Santiago Undameo, Mexico

Full City Profile

1,455 Population 5/sq mi density

6,709 ft Elevation 2,045 meters

60°F Avg Temperature 16°C

Santiago Undameo enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 54°F in January while summers reach 62°F in July. The area gets 358 sunny days per year. Annual precipitation totals 33.9 inches. The area receives 0.0 inches of snow annually.

Temperature

54°F Jan (12°C) 62°F Jul (17°C)

Annual Average	59.9°F
	11% above US avg
January Average	54°F (12°C)
July Average	62°F (17°C)
Sunny Days	358 days/yr

Geography

Elevation	6,709 ft (2,045 m)
Area	299.8 sq mi (776.6 km²)
Population Density	5/sq mi
Coordinates	19.5950°N, 101.2845°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 33.9"

11% below US avg

Snowfall 0.0"

Wettest Month (Jul) 8.39"

Driest Month (Mar) 0.28"

Air Quality

Earthquake History

181 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.5. Most recent: M4.8 on May 22, 2025.

May 22, 1997	5 km ENE of Churumuco de Morelos, Mexico	M6.5	107 km
Jun 21, 1999	20 km E of Coahuayutla de Guerrero, Mexico	M6.3	144 km
Apr 20, 1998	17 km ENE of Aratichanguío, Mexico	M6.0	119 km
Jan 25, 1996	17 km WSW of Las Cañas, Mexico	M5.5	150 km
Apr 29, 2008	19 km W of Huetamo de Núñez, Mexico	M5.3	107 km
Jun 2, 2011	24 km N of Aratichanguío, Mexico	M5.3	101 km
Dec 20, 1995	15 km NW of Zirándaro de los Chávez, Mexico	M5.3	115 km
Aug 12, 2022	10 km E of Zirándaro de los Chávez, Mexico	M5.2	131 km
Jul 21, 2003	14 km W of Huetamo de Núñez, Mexico	M5.2	112 km
Jul 16, 2023	3 km W of Paso de Arena, Mexico	M5.1	150 km
Mar 3, 2019	6 km SW of Aratichanguío, Mexico	M5.1	129 km
Jun 16, 2019	16 km SW of Churumuco de Morelos, Mexico	M5.1	125 km
Oct 29, 1990	6 km NE of El Chauz, Mexico	M5.1	105 km
Sep 21, 2002	11 km ENE of Aratichanguío, Mexico	M5.0	119 km
May 16, 2003	1 km S of Guayameo, Mexico	M5.0	145 km
Mar 20, 2006	8 km W of Churumuco de Morelos, Mexico	M4.9	115 km
Mar 22, 2019	10 km SSE of Zirándaro de los Chávez, Mexico	M4.9	139 km
Feb 5, 2012	7 km ENE of Aratichanguío, Mexico	M4.8	121 km
Nov 17, 1991	21 km NW of Zirándaro de los Chávez, Mexico	M4.8	112 km
May 22, 2025	2 km WSW of Nueva Italia de Ruiz, Mexico	M4.8	108 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

10 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: John (2024).

Year	Name	Category	Closest
2024	John	Category 2	296 km
2023	Otis	Category 4	235 km
2023	Beatriz	Category 1	276 km
2021	Rick	Category 2	154 km
2011	Beatriz	Category 1	292 km
1996	Alma	Category 2	213 km
1996	Boris	Category 1	138 km
1996	Hernan	Category 1	268 km
1992	Virgil	Category 3	261 km
1984	Odile	Category 2	248 km

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

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Michoacan-Guanajuato (56 km).

Name	Type	Elevation	Last Eruption	Distance
Michoacan-Guanajuato	Pyroclastic cone(s)	3,860 m (12,664 ft)	1952	56 km
Zitacuaro-Valle de Bravo	Caldera	3,500 m (11,483 ft)	-3050	111 km
Toluca, Nevado de	Stratovolcano	4,680 m (15,354 ft)	-1350	169 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	54°F (12°C)	0.7 in	Coldest
February	58°F (15°C)	0.4 in
March	62°F (17°C)	0.3 in	Driest
April	65°F (19°C)	0.6 in
May	68°F (20°C)	1.9 in	Warmest
June	66°F (19°C)	6.5 in
July	62°F (17°C)	8.4 in	Wettest
August	63°F (17°C)	7.8 in
September	63°F (17°C)	6.7 in
October	61°F (16°C)	2.7 in
November	59°F (15°C)	0.7 in
December	57°F (14°C)	0.4 in

Santiago Undameo has a seasonal temperature swing of 14°F / from 54°F in January to 68°F in May. Total annual precipitation is 36.9 inches, with July being the wettest month (8.4") and March the driest (0.3").

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