | M5.9 | 125 km | 10 km |
| Oct 8, 2001 | 3 km WSW of Tixtlancingo, Mexico | M5.9 | 117 km | 10 km |
| Apr 1, 1991 | 11 km SW of Corralero, Mexico | M5.8 | 93 km | 21 km |
| Mar 10, 2014 | 26 km SW of Corralero, Mexico | M5.8 | 98 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
19 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 4 | 138 mph | 13 km |
| 2024 | John | Category 3 | 121 mph | 12 km |
| 2023 | Otis | Category 5 | 167 mph | 90 km |
| 2022 | Agatha | Category 2 | 109 mph | 250 km |
| 2021 | Rick | Category 2 | 92 mph | 267 km |
| 2017 | Max | Category 1 | 92 mph | 6 km |
| 2015 | Carlos | Category 1 | 86 mph | 163 km |
| 2012 | Carlotta | Category 2 | 109 mph | 114 km |
| 2011 | Hilary | Category 4 | 132 mph | 142 km |
| 2006 | John | Category 4 | 132 mph | 229 km |
| 2000 | Carlotta | Category 1 | 86 mph | 279 km |
| 1998 | Lester | Category 2 | 104 mph | 271 km |
| 1997 | Pauline | Category 4 | 132 mph | 5 km |
| 1997 | Rick | Category 2 | 98 mph | 128 km |
| 1996 | Douglas | Category 2 | 92 mph | 297 km |
| 1996 | Boris | Category 1 | 92 mph | 160 km |
| 1993 | Calvin | Category 2 | 104 mph | 212 km |
| 1989 | Cosme | Category 1 | 86 mph | 19 km |
| 1984 | Odile | Category 2 | 104 mph | 189 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
17 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1820 | S. MEXICO | Earthquake | 4.0 m | — | 89 km |
| 1787 | SAN MARCOS | Earthquake | 4.0 m | 11 | 53 km |
| 1754 | S. MEXICO | Earthquake | 4.0 m | — | 29 km |
| 1732 | S. MEXICO | Earthquake | 3.0 m | — | 101 km |
| 1907 | S. MEXICO | Earthquake | 2.0 m | 8 | 116 km |
| 1957 | S. MEXICO | Earthquake | 1.3 m | 65 | 27 km |
| 1962 | S. MEXICO | Earthquake | 0.8 m | 4 | 89 km |
| 2021 | S. MEXICO | Earthquake | 0.5 m | 3 | 93 km |
| 1995 | S. MEXICO | Earthquake | 0.4 m | 3 | 39 km |
| 1962 | S. MEXICO | Earthquake | 0.3 m | 3 | 81 km |
| 1950 | S. MEXICO | Earthquake | 0.3 m | — | 82 km |
| 2012 | S. MEXICO | Earthquake | 0.2 m | 2 | 80 km |
| 1996 | MEXICO | Earthquake | 0.1 m | — | 124 km |
| 2026 | ACAPULCO | Earthquake | 0.1 m | 2 | 44 km |
| 1968 | ACAPULCO | Earthquake | — | 18 | 131 km |
| 1868 | S. MEXICO | Earthquake | — | — | 101 km |
| 1833 | S. MEXICO | Earthquake | — | — | 101 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 0.5 in | Coldest |
| February | 77°F (25°C) | 0.3 in | |
| March | 78°F (26°C) | 0.1 in | Driest |
| April | 80°F (27°C) | 0.1 in | |
| May | 81°F (27°C) | 2.2 in | Warmest |
| June | 80°F (27°C) | 14.1 in | Wettest |
| July | 80°F (27°C) | 11.3 in | |
| August | 80°F (27°C) | 13.0 in | |
| September | 79°F (26°C) | 14.0 in | |
| October | 79°F (26°C) | 7.2 in | |
| November | 78°F (26°C) | 1.1 in | |
| December | 77°F (25°C) | 0.4 in |
El Llano has a seasonal temperature swing of 5°F / from 77°F in January to 81°F in May. Total annual precipitation is 64.1 inches, with June being the wettest month (14.1") and March the driest (0.1").