San Gregorio, Mexico

Full City Profile

1,089 Population 3/sq mi density

5,085 ft Elevation 1,550 meters

64°F Avg Temperature 18°C

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. The area gets 358 sunny days per year. Annual precipitation totals 32.9 inches. The area receives 0.0 inches of snow annually.

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

Annual Rainfall 32.9"

14% below US avg

Snowfall 0.0"

Wettest Month (Jun) 9.25"

Driest Month (Mar) 0.24"

Air Quality

Earthquake History

432 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M4.4 on Jun 12, 2025.

Sep 19, 2017	1 km S of Matzaco, Mexico	M7.1	117 km
May 23, 1994	4 km W of San Cristóbal, Mexico	M6.3	111 km
Nov 15, 2012	8 km N of San José Poliutla, Mexico	M6.1	89 km
Jul 21, 2000	12 km NW of Jolalpan, Mexico	M5.9	75 km
Apr 28, 2008	21 km WNW of Tlacotepec, Mexico	M5.8	106 km
Jun 16, 2013	5 km N of Tequicuilco, Mexico	M5.8	67 km
May 22, 2009	3 km E of Chila de la Sal, Mexico	M5.6	133 km
Aug 15, 2009	3 km NE of San Miguel Totolapan, Mexico	M5.5	95 km
Mar 20, 2015	3 km SSE of Xicotlán, Mexico	M5.4	132 km
Feb 20, 2006	15 km SE of Patambó, Mexico	M5.2	134 km
Aug 12, 2022	10 km E of Zirándaro de los Chávez, Mexico	M5.2	137 km
Jul 28, 2007	19 km S of Patambó, Mexico	M5.1	147 km
Jul 16, 2023	3 km W of Paso de Arena, Mexico	M5.1	140 km
Feb 28, 2025	3 km NE of Pololcingo, Mexico	M5.0	44 km
May 8, 1997	9 km S of Pueblo Viejo, Mexico	M5.0	143 km
May 16, 2018	Guerrero-Michoacan border region, Mexico	M5.0	105 km
May 20, 2014	20 km WSW of Apaxtla de Castrejón, Mexico	M4.9	85 km
Jul 19, 1993	4 km W of San Antonio del Rosario, Mexico	M4.9	84 km
Sep 26, 2024	9 km SSW of San Miguel Totolapan, Mexico	M4.9	106 km
Mar 22, 2019	10 km SSE of Zirándaro de los Chávez, Mexico	M4.9	144 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

13 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Erick (2025).

Year	Name	Category	Closest
2025	Erick	Category 3	173 km
2024	John	Category 3	150 km
2023	Otis	Category 5	128 km
2021	Grace	Category 3	287 km
2021	Rick	Category 2	267 km
2017	Max	Category 1	227 km
2015	Carlos	Category 1	274 km
2012	Carlotta	Category 1	297 km
2010	Karl	Category 1	296 km
1997	Pauline	Category 2	182 km
1996	Boris	Category 1	232 km
1989	Cosme	Category 1	202 km
1984	Odile	Category 2	274 km

Source: NOAA IBTrACS (Cat 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). Sorted by distance.

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").

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