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La Unión, Honduras

Full City Profile

827 Population 5/sq mi density
1,916 ft Elevation 584 meters
72°F Avg Temperature 22°C
La Unión has a warm climate with an average annual temperature of 72°F (22°C). Winters average 68°F in January while summers reach 73°F in July. The area gets 220 sunny days per year. Annual precipitation totals 64.1 inches. The area receives 0.0 inches of snow annually.

Temperature

68°F Jan (20°C) 73°F Jul (23°C)
Annual Average72.0°F
33% above US avg
January Average68°F (20°C)
July Average73°F (23°C)
Sunny Days220 days/yr

Geography

Elevation1,916 ft (584 m)
Area160.6 sq mi (416.0 km²)
Population Density5/sq mi
Coordinates15.1333°N, 88.5500°W
TimezoneAmerica/Tegucigalpa

Precipitation & Snow

Annual Rainfall 64.1"
69% above US avg
Snowfall 0.0"
Wettest Month (Jun) 11.10"
Driest Month (Mar) 1.06"

Air Quality

Earthquake History

107 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.7. Most recent: M4.2 on Jan 22, 2025.

Jul 11, 1999 16 km N of Potrerillos, Honduras M6.7 76 km
Nov 9, 1997 13 km NNE of San Sebastián, El Salvador M6.5 146 km
Jul 6, 1997 30 km NNW of Baja Mar, Honduras M6.1 133 km
Dec 18, 1997 11 km WSW of Sensuntepeque, El Salvador M6.1 145 km
May 18, 2005 1 km SSE of San José La Arada, Guatemala M5.3 121 km
Apr 23, 2012 28 km NNE of El Estor, Guatemala M5.2 100 km
Aug 25, 2021 11 km NNE of Pinalejo, Honduras M5.2 45 km
Mar 29, 1999 23 km NW of Yamaranguila, Honduras M5.1 80 km
Jan 11, 2010 9 km ESE of Morales, Guatemala M5.1 41 km
Sep 25, 2022 24 km NE of Puerto Barrios, Guatemala M5.1 81 km
Feb 1, 1991 20 km NNE of Baja Mar, Honduras M4.8 132 km
Apr 24, 2013 6 km WNW of San José, Honduras M4.8 145 km
Jul 11, 1999 11 km N of Puerto Barrios, Guatemala M4.8 78 km
Apr 24, 2013 6 km NNW of San Antonio, Honduras M4.7 150 km
Feb 8, 1999 8 km NNE of San José de Comayagua, Honduras M4.7 69 km
Aug 2, 2012 8 km WNW of Lucerna, Honduras M4.6 79 km
Jul 19, 1999 2 km NW of Potrerillos, Honduras M4.6 63 km
Feb 5, 1993 2 km WNW of Trinidad, Honduras M4.6 32 km
Jan 31, 2015 10 km NNE of Sinuapa, Honduras M4.6 92 km
Mar 23, 1999 Honduras M4.6 78 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

6 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year Name Category Closest
2022 Lisa Category 1 254 km
2020 Nana Category 1 187 km
2016 Earl Category 1 254 km
2010 Richard Category 2 231 km
2001 Iris Category 4 120 km
2000 Keith Category 3 286 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).

Year Location Cause Max Wave Deaths Distance
1856 BAY OF HONDURAS Eruption + Earthquake 5.0 m 113 km
1976 GUATEMALA Earthquake 0.1 m 23,000 63 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Yojoa, Lake (64 km).

Name Type Elevation Last Eruption Distance
Yojoa, Lake Volcanic field 1,090 m (3,576 ft) Unknown 64 km
Chiquimula Volcanic Field Pyroclastic cone(s) 1,192 m (3,911 ft) Unknown 113 km
Ipala Stratovolcano 1,650 m (5,413 ft) Unknown 133 km
San Diego Volcanic field 781 m (2,562 ft) Unknown 139 km
Ixtepeque Lava dome(s) 1,292 m (4,239 ft) Unknown 145 km
Guazapa Stratovolcano 1,438 m (4,718 ft) Unknown 150 km
Suchitan Stratovolcano(es) 2,042 m (6,699 ft) Unknown 155 km
Apastepeque Field Volcanic field 700 m (2,297 ft) Unknown 159 km
Tahual Stratovolcano 1,716 m (5,630 ft) Unknown 165 km
Singuil, Cerro Pyroclastic cone(s) 926 m (3,038 ft) Unknown 167 km
Santiago, Cerro Volcanic field 1,192 m (3,911 ft) Unknown 168 km
Chingo Stratovolcano 1,775 m (5,823 ft) Unknown 170 km
Ilopango Caldera 450 m (1,476 ft) 1880 171 km
San Vicente Stratovolcano 2,182 m (7,159 ft) Unknown 174 km
San Salvador Stratovolcano 1,893 m (6,211 ft) 1917 175 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 68°F (20°C) 2.1 in
February 69°F (21°C) 1.7 in
March 73°F (23°C) 1.1 in Driest
April 75°F (24°C) 1.6 in
May 76°F (24°C) 5.4 in Warmest
June 75°F (24°C) 11.1 in Wettest
July 73°F (23°C) 8.0 in
August 74°F (23°C) 8.0 in
September 73°F (23°C) 10.4 in
October 72°F (22°C) 6.2 in
November 70°F (21°C) 5.3 in
December 68°F (20°C) 3.2 in Coldest

La Unión has a seasonal temperature swing of 8°F / from 68°F in December to 76°F in May. Total annual precipitation is 64.0 inches, with June being the wettest month (11.1") and March the driest (1.1").

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