Lomas de San Juan, Mexico

Full City Profile

2,377 Population 3/sq mi density

531 ft Elevation 162 meters

80°F Avg Temperature 27°C

Lomas de San Juan has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 82°F in July. The area gets 353 sunny days per year. Annual precipitation totals 48.7 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 82°F Jul (28°C)

Annual Average	80.1°F
	48% above US avg
January Average	77°F (25°C)
July Average	82°F (28°C)
Sunny Days	353 days/yr

Geography

Elevation	531 ft (162 m)
Area	865.1 sq mi (2,240.7 km²)
Population Density	3/sq mi
Coordinates	16.9847°N, 99.8038°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 48.7"

28% above US avg

Snowfall 0.0"

Wettest Month (Sep) 11.85"

Driest Month (Mar) 0.08"

Air Quality

Earthquake History

2,620 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.4. Most recent: M4.3 on Jul 24, 2025.

Sep 14, 1995	5 km N of Azoyú, Mexico	M7.4	130 km
Apr 18, 2014	9 km ENE of Coyuquilla Norte, Mexico	M7.2	132 km
Jul 15, 1996	26 km NNE of Coyuquilla Norte, Mexico	M6.8	141 km
Apr 18, 2002	27 km SSW of Nuxco, Mexico	M6.8	113 km
Oct 24, 1993	1 km ENE of Jolotichán, Mexico	M6.7	118 km
May 8, 2014	3 km NNE of Nuxco, Mexico	M6.4	104 km
Aug 21, 2013	5 km ESE of Barrio Nuevo de los Muertos, Mexico	M6.2	35 km
Apr 13, 2007	5 km SE of El Paraíso, Mexico	M6.0	55 km
Dec 16, 1997	46 km SSW of Barra de Tecoanapa, Mexico	M6.0	141 km
Nov 13, 1993	18 km SW of Montecillos, Mexico	M6.0	146 km
May 10, 2014	6 km W of Nuxco, Mexico	M6.0	110 km
May 31, 1990	7 km NE of Nuxco, Mexico	M6.0	101 km
Oct 8, 2001	3 km WSW of Tixtlancingo, Mexico	M5.9	22 km
Jun 16, 2013	5 km N of Tequicuilco, Mexico	M5.8	145 km
Apr 27, 2009	2 km WNW of Pochotillo, Mexico	M5.8	38 km
Apr 28, 2008	21 km WNW of Tlacotepec, Mexico	M5.8	103 km
Mar 20, 2021	6 km NNW of Marquelia, Mexico	M5.7	110 km
May 5, 2011	2 km SE of Cuanacaxtitlán, Mexico	M5.7	128 km
May 11, 1990	7 km NW of El Súchil, Mexico	M5.6	99 km
Mar 31, 1993	6 km NNW of San Luis de La Loma, Mexico	M5.5	123 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	55 km
2024	John	Category 3	35 km
2023	Otis	Category 5	23 km
2023	Beatriz	Category 1	213 km
2021	Rick	Category 2	189 km
2017	Max	Category 1	55 km
2015	Marty	Category 1	250 km
2015	Carlos	Category 1	115 km
2013	Raymond	Category 3	226 km
2012	Carlotta	Category 1	210 km
2011	Hilary	Category 4	132 km
2006	John	Category 4	214 km
2001	Adolph	Category 4	295 km
2000	Carlotta	Category 3	280 km
1997	Rick	Category 2	177 km
1997	Pauline	Category 2	11 km
1996	Alma	Category 2	298 km
1996	Hernan	Category 1	266 km
1996	Boris	Category 1	114 km
1993	Lidia	Category 2	291 km

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

Tsunami History

17 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	—	32 km
1787	SAN MARCOS	Earthquake	4.0 m	11	149 km
1754	S. MEXICO	Earthquake	4.0 m	—	67 km
1732	S. MEXICO	Earthquake	3.0 m	—	23 km
1907	S. MEXICO	Earthquake	2.0 m	8	21 km
1957	S. MEXICO	Earthquake	1.3 m	65	92 km
1962	S. MEXICO	Earthquake	0.8 m	4	32 km
2021	S. MEXICO	Earthquake	0.5 m	3	3 km
2014	S. MEXICO	Earthquake	0.4 m	—	132 km
1995	S. MEXICO	Earthquake	0.4 m	3	130 km
1962	S. MEXICO	Earthquake	0.3 m	3	40 km
2026	ACAPULCO	Earthquake	0.1 m	2	54 km
2002	S. MEXICO	Earthquake	—	—	113 km
1933	MEXICO	Earthquake	—	—	126 km
1868	S. MEXICO	Earthquake	—	—	23 km
1845	S. MEXICO	Earthquake	—	—	85 km
1833	S. MEXICO	Earthquake	—	—	23 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	77°F (25°C)	0.4 in	Coldest
February	78°F (26°C)	0.2 in
March	80°F (27°C)	0.1 in	Driest
April	81°F (27°C)	0.2 in
May	83°F (28°C)	1.2 in	Warmest
June	82°F (28°C)	10.9 in
July	82°F (28°C)	9.5 in
August	81°F (27°C)	11.4 in
September	81°F (27°C)	11.9 in	Wettest
October	81°F (27°C)	5.0 in
November	80°F (27°C)	0.8 in
December	79°F (26°C)	0.3 in

Lomas de San Juan has a seasonal temperature swing of 6°F / from 77°F in January to 83°F in May. Total annual precipitation is 51.8 inches, with September being the wettest month (11.9") and March the driest (0.1").

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