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Weather & Climate in La Unión, Colombia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
La Unión enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 60°F in January while summers reach 61°F in July / relatively mild seasonal variation. The area gets 165 sunny days per year, below the national average of 205. Annual precipitation totals 94.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 8,120 feet.
Temperature
60°F Jan (16°C)
61°F Jul (16°C)
| Annual Average | 60.6°F |
| 12% above US avg | |
| January Average | 60°F (16°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 165 days/yr |
Geography
| Elevation | 8,120 ft (2,475 m) |
| Area | 91.7 sq mi (237.4 km²) |
| Population Density | 227/sq mi |
| Coordinates | 5.9743°N, 75.3620°W |
| Timezone | America/Bogota |
Precipitation & Snow
Air Quality
Earthquake History
136 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Aug 19, 1995 | 7 km WSW of Neira, Colombia | M6.6 | 96 km | 120 km |
| Nov 23, 1990 | 7 km N of Salento, Colombia | M6.1 | 143 km | 145 km |
| Aug 15, 1992 | 10 km NNE of Palestina, Colombia | M5.9 | 100 km | 119 km |
| Jan 19, 2024 | 7 km E of Cartago, Colombia | M5.6 | 147 km | 65 km |
| Apr 23, 2018 | 3 km NW of Neira, Colombia | M5.3 | 90 km | 110 km |
| Apr 21, 2005 | 13 km NNW of San José del Palmar, Colombia | M5.2 | 147 km | 103 km |
| Mar 1, 2021 | 18 km SW of Urrao, Colombia | M5.1 | 102 km | 10 km |
| Apr 24, 2007 | 3 km SSW of Andes, Colombia | M5.1 | 70 km | 53 km |
| Jun 1, 2011 | 8 km WSW of Pereira, Colombia | M5.0 | 139 km | 80 km |
| Jan 10, 1990 | 6 km NE of Jardín, Colombia | M5.0 | 59 km | 62 km |
| Mar 4, 2010 | 14 km E of Santa Rosa de Cabal, Colombia | M4.9 | 121 km | 131 km |
| May 1, 2009 | 22 km WSW of Uramita, Colombia | M4.9 | 144 km | 30 km |
| May 1, 2009 | 24 km SSE of Puerto Berrío, Colombia | M4.9 | 121 km | 21 km |
| Sep 19, 1994 | 19 km SSE of Remedios, Colombia | M4.9 | 130 km | 33 km |
| Jan 10, 1992 | 16 km WSW of Uramita, Colombia | M4.9 | 142 km | 35 km |
| Jun 11, 1996 | 13 km ENE of Remedios, Colombia | M4.9 | 149 km | 59 km |
| Mar 14, 2021 | 7 km WSW of Puerto Berrío, Colombia | M4.8 | 114 km | 79 km |
| Apr 2, 2020 | 6 km WSW of Betania, Colombia | M4.8 | 79 km | 87 km |
| Feb 14, 1991 | 13 km NNW of San José del Palmar, Colombia | M4.8 | 146 km | 104 km |
| Dec 24, 1991 | 9 km W of Uramita, Colombia | M4.8 | 144 km | 41 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Bravo, Cerro (99 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Bravo, Cerro | Stratovolcano | 3,985 m (13,074 ft) | 1720 | 99 km |
| Ruiz, Nevado del | Stratovolcano | 5,279 m (17,320 ft) | 2020 | 120 km |
| Santa Isabel | Shield | 4,944 m (16,220 ft) | -850 | 129 km |
| Tolima, Nevado del | Stratovolcano | 5,215 m (17,110 ft) | 1943 | 146 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 60°F (16°C) | 3.8 in | Driest |
| February | 61°F (16°C) | 4.5 in | |
| March | 61°F (16°C) | 5.7 in | Warmest |
| April | 61°F (16°C) | 9.5 in | |
| May | 61°F (16°C) | 11.5 in | Wettest |
| June | 61°F (16°C) | 8.4 in | |
| July | 61°F (16°C) | 7.2 in | |
| August | 61°F (16°C) | 8.7 in | |
| September | 60°F (16°C) | 9.7 in | |
| October | 60°F (16°C) | 11.0 in | Coldest |
| November | 60°F (16°C) | 8.8 in | |
| December | 60°F (16°C) | 5.4 in |
La Unión has a seasonal temperature swing of 1°F / from 60°F in October to 61°F in March. Total annual precipitation is 94.3 inches, with May being the wettest month (11.5") and January the driest (3.8").