Constancia del Rosario, Mexico

Full City Profile

1,205 Population 2/sq mi density

2,503 ft Elevation 763 meters

70°F Avg Temperature 21°C

Constancia del Rosario enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 68°F in January while summers reach 70°F in July. The area gets 359 sunny days per year. Annual precipitation totals 107.9 inches. The area receives 0.0 inches of snow annually.

Temperature

68°F Jan (20°C) 70°F Jul (21°C)

Annual Average	70.3°F
	30% above US avg
January Average	68°F (20°C)
July Average	70°F (21°C)
Sunny Days	359 days/yr

Geography

Elevation	2,503 ft (763 m)
Area	498.0 sq mi (1,289.9 km²)
Population Density	2/sq mi
Coordinates	17.0382°N, 97.9411°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 107.9"

184% above US avg

Snowfall 0.0"

Wettest Month (Sep) 12.60"

Driest Month (Feb) 0.28"

Air Quality

Earthquake History

2,175 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.4. Most recent: M4.4 on Aug 21, 2025.

Sep 14, 1995	5 km N of Azoyú, Mexico	M7.4	76 km
Mar 20, 2012	6 km E of Santiago Llano Grande, Mexico	M7.4	68 km
Feb 16, 2018	4 km S of Pinotepa de Don Luis, Mexico	M7.2	73 km
Feb 25, 1996	24 km SSW of Santa María Chico Ometepec, Mexico	M7.1	119 km
Jul 19, 1997	4 km ENE of El Ciruelo, Mexico	M6.9	84 km
Oct 24, 1993	1 km ENE of Jolotichán, Mexico	M6.7	88 km
Jun 30, 2010	2 km ESE of San Agustín Chayuco, Mexico	M6.3	73 km
Feb 25, 1996	7 km SE of Santa María Chico Ometepec, Mexico	M6.2	102 km
May 15, 1993	1 km ENE of Ometepec, Mexico	M6.1	61 km
May 15, 1993	2 km SSW of Ometepec, Mexico	M6.0	65 km
Dec 16, 1997	46 km SSW of Barra de Tecoanapa, Mexico	M6.0	142 km
Nov 13, 1993	18 km SW of Montecillos, Mexico	M6.0	112 km
Apr 2, 2012	7 km SSW of Santa María Cortijo, Mexico	M6.0	82 km
Feb 19, 2018	4 km SSE of Santiago Tetepec, Mexico	M5.9	87 km
Mar 19, 1996	21 km WSW of Bajos de Chila, Mexico	M5.9	149 km
Jun 14, 2004	0 km W of Santa Catarina Mechoacán, Mexico	M5.9	79 km
Feb 17, 2018	8 km SE of José María Morelos, Mexico	M5.8	99 km
Mar 10, 2014	26 km SW of Corralero, Mexico	M5.8	119 km
May 8, 2016	3 km WNW of San Agustín Chayuco, Mexico	M5.8	71 km
Apr 1, 1991	11 km SW of Corralero, Mexico	M5.8	103 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	86 km
2024	John	Category 3	113 km
2023	Otis	Category 5	201 km
2022	Agatha	Category 2	206 km
2017	Max	Category 1	109 km
2015	Carlos	Category 1	277 km
2012	Carlotta	Category 2	60 km
2011	Hilary	Category 3	231 km
2010	Karl	Category 3	240 km
1998	Lester	Category 2	286 km
1997	Pauline	Category 4	81 km
1997	Rick	Category 2	146 km
1996	Boris	Category 1	272 km
1989	Cosme	Category 1	114 km

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

Tsunami History

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

Year	Location	Cause	Max Wave	Deaths	Distance
1787	SAN MARCOS	Earthquake	4.0 m	11	84 km
1754	S. MEXICO	Earthquake	4.0 m	—	137 km
1957	S. MEXICO	Earthquake	1.3 m	65	137 km
1995	S. MEXICO	Earthquake	0.4 m	3	76 km
1950	S. MEXICO	Earthquake	0.3 m	—	69 km
2012	S. MEXICO	Earthquake	0.2 m	2	68 km
1928	S. MEXICO	Earthquake	0.2 m	4	148 km
1996	MEXICO	Earthquake	0.1 m	—	119 km
2026	ACAPULCO	Earthquake	0.1 m	2	146 km
1968	ACAPULCO	Earthquake	—	18	62 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	68°F (20°C)	0.3 in	Coldest
February	69°F (20°C)	0.3 in	Driest
March	72°F (22°C)	0.3 in
April	74°F (24°C)	0.7 in
May	76°F (24°C)	3.6 in	Warmest
June	75°F (24°C)	11.4 in
July	70°F (21°C)	10.6 in
August	74°F (23°C)	11.0 in
September	73°F (23°C)	12.6 in	Wettest
October	72°F (22°C)	5.4 in
November	70°F (21°C)	1.0 in
December	68°F (20°C)	0.4 in

Constancia del Rosario has a seasonal temperature swing of 8°F / from 68°F in January to 76°F in May. Total annual precipitation is 57.6 inches, with September being the wettest month (12.6") and February the driest (0.3").

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