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Weather & Climate in San Lorenzo, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Lorenzo has a warm climate with an average annual temperature of 81°F (27°C). Winters average 79°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 358 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 47.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 787 feet.
Temperature
79°F Jan (26°C)
81°F Jul (27°C)
| Annual Average | 80.9°F |
| 50% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 358 days/yr |
Geography
| Elevation | 787 ft (240 m) |
| Area | 22.3 sq mi (57.7 km²) |
| Population Density | 93/sq mi |
| Coordinates | 16.3943°N, 97.8742°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
2,530 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 | 107 km | 61 km |
| Mar 20, 2012 | 6 km E of Santiago Llano Grande, Mexico | M7.4 | 40 km | 20 km |
| Sep 14, 1995 | 5 km N of Azoyú, Mexico | M7.4 | 88 km | 23 km |
| Feb 16, 2018 | 4 km S of Pinotepa de Don Luis, Mexico | M7.2 | 11 km | 22 km |
| Feb 25, 1996 | 24 km SSW of Santa María Chico Ometepec, Mexico | M7.1 | 51 km | 21 km |
| Jul 19, 1997 | 4 km ENE of El Ciruelo, Mexico | M6.9 | 37 km | 33 km |
| Oct 24, 1993 | 1 km ENE of Jolotichán, Mexico | M6.7 | 98 km | 21 km |
| Jun 30, 2010 | 2 km ESE of San Agustín Chayuco, Mexico | M6.3 | 10 km | 20 km |
| Feb 25, 1996 | 7 km SE of Santa María Chico Ometepec, Mexico | M6.2 | 31 km | 12 km |
| May 15, 1993 | 1 km ENE of Ometepec, Mexico | M6.1 | 65 km | 21 km |
| Dec 16, 1997 | 46 km SSW of Barra de Tecoanapa, Mexico | M6.0 | 109 km | 10 km |
| Apr 2, 2012 | 7 km SSW of Santa María Cortijo, Mexico | M6.0 | 47 km | 9 km |
| Nov 13, 1993 | 18 km SW of Montecillos, Mexico | M6.0 | 82 km | 20 km |
| May 15, 1993 | 2 km SSW of Ometepec, Mexico | M6.0 | 66 km | 20 km |
| Jun 14, 2004 | 0 km W of Santa Catarina Mechoacán, Mexico | M5.9 | 7 km | 10 km |
| Mar 19, 1996 | 21 km WSW of Bajos de Chila, Mexico | M5.9 | 86 km | 33 km |
| Feb 19, 2018 | 4 km SSE of Santiago Tetepec, Mexico | M5.9 | 19 km | 22 km |
| Apr 1, 1991 | 11 km SW of Corralero, Mexico | M5.8 | 50 km | 21 km |
| Mar 10, 2014 | 26 km SW of Corralero, Mexico | M5.8 | 63 km | 8 km |
| May 8, 2016 | 3 km WNW of San Agustín Chayuco, Mexico | M5.8 | 4 km | 22 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
16 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 | 47 km |
| 2024 | John | Category 3 | 121 mph | 95 km |
| 2023 | Otis | Category 5 | 167 mph | 198 km |
| 2022 | Agatha | Category 2 | 109 mph | 151 km |
| 2017 | Max | Category 1 | 92 mph | 115 km |
| 2015 | Carlos | Category 1 | 86 mph | 253 km |
| 2012 | Carlotta | Category 2 | 109 mph | 12 km |
| 2011 | Hilary | Category 3 | 121 mph | 173 km |
| 2006 | John | Category 3 | 115 mph | 270 km |
| 1998 | Lester | Category 2 | 104 mph | 214 km |
| 1997 | Pauline | Category 4 | 132 mph | 45 km |
| 1997 | Rick | Category 2 | 98 mph | 77 km |
| 1996 | Boris | Category 1 | 75 mph | 254 km |
| 1996 | Douglas | Category 1 | 92 mph | 291 km |
| 1993 | Calvin | Category 2 | 98 mph | 292 km |
| 1989 | Cosme | Category 1 | 86 mph | 131 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1787 | SAN MARCOS | Earthquake | 4.0 m | 11 | 68 km |
| 1754 | S. MEXICO | Earthquake | 4.0 m | — | 148 km |
| 1957 | S. MEXICO | Earthquake | 1.3 m | 65 | 131 km |
| 1995 | S. MEXICO | Earthquake | 0.4 m | 3 | 88 km |
| 1950 | S. MEXICO | Earthquake | 0.3 m | — | 38 km |
| 2012 | S. MEXICO | Earthquake | 0.2 m | 2 | 40 km |
| 1928 | S. MEXICO | Earthquake | 0.2 m | 4 | 98 km |
| 1996 | MEXICO | Earthquake | 0.1 m | — | 51 km |
| 1968 | ACAPULCO | Earthquake | — | 18 | 20 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 0.2 in | |
| February | 75°F (24°C) | 0.1 in | Coldest, Driest |
| March | 78°F (25°C) | 0.1 in | |
| April | 80°F (27°C) | 0.2 in | |
| May | 82°F (28°C) | 3.0 in | Warmest |
| June | 80°F (27°C) | 10.0 in | |
| July | 81°F (27°C) | 10.0 in | |
| August | 79°F (26°C) | 12.0 in | |
| September | 79°F (26°C) | 13.5 in | Wettest |
| October | 78°F (26°C) | 5.9 in | |
| November | 77°F (25°C) | 0.8 in | |
| December | 75°F (24°C) | 0.2 in |
San Lorenzo has a seasonal temperature swing of 7°F / from 75°F in February to 82°F in May. Total annual precipitation is 56.0 inches, with September being the wettest month (13.5") and February the driest (0.1").