Monte Alto, Mexico

Full City Profile

926 Population 2/sq mi density

102 ft Elevation 31 meters

80°F Avg Temperature 27°C

Monte Alto has a warm climate with an average annual temperature of 80°F (27°C). Winters average 78°F in January while summers reach 82°F in July. The area gets 244 sunny days per year. Annual precipitation totals 50.8 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (25°C) 82°F Jul (28°C)

Annual Average	80.3°F
	49% above US avg
January Average	78°F (25°C)
July Average	82°F (28°C)
Sunny Days	244 days/yr

Geography

Elevation	102 ft (31 m)
Area	484.4 sq mi (1,254.6 km²)
Population Density	2/sq mi
Coordinates	16.7176°N, 99.4648°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 50.8"

34% above US avg

Snowfall 0.0"

Wettest Month (Sep) 12.48"

Driest Month (Mar) 0.08"

Air Quality

Earthquake History

3,237 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.4. Most recent: M4.3 on Jul 24, 2025.

Mar 20, 2012	6 km E of Santiago Llano Grande, Mexico	M7.4	134 km
Sep 14, 1995	5 km N of Azoyú, Mexico	M7.4	93 km
Jul 19, 1997	4 km ENE of El Ciruelo, Mexico	M6.9	140 km
Oct 24, 1993	1 km ENE of Jolotichán, Mexico	M6.7	80 km
May 8, 2014	3 km NNE of Nuxco, Mexico	M6.4	148 km
Aug 21, 2013	5 km ESE of Barrio Nuevo de los Muertos, Mexico	M6.2	18 km
May 15, 1993	1 km ENE of Ometepec, Mexico	M6.1	114 km
Apr 2, 2012	7 km SSW of Santa María Cortijo, Mexico	M6.0	128 km
Dec 16, 1997	46 km SSW of Barra de Tecoanapa, Mexico	M6.0	94 km
May 31, 1990	7 km NE of Nuxco, Mexico	M6.0	145 km
Apr 13, 2007	5 km SE of El Paraíso, Mexico	M6.0	102 km
May 15, 1993	2 km SSW of Ometepec, Mexico	M6.0	112 km
Nov 13, 1993	18 km SW of Montecillos, Mexico	M6.0	100 km
Oct 8, 2001	3 km WSW of Tixtlancingo, Mexico	M5.9	67 km
Apr 28, 2008	21 km WNW of Tlacotepec, Mexico	M5.8	146 km
Apr 27, 2009	2 km WNW of Pochotillo, Mexico	M5.8	35 km
Mar 10, 2014	26 km SW of Corralero, Mexico	M5.8	142 km
Apr 1, 1991	11 km SW of Corralero, Mexico	M5.8	140 km
Mar 20, 2021	6 km NNW of Marquelia, Mexico	M5.7	67 km
May 5, 2011	2 km SE of Cuanacaxtitlán, Mexico	M5.7	91 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	46 km
2024	John	Category 3	27 km
2023	Otis	Category 5	36 km
2023	Beatriz	Category 1	249 km
2022	Agatha	Category 2	283 km
2021	Rick	Category 2	214 km
2017	Max	Category 1	31 km
2015	Marty	Category 1	282 km
2015	Carlos	Category 1	120 km
2013	Raymond	Category 3	253 km
2012	Carlotta	Category 2	169 km
2011	Hilary	Category 4	119 km
2006	John	Category 4	206 km
2001	Adolph	Category 4	281 km
2000	Carlotta	Category 2	259 km
1998	Lester	Category 2	280 km
1997	Pauline	Category 3	40 km
1997	Rick	Category 2	138 km
1996	Douglas	Category 2	287 km
1996	Boris	Category 1	120 km

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

Tsunami History

16 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1820	S. MEXICO	Earthquake	4.0 m	—	56 km
1787	SAN MARCOS	Earthquake	4.0 m	11	106 km
1754	S. MEXICO	Earthquake	4.0 m	—	30 km
1732	S. MEXICO	Earthquake	3.0 m	—	47 km
1907	S. MEXICO	Earthquake	2.0 m	8	65 km
1957	S. MEXICO	Earthquake	1.3 m	65	46 km
1962	S. MEXICO	Earthquake	0.8 m	4	56 km
2021	S. MEXICO	Earthquake	0.5 m	3	44 km
1995	S. MEXICO	Earthquake	0.4 m	3	93 km
1962	S. MEXICO	Earthquake	0.3 m	3	54 km
1950	S. MEXICO	Earthquake	0.3 m	—	135 km
2012	S. MEXICO	Earthquake	0.2 m	2	134 km
2026	ACAPULCO	Earthquake	0.1 m	2	27 km
1868	S. MEXICO	Earthquake	—	—	47 km
1845	S. MEXICO	Earthquake	—	—	125 km
1833	S. MEXICO	Earthquake	—	—	47 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	78°F (25°C)	0.5 in	Coldest
February	78°F (26°C)	0.2 in
March	79°F (26°C)	0.1 in	Driest
April	81°F (27°C)	0.1 in
May	83°F (28°C)	1.5 in	Warmest
June	82°F (28°C)	10.4 in
July	82°F (28°C)	9.0 in
August	82°F (28°C)	10.0 in
September	81°F (27°C)	12.5 in	Wettest
October	81°F (27°C)	5.5 in
November	80°F (27°C)	0.9 in
December	78°F (26°C)	0.3 in

Monte Alto has a seasonal temperature swing of 5°F / from 78°F in January to 83°F in May. Total annual precipitation is 50.8 inches, with September being the wettest month (12.5") and March the driest (0.1").

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