All Countries
Weather & Climate in San Juan Lachao, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Juan Lachao has a warm climate with an average annual temperature of 74°F (23°C). Winters average 71°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 247 sunny days per year, above the national average. Annual precipitation totals 48.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,959 feet.
Temperature
71°F Jan (22°C)
75°F Jul (24°C)
| Annual Average | 73.9°F |
| 37% above US avg | |
| January Average | 71°F (22°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 247 days/yr |
Geography
| Elevation | 1,959 ft (597 m) |
| Area | 102.5 sq mi (265.6 km²) |
| Population Density | 12/sq mi |
| Coordinates | 16.1589°N, 97.1245°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
2,164 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Sep 30, 1999 | 15 km W of San Baltazar Loxicha, Mexico | M7.5 | 24 km | 61 km |
| Jun 23, 2020 | 9 km SE of Santa María Xadani, Mexico | M7.4 | 123 km | 20 km |
| Mar 20, 2012 | 6 km E of Santiago Llano Grande, Mexico | M7.4 | 124 km | 20 km |
| Feb 16, 2018 | 4 km S of Pinotepa de Don Luis, Mexico | M7.2 | 95 km | 22 km |
| Feb 25, 1996 | 24 km SSW of Santa María Chico Ometepec, Mexico | M7.1 | 103 km | 21 km |
| Jul 19, 1997 | 4 km ENE of El Ciruelo, Mexico | M6.9 | 118 km | 33 km |
| Jul 4, 1994 | 108 km SSW of La Barra de Colotepec, Mexico | M6.5 | 143 km | 15 km |
| Feb 3, 1998 | 2 km E of Benito Juárez, Mexico | M6.4 | 94 km | 33 km |
| Jun 30, 2010 | 2 km ESE of San Agustín Chayuco, Mexico | M6.3 | 75 km | 20 km |
| Feb 25, 1996 | 7 km SE of Santa María Chico Ometepec, Mexico | M6.2 | 86 km | 12 km |
| May 15, 1993 | 1 km ENE of Ometepec, Mexico | M6.1 | 148 km | 21 km |
| May 15, 1993 | 2 km SSW of Ometepec, Mexico | M6.0 | 149 km | 20 km |
| Apr 2, 2012 | 7 km SSW of Santa María Cortijo, Mexico | M6.0 | 130 km | 9 km |
| Mar 19, 1996 | 21 km WSW of Bajos de Chila, Mexico | M5.9 | 39 km | 33 km |
| Jun 14, 2004 | 0 km W of Santa Catarina Mechoacán, Mexico | M5.9 | 79 km | 10 km |
| Feb 19, 2018 | 4 km SSE of Santiago Tetepec, Mexico | M5.9 | 66 km | 22 km |
| Apr 1, 1991 | 11 km SW of Corralero, Mexico | M5.8 | 123 km | 21 km |
| May 8, 2016 | 3 km WNW of San Agustín Chayuco, Mexico | M5.8 | 82 km | 22 km |
| Aug 2, 2025 | 4 km S of Xagacía, Mexico | M5.8 | 140 km | 63 km |
| Mar 10, 2014 | 26 km SW of Corralero, Mexico | M5.8 | 130 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 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 | 84 km |
| 2024 | John | Category 3 | 121 mph | 160 km |
| 2023 | Otis | Category 5 | 167 mph | 270 km |
| 2022 | Agatha | Category 2 | 109 mph | 76 km |
| 2022 | Bonnie | Category 2 | 98 mph | 297 km |
| 2017 | Max | Category 1 | 92 mph | 199 km |
| 2012 | Carlotta | Category 2 | 109 mph | 20 km |
| 2011 | Hilary | Category 3 | 104 mph | 204 km |
| 2006 | John | Category 3 | 109 mph | 265 km |
| 1998 | Lester | Category 2 | 104 mph | 185 km |
| 1997 | Pauline | Category 4 | 132 mph | 54 km |
| 1997 | Rick | Category 2 | 98 mph | 30 km |
| 1996 | Douglas | Category 1 | 86 mph | 283 km |
| 1989 | Cosme | Category 1 | 86 mph | 213 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
10 tsunamis recorded within 500 km. Highest wave on record: 1.6 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2020 | OFF COAST OF OAXACA | Earthquake | 1.6 m | 10 | 123 km |
| 1965 | MEXICO | Earthquake | 0.4 m | 6 | 142 km |
| 1950 | S. MEXICO | Earthquake | 0.3 m | — | 122 km |
| 2022 | S. MEXICO | Earthquake | 0.2 m | — | 125 km |
| 2012 | S. MEXICO | Earthquake | 0.2 m | 2 | 124 km |
| 1928 | S. MEXICO | Earthquake | 0.2 m | 4 | 17 km |
| 1996 | MEXICO | Earthquake | 0.1 m | — | 103 km |
| 1968 | ACAPULCO | Earthquake | — | 18 | 77 km |
| 1928 | MEXICO | Earthquake | — | — | 122 km |
| 1870 | PUERTO ANGEL, MEXICO | Earthquake | — | 24 | 122 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (22°C) | 0.2 in | Coldest, Driest |
| February | 72°F (22°C) | 0.4 in | |
| March | 74°F (23°C) | 0.4 in | |
| April | 75°F (24°C) | 0.8 in | |
| May | 77°F (25°C) | 4.1 in | Warmest |
| June | 75°F (24°C) | 9.3 in | |
| July | 75°F (24°C) | 8.1 in | |
| August | 75°F (24°C) | 10.2 in | Wettest |
| September | 75°F (24°C) | 10.0 in | |
| October | 74°F (23°C) | 4.5 in | |
| November | 73°F (23°C) | 0.7 in | |
| December | 71°F (22°C) | 0.2 in |
San Juan Lachao has a seasonal temperature swing of 5°F / from 71°F in January to 77°F in May. Total annual precipitation is 48.8 inches, with August being the wettest month (10.2") and January the driest (0.2").