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Weather & Climate in La Unión, Colombia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
La Unión has a warm climate with an average annual temperature of 82°F (28°C). Winters average 82°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 229 sunny days per year, above the national average. Annual precipitation totals 59.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 207 feet.
Temperature
82°F Jan (28°C)
82°F Jul (28°C)
| Annual Average | 82.2°F |
| 52% above US avg | |
| January Average | 82°F (28°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 229 days/yr |
Geography
| Elevation | 207 ft (63 m) |
| Area | 113.2 sq mi (293.2 km²) |
| Population Density | 39/sq mi |
| Coordinates | 8.8497°N, 75.2794°W |
| Timezone | America/Bogota |
Precipitation & Snow
Air Quality
Earthquake History
54 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Apr 15, 2020 | 13 km NNE of Pinillos, Colombia | M5.7 | 95 km | 53 km |
| Sep 8, 2001 | 10 km NNE of Pueblo Nuevo, Colombia | M5.1 | 70 km | 33 km |
| Jul 7, 2010 | 9 km NNW of Ciénaga de Oro, Colombia | M5.0 | 43 km | 39 km |
| Oct 31, 1995 | 30 km WNW of Cáceres, Colombia | M4.8 | 138 km | 49 km |
| Jun 30, 1991 | 16 km E of Nechí, Colombia | M4.8 | 109 km | 52 km |
| Mar 31, 2009 | 20 km WNW of San Carlos, Colombia | M4.8 | 114 km | 18 km |
| Aug 25, 2013 | 13 km NW of El Bagre, Colombia | M4.8 | 136 km | 26 km |
| Nov 25, 1990 | 18 km NE of Caucasia, Colombia | M4.7 | 88 km | 74 km |
| Apr 18, 2001 | 9 km WSW of Nechí, Colombia | M4.7 | 100 km | 71 km |
| Jun 25, 1995 | 25 km SW of Montelíbano, Colombia | M4.7 | 122 km | 33 km |
| Apr 7, 2023 | 7 km NNE of Los Córdobas, Colombia | M4.6 | 116 km | 48 km |
| Mar 4, 1990 | 25 km ENE of San Carlos, Colombia | M4.6 | 129 km | 79 km |
| Feb 24, 1994 | 19 km WNW of Ayapel, Colombia | M4.6 | 55 km | 48 km |
| May 6, 2024 | 8 km NE of Montelíbano, Colombia | M4.5 | 92 km | 54 km |
| Apr 16, 1993 | 12 km WSW of Ayapel, Colombia | M4.5 | 66 km | 27 km |
| May 27, 2023 | 8 km SW of Corozal, Colombia | M4.5 | 45 km | 41 km |
| Jun 30, 2002 | 26 km NW of San Pedro de Urabá, Colombia | M4.5 | 142 km | 42 km |
| Apr 12, 2018 | 27 km W of San Carlos, Colombia | M4.5 | 124 km | 35 km |
| May 28, 2001 | 14 km SE of Hatillo de Loba, Colombia | M4.5 | 142 km | 70 km |
| Jan 23, 2018 | 4 km WSW of Pueblo Nuevo, Colombia | M4.5 | 76 km | 55 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 82°F (28°C) | 0.9 in | Driest |
| February | 83°F (28°C) | 1.0 in | |
| March | 84°F (29°C) | 1.1 in | Warmest |
| April | 84°F (29°C) | 4.5 in | |
| May | 82°F (28°C) | 7.2 in | |
| June | 82°F (28°C) | 8.3 in | |
| July | 82°F (28°C) | 7.0 in | |
| August | 82°F (28°C) | 8.5 in | Wettest |
| September | 82°F (28°C) | 7.4 in | |
| October | 81°F (27°C) | 7.1 in | Coldest |
| November | 81°F (27°C) | 4.3 in | |
| December | 82°F (28°C) | 2.0 in |
La Unión has a seasonal temperature swing of 3°F / from 81°F in October to 84°F in March. Total annual precipitation is 59.2 inches, with August being the wettest month (8.5") and January the driest (0.9").