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Weather & Climate in La Unión, Ecuador
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
La Unión enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 61°F in January while summers reach 61°F in July / relatively mild seasonal variation. The area gets 335 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 65.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 7,995 feet.
Temperature
61°F Jan (16°C)
61°F Jul (16°C)
| Annual Average | 61.9°F |
| 15% above US avg | |
| January Average | 61°F (16°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 335 days/yr |
Geography
| Elevation | 7,995 ft (2,437 m) |
| Area | 5.5 sq mi (14.2 km²) |
| Population Density | 295/sq mi |
| Coordinates | -2.8500°N, 78.7833°W |
| Timezone | America/Guayaquil |
Precipitation & Snow
Air Quality
Earthquake History
320 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Oct 3, 1995 | 45 km SE of Sucúa, Ecuador | M7.0 | 101 km | 24 km |
| Mar 18, 2023 | 14 km NNW of Baláo, Ecuador | M6.8 | 119 km | 68 km |
| Oct 3, 1995 | 50 km SE of Sucúa, Ecuador | M6.5 | 104 km | 17 km |
| Aug 3, 1999 | 56 km ENE of Zaruma, Ecuador | M5.9 | 79 km | 88 km |
| Jun 12, 1991 | 9 km SSW of Alausí, Ecuador | M5.8 | 64 km | 94 km |
| Oct 7, 1995 | 52 km SE of Sucúa, Ecuador | M5.8 | 107 km | 12 km |
| Feb 4, 2019 | 24 km SSE of Guayaquil, Ecuador | M5.8 | 127 km | 70 km |
| Jul 14, 2022 | 11 km SW of Samborondón, Ecuador | M5.7 | 144 km | 73 km |
| Mar 26, 1995 | 13 km NNW of Naranjito, Ecuador | M5.6 | 119 km | 91 km |
| Oct 3, 1995 | 47 km ESE of Sucúa, Ecuador | M5.6 | 115 km | 33 km |
| Feb 22, 2019 | 14 km ESE of Eloy Alfaro, Ecuador | M5.5 | 126 km | 71 km |
| Aug 21, 2023 | 6 km N of Machala, Ecuador | M5.4 | 137 km | 40 km |
| Oct 8, 1995 | Peru-Ecuador border region | M5.4 | 110 km | 33 km |
| Apr 28, 2015 | 6 km NNW of Milagro, Ecuador | M5.4 | 126 km | 89 km |
| Nov 25, 1990 | 51 km ESE of Sucúa, Ecuador | M5.4 | 114 km | 25 km |
| Aug 18, 1992 | 12 km W of Baláo, Ecuador | M5.3 | 127 km | 27 km |
| Mar 25, 2014 | 17 km ESE of Coronel Marcelino Maridueña, Ecuador | M5.3 | 86 km | 35 km |
| Oct 5, 1995 | 43 km SE of Sucúa, Ecuador | M5.3 | 101 km | 33 km |
| Oct 4, 1995 | 45 km ESE of Sucúa, Ecuador | M5.3 | 112 km | 60 km |
| Apr 25, 2023 | 10 km NNW of Baláo, Ecuador | M5.2 | 117 km | 69 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Sangay (106 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sangay | Stratovolcano | 5,286 m (17,343 ft) | 2020 | 106 km |
| Licto | Pyroclastic cone(s) | 3,336 m (10,945 ft) | Unknown | 121 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 61°F (16°C) | 2.4 in | Warmest, Driest |
| February | 56°F (13°C) | 2.8 in | |
| March | 56°F (13°C) | 3.9 in | |
| April | 56°F (13°C) | 4.3 in | Wettest |
| May | 55°F (13°C) | 3.6 in | |
| June | 54°F (12°C) | 3.2 in | |
| July | 61°F (16°C) | 3.0 in | |
| August | 53°F (12°C) | 2.4 in | Coldest |
| September | 55°F (13°C) | 2.5 in | |
| October | 55°F (13°C) | 3.3 in | |
| November | 56°F (13°C) | 3.0 in | |
| December | 56°F (13°C) | 2.8 in |
La Unión has a seasonal temperature swing of 8°F / from 53°F in August to 61°F in January. Total annual precipitation is 37.3 inches, with April being the wettest month (4.3") and January the driest (2.4").