San Isidro Monjas, Mexico

Full City Profile

1,584 Population 64/sq mi density

5,066 ft Elevation 1,544 meters

68°F Avg Temperature 20°C

San Isidro Monjas enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 64°F in January while summers reach 68°F in July. The area gets 362 sunny days per year. Annual precipitation totals 22.1 inches. The area receives 0.0 inches of snow annually.

Temperature

64°F Jan (18°C) 68°F Jul (20°C)

Annual Average	68.1°F
	26% above US avg
January Average	64°F (18°C)
July Average	68°F (20°C)
Sunny Days	362 days/yr

Geography

Elevation	5,066 ft (1,544 m)
Area	24.8 sq mi (64.3 km²)
Population Density	64/sq mi
Coordinates	17.0017°N, 96.7486°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 22.1"

42% below US avg

Snowfall 0.0"

Wettest Month (Jun) 5.71"

Driest Month (Jan) 0.12"

Air Quality

Earthquake History

1,054 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	147 km
Feb 16, 2018	4 km S of Pinotepa de Don Luis, Mexico	M7.2	148 km
Feb 3, 1998	2 km E of Benito Juárez, Mexico	M6.4	133 km
Jul 29, 2014	2 km SE of Santa Teresa, Mexico	M6.3	139 km
Jun 30, 2010	2 km ESE of San Agustín Chayuco, Mexico	M6.3	129 km
Jun 14, 2004	0 km W of Santa Catarina Mechoacán, Mexico	M5.9	138 km
Mar 19, 1996	21 km WSW of Bajos de Chila, Mexico	M5.9	141 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	132 km
Aug 2, 2025	4 km S of Xagacía, Mexico	M5.8	53 km
Feb 23, 1994	12 km W of San Juan de los Cues, Mexico	M5.8	125 km
May 8, 2016	3 km WNW of San Agustín Chayuco, Mexico	M5.8	134 km
Jun 27, 2016	8 km S of La Reforma, Mexico	M5.7	126 km
Feb 9, 2010	8 km E of Santa María Colotepec, Mexico	M5.7	124 km
Mar 15, 2025	5 km W of San Pedro Tidaá, Mexico	M5.6	81 km
Aug 28, 1994	6 km N of San Pedro Ocotepec, Mexico	M5.6	96 km
Jun 7, 2002	4 km N of Santa Catarina Loxicha, Mexico	M5.6	100 km
May 25, 2022	12 km WNW of Santa María Zapotitlán, Mexico	M5.5	125 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	118 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	173 km
2024	John	Category 3	232 km
2022	Agatha	Category 2	128 km
2017	Max	Category 1	231 km
2012	Carlotta	Category 2	116 km
2011	Hilary	Category 2	298 km
2010	Karl	Category 3	211 km
2005	Stan	Category 1	264 km
1998	Lester	Category 2	278 km
1997	Pauline	Category 4	144 km
1997	Rick	Category 2	124 km
1989	Cosme	Category 1	240 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	147 km
1965	MEXICO	Earthquake	0.4 m	6	128 km
2022	S. MEXICO	Earthquake	0.2 m	—	125 km
1928	S. MEXICO	Earthquake	0.2 m	4	113 km
1968	ACAPULCO	Earthquake	—	18	118 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	64°F (18°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	68°F (20°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

San Isidro Monjas has a seasonal temperature swing of 9°F / from 64°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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