San Juan Mazatlán, Mexico

Full City Profile

1,787 Population 4/sq mi density

1,752 ft Elevation 534 meters

76°F Avg Temperature 24°C

San Juan Mazatlán has a warm climate with an average annual temperature of 76°F (24°C). Winters average 71°F in January while summers reach 77°F in July. The area gets 210 sunny days per year. Annual precipitation totals 76.7 inches. The area receives 0.0 inches of snow annually.

Temperature

71°F Jan (22°C) 77°F Jul (25°C)

Annual Average	75.5°F
	40% above US avg
January Average	71°F (22°C)
July Average	77°F (25°C)
Sunny Days	210 days/yr

Geography

Elevation	1,752 ft (534 m)
Area	447.9 sq mi (1,160.2 km²)
Population Density	4/sq mi
Coordinates	17.0299°N, 95.4461°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 76.7"

102% above US avg

Snowfall 0.0"

Wettest Month (Jul) 16.65"

Driest Month (Apr) 0.98"

Air Quality

Earthquake History

1,920 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.4. Most recent: M4.0 on Aug 20, 2025.

Jun 23, 2020	9 km SE of Santa María Xadani, Mexico	M7.4	141 km
Apr 7, 2011	7 km SW of Helio García Alfaro, Mexico	M6.6	119 km
Feb 12, 2008	9 km SSW of General Pascual Fentes, Mexico	M6.5	143 km
Jul 29, 2014	2 km SE of Santa Teresa, Mexico	M6.3	76 km
Sep 23, 2017	7 km NNE of Ixtepec, Mexico	M6.1	60 km
Jan 30, 2002	5 km SSW of Tuxtilla, Mexico	M5.9	138 km
Aug 18, 2004	8 km E of Juchitán de Zaragoza, Mexico	M5.9	86 km
Aug 7, 2004	17 km WNW of Palomares, Mexico	M5.9	31 km
Jan 5, 2020	3 km W of Reforma de Pineda, Mexico	M5.9	124 km
Feb 25, 2011	3 km NNE of Aguilera, Mexico	M5.9	102 km
May 21, 2014	2 km SSW of Palomares, Mexico	M5.8	41 km
Aug 2, 2025	4 km S of Xagacía, Mexico	M5.8	88 km
Jul 25, 1991	3 km WNW of Aguilera, Mexico	M5.7	97 km
Mar 3, 2022	Veracruz, Mexico	M5.7	130 km
Mar 2, 2023	Oaxaca, Mexico	M5.7	140 km
May 20, 2017	21 km SE of La Horqueta (Poblado Doce), Mexico	M5.7	144 km
Mar 12, 1994	30 km NNE of Santo Domingo Zanatepec, Mexico	M5.6	129 km
Aug 28, 1994	6 km N of San Pedro Ocotepec, Mexico	M5.6	42 km
Sep 16, 2017	11 km SSE of Salina Cruz, Mexico	M5.6	110 km
Mar 6, 2022	3 km S of Zacatal, Mexico	M5.5	29 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Erick	Category 4	270 km
2022	Agatha	Category 2	162 km
2013	Barbara	Category 1	189 km
2012	Carlotta	Category 2	207 km
2010	Karl	Category 3	253 km
2005	Stan	Category 1	184 km
1998	Lester	Category 2	281 km
1997	Pauline	Category 4	213 km
1997	Rick	Category 1	139 km

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

Tsunami History

4 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	141 km
1965	MEXICO	Earthquake	0.4 m	6	90 km
2022	S. MEXICO	Earthquake	0.2 m	—	110 km
2025	OFF COAST OF OAXACA	Earthquake	0.2 m	—	144 km

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

Nearby Volcanoes

1 volcano within 200 km. Closest: San Martin (173 km).

Name	Type	Elevation	Last Eruption	Distance
San Martin	Shield	1,650 m (5,413 ft)	1796	173 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	71°F (22°C)	2.0 in	Coldest
February	72°F (22°C)	1.7 in
March	75°F (24°C)	1.1 in
April	78°F (26°C)	1.0 in	Driest
May	80°F (27°C)	2.9 in	Warmest
June	79°F (26°C)	10.3 in
July	77°F (25°C)	16.7 in	Wettest
August	77°F (25°C)	15.8 in
September	77°F (25°C)	12.4 in
October	76°F (24°C)	7.3 in
November	73°F (23°C)	3.2 in
December	71°F (22°C)	2.4 in

San Juan Mazatlán has a seasonal temperature swing of 9°F / from 71°F in January to 80°F in May. Total annual precipitation is 76.7 inches, with July being the wettest month (16.7") and April the driest (1.0").

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