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Weather & Climate in San Gregorio, Mexico
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Gregorio enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 60°F in January while summers reach 64°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 32.9 inches. The city sits at an elevation of 5,085 feet.
Temperature
60°F Jan (16°C)
64°F Jul (18°C)
| Annual Average | 64.0°F |
| 19% above US avg | |
| January Average | 60°F (16°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 358 days/yr |
Geography
| Elevation | 5,085 ft (1,550 m) |
| Area | 340.0 sq mi (880.7 km²) |
| Population Density | 3/sq mi |
| Coordinates | 18.6297°N, 99.5939°W |
| Timezone | America/Mexico_City |
Precipitation & Snow
Air Quality
Earthquake History
432 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.1.
| Sep 19, 2017 | 1 km S of Matzaco, Mexico | M7.1 | 117 km | 48 km |
| May 23, 1994 | 4 km W of San Cristóbal, Mexico | M6.3 | 111 km | 55 km |
| Nov 15, 2012 | 8 km N of San José Poliutla, Mexico | M6.1 | 89 km | 53 km |
| Jul 21, 2000 | 12 km NW of Jolalpan, Mexico | M5.9 | 75 km | 80 km |
| Apr 28, 2008 | 21 km WNW of Tlacotepec, Mexico | M5.8 | 106 km | 57 km |
| Jun 16, 2013 | 5 km N of Tequicuilco, Mexico | M5.8 | 67 km | 52 km |
| May 22, 2009 | 3 km E of Chila de la Sal, Mexico | M5.6 | 133 km | 62 km |
| Aug 15, 2009 | 3 km NE of San Miguel Totolapan, Mexico | M5.5 | 95 km | 57 km |
| Mar 20, 2015 | 3 km SSE of Xicotlán, Mexico | M5.4 | 132 km | 52 km |
| Feb 20, 2006 | 15 km SE of Patambó, Mexico | M5.2 | 134 km | 51 km |
| Aug 12, 2022 | 10 km E of Zirándaro de los Chávez, Mexico | M5.2 | 137 km | 72 km |
| Jul 28, 2007 | 19 km S of Patambó, Mexico | M5.1 | 147 km | 49 km |
| Jul 16, 2023 | 3 km W of Paso de Arena, Mexico | M5.1 | 140 km | 63 km |
| Feb 28, 2025 | 3 km NE of Pololcingo, Mexico | M5.0 | 44 km | 65 km |
| May 8, 1997 | 9 km S of Pueblo Viejo, Mexico | M5.0 | 143 km | 38 km |
| May 16, 2018 | Guerrero-Michoacan border region, Mexico | M5.0 | 105 km | 51 km |
| May 20, 2014 | 20 km WSW of Apaxtla de Castrejón, Mexico | M4.9 | 85 km | 54 km |
| Jul 19, 1993 | 4 km W of San Antonio del Rosario, Mexico | M4.9 | 84 km | 56 km |
| Sep 26, 2024 | 9 km SSW of San Miguel Totolapan, Mexico | M4.9 | 106 km | 67 km |
| Mar 22, 2019 | 10 km SSE of Zirándaro de los Chávez, Mexico | M4.9 | 144 km | 77 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
13 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Erick | Category 3 | 127 mph | 173 km |
| 2024 | John | Category 3 | 121 mph | 150 km |
| 2023 | Otis | Category 5 | 167 mph | 128 km |
| 2021 | Grace | Category 3 | 121 mph | 287 km |
| 2021 | Rick | Category 2 | 104 mph | 267 km |
| 2017 | Max | Category 1 | 92 mph | 227 km |
| 2015 | Carlos | Category 1 | 75 mph | 274 km |
| 2012 | Carlotta | Category 1 | 81 mph | 297 km |
| 2010 | Karl | Category 1 | — | 296 km |
| 1997 | Pauline | Category 2 | 109 mph | 182 km |
| 1996 | Boris | Category 1 | 92 mph | 232 km |
| 1989 | Cosme | Category 1 | 81 mph | 202 km |
| 1984 | Odile | Category 2 | 104 mph | 274 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Toluca, Nevado de (56 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Toluca, Nevado de | Stratovolcano | 4,680 m (15,354 ft) | -1350 | 56 km |
| Chichinautzin | Volcanic field | 3,930 m (12,894 ft) | 400 | 70 km |
| Zitacuaro-Valle de Bravo | Caldera | 3,500 m (11,483 ft) | -3050 | 110 km |
| Popocatepetl | Stratovolcano(es) | 5,393 m (17,694 ft) | 2020 | 111 km |
| Iztaccihuatl | Stratovolcano | 5,230 m (17,159 ft) | Unknown | 117 km |
| Papayo | Lava dome | 3,600 m (11,811 ft) | Unknown | 121 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 60°F (16°C) | 0.4 in | Coldest |
| February | 66°F (19°C) | 0.3 in | |
| March | 69°F (21°C) | 0.2 in | Driest |
| April | 72°F (22°C) | 0.7 in | |
| May | 73°F (23°C) | 3.2 in | Warmest |
| June | 70°F (21°C) | 9.3 in | Wettest |
| July | 64°F (18°C) | 8.7 in | |
| August | 69°F (20°C) | 8.5 in | |
| September | 68°F (20°C) | 8.7 in | |
| October | 67°F (20°C) | 3.2 in | |
| November | 66°F (19°C) | 0.7 in | |
| December | 64°F (18°C) | 0.3 in |
San Gregorio has a seasonal temperature swing of 13°F / from 60°F in January to 73°F in May. Total annual precipitation is 44.3 inches, with June being the wettest month (9.3") and March the driest (0.2").