Lomas de San Juan, Mexico

Full City Profile

901 Population 30/sq mi density

5,207 ft Elevation 1,587 meters

59°F Avg Temperature 15°C

Lomas de San Juan enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 55°F in January while summers reach 60°F in July. The area gets 360 sunny days per year. Annual precipitation totals 40.0 inches. The area receives 0.0 inches of snow annually.

Temperature

55°F Jan (13°C) 60°F Jul (16°C)

Annual Average	59.3°F
	10% above US avg
January Average	55°F (13°C)
July Average	60°F (16°C)
Sunny Days	360 days/yr

Geography

Elevation	5,207 ft (1,587 m)
Area	30.0 sq mi (77.6 km²)
Population Density	30/sq mi
Coordinates	17.0044°N, 96.7658°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 40.0"

5% above US avg

Snowfall 0.0"

Wettest Month (Jun) 5.71"

Driest Month (Jan) 0.12"

Air Quality

Earthquake History

1,051 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.5. Most recent: M4.4 on Aug 21, 2025.

Sep 30, 1999	15 km W of San Baltazar Loxicha, Mexico	M7.5	107 km
Jun 23, 2020	9 km SE of Santa María Xadani, Mexico	M7.4	148 km
Feb 16, 2018	4 km S of Pinotepa de Don Luis, Mexico	M7.2	146 km
Feb 3, 1998	2 km E of Benito Juárez, Mexico	M6.4	134 km
Jun 30, 2010	2 km ESE of San Agustín Chayuco, Mexico	M6.3	128 km
Jul 29, 2014	2 km SE of Santa Teresa, Mexico	M6.3	140 km
Jun 14, 2004	0 km W of Santa Catarina Mechoacán, Mexico	M5.9	137 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	130 km
Mar 19, 1996	21 km WSW of Bajos de Chila, Mexico	M5.9	141 km
Aug 2, 2025	4 km S of Xagacía, Mexico	M5.8	55 km
May 8, 2016	3 km WNW of San Agustín Chayuco, Mexico	M5.8	132 km
Feb 23, 1994	12 km W of San Juan de los Cues, Mexico	M5.8	124 km
Jun 27, 2016	8 km S of La Reforma, Mexico	M5.7	124 km
Feb 9, 2010	8 km E of Santa María Colotepec, Mexico	M5.7	124 km
Aug 28, 1994	6 km N of San Pedro Ocotepec, Mexico	M5.6	98 km
Mar 15, 2025	5 km W of San Pedro Tidaá, Mexico	M5.6	79 km
Jun 7, 2002	4 km N of Santa Catarina Loxicha, Mexico	M5.6	100 km
Jan 13, 2004	15 km SSW of San Jerónimo Coatlán, Mexico	M5.5	101 km
Apr 10, 2016	5 km ESE of Santa Cruz Ozolotepec, Mexico	M5.5	119 km
May 25, 2022	12 km WNW of Santa María Zapotitlán, Mexico	M5.5	127 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

12 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Erick (2025).

Year	Name	Category	Closest
2025	Erick	Category 4	172 km
2024	John	Category 3	231 km
2022	Agatha	Category 2	129 km
2017	Max	Category 1	230 km
2012	Carlotta	Category 2	116 km
2011	Hilary	Category 2	297 km
2010	Karl	Category 3	211 km
2005	Stan	Category 1	266 km
1998	Lester	Category 2	279 km
1997	Pauline	Category 4	143 km
1997	Rick	Category 2	124 km
1989	Cosme	Category 1	238 km

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

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 1.6 m (5 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
2020	OFF COAST OF OAXACA	Earthquake	1.6 m	10	148 km
1965	MEXICO	Earthquake	0.4 m	6	129 km
2022	S. MEXICO	Earthquake	0.2 m	—	127 km
1928	S. MEXICO	Earthquake	0.2 m	4	112 km
1968	ACAPULCO	Earthquake	—	18	117 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	55°F (13°C)	0.1 in	Coldest, Driest
February	67°F (19°C)	0.2 in
March	70°F (21°C)	0.4 in
April	72°F (22°C)	1.2 in
May	73°F (23°C)	3.0 in	Warmest
June	71°F (22°C)	5.7 in	Wettest
July	60°F (16°C)	4.1 in
August	70°F (21°C)	4.3 in
September	70°F (21°C)	4.9 in
October	69°F (20°C)	1.9 in
November	67°F (19°C)	0.5 in
December	65°F (18°C)	0.2 in

Lomas de San Juan has a seasonal temperature swing of 18°F / from 55°F in January to 73°F in May. Total annual precipitation is 26.7 inches, with June being the wettest month (5.7") and January the driest (0.1").

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