Unión Buena Vista, Mexico

Full City Profile

1,847 Population 12/sq mi density

1,749 ft Elevation 533 meters

80°F Avg Temperature 27°C

Unión Buena Vista has a warm climate with an average annual temperature of 80°F (27°C). Winters average 76°F in January while summers reach 81°F in July. The area gets 361 sunny days per year. Annual precipitation totals 25.3 inches. The area receives 0.0 inches of snow annually.

Temperature

76°F Jan (25°C) 81°F Jul (27°C)

Annual Average	80.0°F
	48% above US avg
January Average	76°F (25°C)
July Average	81°F (27°C)
Sunny Days	361 days/yr

Geography

Elevation	1,749 ft (533 m)
Area	157.6 sq mi (408.1 km²)
Population Density	12/sq mi
Coordinates	16.4858°N, 92.8182°W
Timezone	America/Mexico_City

Precipitation & Snow

Annual Rainfall 25.3"

33% below US avg

Snowfall 0.0"

Wettest Month (Sep) 9.41"

Driest Month (Jan) 0.16"

Air Quality

Earthquake History

800 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.2. Most recent: M4.2 on Aug 27, 2025.

Oct 21, 1995	13 km NW of Ocozocoautla de Espinosa, Mexico	M7.2	80 km
Mar 14, 1994	6 km ENE of Rizo de Oro, Mexico	M6.9	69 km
Dec 31, 1996	4 km SW of El Ramal (Porvenir), Mexico	M6.4	75 km
Jan 16, 2002	2 km SW of Las Brisas, Mexico	M6.4	115 km
Nov 28, 2001	2 km ESE of El Carmen, Mexico	M6.4	106 km
Jun 7, 1998	2 km NNE of Cabeza de Toro, Mexico	M6.3	118 km
Jul 6, 2007	6 km N of Lázaro Cárdenas, Mexico	M6.1	126 km
Jan 19, 2001	6 km NNE of Hidalgo, Mexico	M6.0	121 km
Aug 9, 2023	7 km NNE of Tonalá, Mexico	M5.8	104 km
May 5, 2025	5 km NNE of Nuevo León, Mexico	M5.8	29 km
Jan 17, 2009	5 km NNW of Nueva Colombia, Mexico	M5.8	83 km
Oct 17, 2000	4 km ENE of Nuevo Amatenango, Mexico	M5.8	134 km
Feb 1, 2003	7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico	M5.8	11 km
Aug 5, 2015	11 km ENE of Tonalá, Mexico	M5.7	98 km
May 20, 2017	21 km SE of La Horqueta (Poblado Doce), Mexico	M5.7	149 km
Jan 9, 2001	7 km NE of Nuevo Milenio Valdivia, Mexico	M5.6	104 km
Sep 1, 2012	11 km N of Plan de Agua Prieta, Mexico	M5.5	29 km
Jan 12, 2015	18 km W of El Palmarcito, Mexico	M5.5	127 km
Aug 12, 2019	7 km NE of Cabeza de Toro, Mexico	M5.5	112 km
Jun 7, 2009	5 km SW of Emiliano Zapata, Mexico	M5.4	65 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

1 hurricane (Cat 1+) within 500 km since 1980. Strongest: Category 1. Most recent: Barbara (2013).

Year	Name	Category	Closest
2013	Barbara	Category 1	120 km

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

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 50.0 m (164 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
2007	JUAN DE GRIJALVA, CHIAPAS	Meteorological	50.0 m	19	50 km

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

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Chichon, El (107 km).

Name	Type	Elevation	Last Eruption	Distance
Chichon, El	Lava dome(s)	1,150 m (3,773 ft)	1982	107 km
Tacana	Stratovolcano	4,064 m (13,333 ft)	1986	169 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	76°F (25°C)	0.2 in	Driest
February	74°F (23°C)	0.2 in
March	78°F (26°C)	0.4 in
April	82°F (28°C)	1.1 in
May	82°F (28°C)	4.1 in	Warmest
June	80°F (27°C)	9.4 in
July	81°F (27°C)	7.5 in
August	78°F (26°C)	8.2 in
September	78°F (25°C)	9.4 in	Wettest
October	76°F (25°C)	3.8 in
November	75°F (24°C)	1.1 in
December	73°F (23°C)	0.3 in	Coldest

Unión Buena Vista has a seasonal temperature swing of 10°F / from 73°F in December to 82°F in May. Total annual precipitation is 45.5 inches, with September being the wettest month (9.4") and January the driest (0.2").

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