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Unión, Guatemala

Full City Profile

2,927 ft Elevation 892 meters
76°F Avg Temperature 25°C
Unión has a warm climate with an average annual temperature of 76°F (24°C). Winters average 73°F in January while summers reach 77°F in July. The area gets 356 sunny days per year. Annual precipitation totals 31.1 inches. The area receives 0.0 inches of snow annually.

Temperature

73°F Jan (23°C) 77°F Jul (25°C)
Annual Average76.1°F
41% above US avg
January Average73°F (23°C)
July Average77°F (25°C)
Sunny Days356 days/yr

Geography

Elevation2,927 ft (892 m)
Area2,995.6 sq mi (7,758.7 km²)
Population Density0/sq mi
Coordinates15.9218°N, 91.7765°W
TimezoneAmerica/Guatemala

Precipitation & Snow

Annual Rainfall 31.1"
18% below US avg
Snowfall 0.0"
Wettest Month (Jun) 14.50"
Driest Month (Feb) 1.00"

Air Quality

Earthquake History

549 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.9. Most recent: M4.2 on Aug 27, 2025.

Mar 14, 1994 6 km ENE of Rizo de Oro, Mexico M6.9 70 km
Jun 14, 2017 2 km SSW of San Pablo, Guatemala M6.9 115 km
Nov 28, 2001 2 km ESE of El Carmen, Mexico M6.4 148 km
Dec 31, 1996 4 km SW of El Ramal (Porvenir), Mexico M6.4 128 km
May 17, 2023 8 km SE of Canillá, Guatemala M6.4 138 km
Mar 12, 2000 3 km ESE of Plan de Ayala, Mexico M6.3 127 km
Mar 17, 2005 10 km NE of San Bartolo, Guatemala M6.1 96 km
Apr 10, 1994 3 km E of Pajapita, Guatemala M6.0 136 km
Jan 19, 2001 6 km NNE of Hidalgo, Mexico M6.0 116 km
Feb 14, 2002 13 km SW of Francisco I. Madero, Mexico M5.8 138 km
Oct 17, 2000 4 km ENE of Nuevo Amatenango, Mexico M5.8 55 km
Feb 1, 2003 7 km NNW of Nuevo Vicente Guerrero (El Chichonal), Mexico M5.8 138 km
Dec 12, 1999 0 km SSW of Sololá, Guatemala M5.8 143 km
May 5, 2025 5 km NNE of Nuevo León, Mexico M5.8 107 km
Jan 17, 2009 5 km NNW of Nueva Colombia, Mexico M5.8 106 km
Jan 9, 2001 7 km NE of Nuevo Milenio Valdivia, Mexico M5.6 127 km
Sep 11, 2001 2 km WNW of San Carlos Sija, Guatemala M5.6 105 km
Feb 23, 2010 19 km NNE of Barillas, Guatemala M5.6 55 km
Oct 14, 2012 5 km SE of Tinajas 1ra. Sección, Mexico M5.5 148 km
Sep 1, 2012 11 km N of Plan de Agua Prieta, Mexico M5.5 112 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 1 229 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Tacana (95 km).

Name Type Elevation Last Eruption Distance
Tacana Stratovolcano 4,064 m (13,333 ft) 1986 95 km
Almolonga Stratovolcano 3,173 m (10,410 ft) 1818 128 km
Santa Maria Stratovolcano 3,745 m (12,287 ft) 2020 132 km
Toliman Stratovolcano(es) 3,158 m (10,361 ft) Unknown 159 km
Acatenango Stratovolcano(es) 3,976 m (13,045 ft) 1972 185 km
Fuego Stratovolcano(es) 3,763 m (12,346 ft) 2020 188 km
Agua Stratovolcano 3,760 m (12,336 ft) Unknown 196 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 73°F (23°C) 1.3 in
February 69°F (21°C) 1.0 in Driest
March 72°F (22°C) 1.0 in
April 75°F (24°C) 1.9 in
May 76°F (24°C) 4.9 in
June 74°F (24°C) 14.5 in Wettest
July 77°F (25°C) 11.6 in Warmest
August 73°F (23°C) 11.7 in
September 73°F (23°C) 14.4 in
October 72°F (22°C) 9.4 in
November 70°F (21°C) 3.2 in
December 68°F (20°C) 1.8 in Coldest

Unión has a seasonal temperature swing of 8°F / from 68°F in December to 77°F in July. Total annual precipitation is 76.7 inches, with June being the wettest month (14.5") and February the driest (1.0").

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