San Simón el Alto, Mexico

Full City Profile

2,643 Population 25/sq mi density

7,913 ft Elevation 2,412 meters

58°F Avg Temperature 14°C

San Simón el Alto enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 52°F in January while summers reach 59°F in July. The area gets 358 sunny days per year. Annual precipitation totals 42.4 inches. The area receives 0.0 inches of snow annually.

Temperature

52°F Jan (11°C) 59°F Jul (15°C)

Annual Average	57.7°F
	7% above US avg
January Average	52°F (11°C)
July Average	59°F (15°C)
Sunny Days	358 days/yr

Geography

Elevation	7,913 ft (2,412 m)
Area	105.9 sq mi (274.2 km²)
Population Density	25/sq mi
Coordinates	18.9965°N, 99.5034°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 42.4"

12% above US avg

Snowfall 0.0"

Wettest Month (Jun) 8.70"

Driest Month (Dec) 0.24"

Air Quality

Earthquake History

336 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M5.0 on Feb 28, 2025.

Sep 19, 2017	1 km S of Matzaco, Mexico	M7.1	118 km
May 23, 1994	4 km W of San Cristóbal, Mexico	M6.3	142 km
Nov 15, 2012	8 km N of San José Poliutla, Mexico	M6.1	118 km
Jul 21, 2000	12 km NW of Jolalpan, Mexico	M5.9	90 km
Jun 16, 2013	5 km N of Tequicuilco, Mexico	M5.8	99 km
Apr 28, 2008	21 km WNW of Tlacotepec, Mexico	M5.8	146 km
May 22, 2009	3 km E of Chila de la Sal, Mexico	M5.6	148 km
Aug 15, 2009	3 km NE of San Miguel Totolapan, Mexico	M5.5	128 km
Mar 20, 2015	3 km SSE of Xicotlán, Mexico	M5.4	150 km
Feb 28, 2025	3 km NE of Pololcingo, Mexico	M5.0	79 km
May 16, 2018	Guerrero-Michoacan border region, Mexico	M5.0	135 km
Sep 26, 2024	9 km SSW of San Miguel Totolapan, Mexico	M4.9	140 km
Jul 19, 1993	4 km W of San Antonio del Rosario, Mexico	M4.9	111 km
May 20, 2014	20 km WSW of Apaxtla de Castrejón, Mexico	M4.9	124 km
Aug 29, 1993	3 km NNE of Querendas, Mexico	M4.8	136 km
Dec 14, 1999	5 km NW of Xicotlán, Mexico	M4.8	141 km
Jun 22, 2017	4 km ENE of Tlacotepec, Mexico	M4.7	141 km
May 26, 2005	7 km ESE of Cocula, Mexico	M4.7	87 km
Feb 22, 2024	21 km S of Valle Luz, Mexico	M4.7	149 km
Apr 22, 1994	7 km ESE of Palmar Chico, Mexico	M4.6	92 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	212 km
2024	John	Category 3	191 km
2023	Otis	Category 5	167 km
2021	Grace	Category 3	252 km
2021	Rick	Category 2	290 km
2017	Max	Category 1	263 km
2010	Karl	Category 1	285 km
2007	Dean	Category 2	285 km
1997	Pauline	Category 2	223 km
1996	Boris	Category 1	262 km
1993	Gert	Category 2	266 km
1989	Cosme	Category 1	239 km
1988	Debby	Category 1	298 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Toluca, Nevado de (30 km).

Name	Type	Elevation	Last Eruption	Distance
Toluca, Nevado de	Stratovolcano	4,680 m (15,354 ft)	-1350	30 km
Chichinautzin	Volcanic field	3,930 m (12,894 ft)	400	40 km
Zitacuaro-Valle de Bravo	Caldera	3,500 m (11,483 ft)	-3050	90 km
Papayo	Lava dome	3,600 m (11,811 ft)	Unknown	91 km
Popocatepetl	Stratovolcano(es)	5,393 m (17,694 ft)	2020	93 km
Iztaccihuatl	Stratovolcano	5,230 m (17,159 ft)	Unknown	93 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	52°F (11°C)	0.6 in	Coldest
February	60°F (16°C)	0.3 in
March	64°F (18°C)	0.4 in
April	66°F (19°C)	1.0 in
May	67°F (20°C)	3.2 in	Warmest
June	65°F (18°C)	8.7 in	Wettest
July	59°F (15°C)	8.7 in
August	64°F (18°C)	8.7 in
September	63°F (17°C)	8.7 in
October	62°F (17°C)	2.9 in
November	61°F (16°C)	0.7 in
December	59°F (15°C)	0.2 in	Driest

San Simón el Alto has a seasonal temperature swing of 15°F / from 52°F in January to 67°F in May. Total annual precipitation is 44.0 inches, with June being the wettest month (8.7") and December the driest (0.2").

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