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La Unión, El Salvador
Full City Profile
26,807
Population
481/sq mi density
33 ft
Elevation
10 meters
81°F
Avg Temperature
27°C
La Unión has a warm climate with an average annual temperature of 81°F (27°C). Winters average 80°F in January while summers reach 81°F in July. The area gets 214 sunny days per year. Annual precipitation totals 69.8 inches. The area receives 0.0 inches of snow annually.
Temperature
80°F Jan (27°C)
81°F Jul (27°C)
| Annual Average | 80.5°F |
| 49% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 214 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 55.8 sq mi (144.4 km²) |
| Population Density | 481/sq mi |
| Coordinates | 13.3392°N, 87.8433°W |
| Timezone | America/El_Salvador |
Precipitation & Snow
Air Quality
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 0.3 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2001 | EL SALVADOR | Earthquake | 0.3 m | 844 | 94 km |
| 2014 | GULF OF FONSECA | Earthquake | 0.0 m | 1 | 95 km |
| 1919 | GULF OF FONSECA | Earthquake | — | — | 124 km |
| 1859 | EL SALVADOR | Earthquake | — | — | 4 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Tigre, Isla el (23 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tigre, Isla el | Stratovolcano | 783 m (2,569 ft) | Unknown | 23 km |
| Zacate Grande, Isla | Stratovolcano | 640 m (2,100 ft) | Unknown | 23 km |
| Cosiguina | Stratovolcano | 872 m (2,861 ft) | 1859 | 50 km |
| Chinameca | Stratovolcano | 1,300 m (4,265 ft) | Unknown | 55 km |
| Tigre, El | Stratovolcano | 1,640 m (5,381 ft) | Unknown | 65 km |
| Usulutan | Stratovolcano | 1,449 m (4,754 ft) | Unknown | 69 km |
| Tecapa | Stratovolcano | 1,593 m (5,226 ft) | Unknown | 73 km |
| Taburete | Stratovolcano | 1,172 m (3,845 ft) | Unknown | 75 km |
| Apastepeque Field | Volcanic field | 700 m (2,297 ft) | Unknown | 109 km |
| San Vicente | Stratovolcano | 2,182 m (7,159 ft) | Unknown | 111 km |
| San Cristobal | Stratovolcano | 1,745 m (5,725 ft) | 2019 | 115 km |
| Ilopango | Caldera | 450 m (1,476 ft) | 1880 | 136 km |
| Telica | Stratovolcano(es) | 1,036 m (3,399 ft) | 2018 | 136 km |
| Rota | Stratovolcano | 832 m (2,730 ft) | Unknown | 147 km |
| Guazapa | Stratovolcano | 1,438 m (4,718 ft) | Unknown | 151 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 0.1 in | |
| February | 81°F (27°C) | 0.1 in | Driest |
| March | 82°F (28°C) | 0.3 in | |
| April | 84°F (29°C) | 1.3 in | Warmest |
| May | 82°F (28°C) | 8.5 in | |
| June | 80°F (27°C) | 12.4 in | |
| July | 81°F (27°C) | 8.0 in | |
| August | 81°F (27°C) | 9.7 in | |
| September | 79°F (26°C) | 15.2 in | Wettest |
| October | 78°F (26°C) | 12.0 in | Coldest |
| November | 79°F (26°C) | 1.9 in | |
| December | 79°F (26°C) | 0.2 in |
La Unión has a seasonal temperature swing of 5°F / from 78°F in October to 84°F in April. Total annual precipitation is 69.8 inches, with September being the wettest month (15.2") and February the driest (0.1").