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La Unión, Ecuador

Full City Profile

49 ft Elevation 15 meters
77°F Avg Temperature 25°C
La Unión has a warm climate with an average annual temperature of 77°F (25°C). Winters average 78°F in January while summers reach 76°F in July. The area gets 336 sunny days per year. Annual precipitation totals 75.7 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (26°C) 76°F Jul (25°C)
Annual Average77.1°F
43% above US avg
January Average78°F (26°C)
July Average76°F (25°C)
Sunny Days336 days/yr

Geography

Elevation49 ft (15 m)
Area117.1 sq mi (303.4 km²)
Population Density0/sq mi
Coordinates0.8102°N, 79.8660°W
TimezoneAmerica/Guayaquil

Precipitation & Snow

Annual Rainfall 75.7"
99% above US avg
Snowfall 0.0"
Wettest Month (Mar) 9.50"
Driest Month (Nov) 1.40"

Air Quality

Earthquake History

217 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.8. Most recent: M4.9 on Aug 25, 2025.

Apr 16, 2016 27 km SSE of Muisne, Ecuador M7.8 48 km
May 18, 2016 24 km NW of Rosa Zarate, Ecuador M6.9 45 km
May 18, 2016 32 km SE of Muisne, Ecuador M6.7 44 km
Sep 2, 1990 34 km SW of Pedernales, Ecuador M6.6 116 km
Sep 28, 2000 45 km NNW of Bahía de Caráquez, Ecuador M6.4 139 km
Jul 11, 2016 33 km NNW of Rosa Zarate, Ecuador M6.3 36 km
Apr 25, 2025 19 km NE of Esmeraldas, Ecuador M6.3 48 km
Apr 20, 2016 21 km W of Muisne, Ecuador M6.2 43 km
Jun 30, 2017 35 km NNW of Bahía de Caráquez, Ecuador M6.0 140 km
Apr 20, 2016 10 km N of Muisne, Ecuador M6.0 22 km
Apr 22, 2016 34 km NNW of Bahía de Caráquez, Ecuador M6.0 142 km
Jul 11, 2016 33 km NNW of Rosa Zarate, Ecuador M5.9 36 km
Apr 22, 2016 36 km NNW of Bahía de Caráquez, Ecuador M5.9 141 km
Mar 27, 2022 7 km SE of Esmeraldas, Ecuador M5.8 30 km
Apr 17, 2016 34 km NE of Bahía de Caráquez, Ecuador M5.8 138 km
Jun 16, 2014 51 km NW of Pampanal de Bolívar, Ecuador M5.7 115 km
Apr 23, 2016 26 km W of Muisne, Ecuador M5.7 48 km
Apr 19, 2016 3 km S of Muisne, Ecuador M5.6 31 km
Apr 17, 2016 50 km NW of Bahía de Caráquez, Ecuador M5.6 148 km
Mar 9, 2014 61 km NW of Valdez, Ecuador M5.6 110 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).

Year Location Cause Max Wave Deaths Distance
1979 COLOMBIA: OFF SHORE, PACIFIC OCEAN Earthquake 6.0 m 600 106 km
1906 OFF COAST Earthquake 5.0 m 1,000 58 km
2016 OFF COAST Earthquake 0.6 m 663 48 km
2025 ECUADOR Earthquake 0.4 m 49 km
1906 COLOMBIA-ECUADOR Earthquake 0.3 m 128 km
1958 COLOMBIA-ECUADOR Earthquake 115 87 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Cuicocha (176 km).

Name Type Elevation Last Eruption Distance
Cuicocha Caldera 3,246 m (10,650 ft) 650 176 km
Pululahua Caldera 3,356 m (11,010 ft) 290 178 km
Guagua Pichincha Stratovolcano 4,784 m (15,696 ft) 2002 178 km
Chachimbiro Stratovolcano 4,106 m (13,471 ft) -3740 180 km
Atacazo Stratovolcano 4,463 m (14,642 ft) -320 190 km
Mojanda Stratovolcano(es) 4,263 m (13,986 ft) Unknown 193 km
Imbabura Compound 4,609 m (15,121 ft) -5550 197 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 78°F (26°C) 8.9 in
February 78°F (26°C) 9.3 in
March 79°F (26°C) 9.5 in Wettest
April 79°F (26°C) 8.0 in Warmest
May 78°F (26°C) 5.8 in
June 77°F (25°C) 5.4 in
July 76°F (25°C) 2.5 in
August 76°F (24°C) 1.5 in
September 76°F (24°C) 1.9 in Coldest
October 76°F (25°C) 2.0 in
November 76°F (25°C) 1.4 in Driest
December 77°F (25°C) 2.6 in

La Unión has a seasonal temperature swing of 3°F / from 76°F in September to 79°F in April. Total annual precipitation is 58.8 inches, with March being the wettest month (9.5") and November the driest (1.4").

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