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San Alejo, El Salvador

La Unión · El Salvador

San Alejo is a small city in La Unión, El Salvador with a population of 5,149. Elevation: 581 ft (177 m). Average temperature: 81°F (27°C).

5,149 Population 53/sq mi density
581 ft Elevation 177 meters
81°F Avg Temperature 27°C
69.8 in Annual Rain
America / El Salvador Timezone

Discover San Alejo, El Salvador

Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
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Full City Profile

About San Alejo

San Alejo

San Alejo is a municipality in the La Unión department of El Salvador.

People

Population5,149
Density53/mi²

Climate

Avg Temp81°F (27°C)
Rain69.8 in/yr
Sunny Days214/yr
Elevation581 ft (177 m)
Population5,149
Population Density53 / sq mi
Elevation581 ft (177 m)
Coordinates13.4314°, -87.9631°
TimezoneAmerica/El_Salvador
Country🇸🇻 El Salvador
State / ProvinceLa Unión
Average Temperature81°F (27°C)
January Average80°F (27°C)
July Average81°F (27°C)
Annual Precipitation69.8 inches (1,773 mm)
Annual Snowfall0.0 inches (0 cm)

About San Alejo

San Alejo is a small city in El Salvador (La Unión) with a population of 5,149. The city sits at an elevation of 581 feet (177 meters) above sea level. The average annual temperature is 81°F (27°C). Temperatures range from 80°F in January to 81°F in July. Annual precipitation averages 69.8 inches. The timezone is America/El_Salvador.

Climate in San Alejo

San Alejo has an average annual temperature of 0°C (32°F). The hottest month is Jan (0°C), the coldest is Jan (0°C). Average annual precipitation is 1521 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 0°C / 32°F — / — 1.6
Feb 0°C / 32°F — / — 0.3
Mar 0°C / 32°F — / — 8.6
Apr 0°C / 32°F — / — 25.1
May 0°C / 32°F — / — 208.6
Jun 0°C / 32°F — / — 258.0
Jul 0°C / 32°F — / — 168.8
Aug 0°C / 32°F — / — 216.6
Sep 0°C / 32°F — / — 382.8
Oct 0°C / 32°F — / — 204.4
Nov 0°C / 32°F — / — 37.6
Dec 0°C / 32°F — / — 8.5
San Alejo 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 / relatively mild seasonal variation. The area gets 214 sunny days per year. Annual precipitation totals 69.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 581 feet.

Temperature

80°F Jan (27°C) 81°F Jul (27°C)
Annual Average80.5°F
49% above El Salvador avg
January Average80°F (27°C)
July Average81°F (27°C)
Sunny Days214 days/yr

Geography

Elevation581 ft (177 m)
Area97.1 sq mi (251.6 km²)
Population Density53/sq mi
Coordinates13.4314°N, 87.9631°W
TimezoneAmerica/El_Salvador

Precipitation & Snow

Annual Rainfall 69.8"
84% above El Salvador avg
Snowfall 0.0"
Wettest Month (Sep) 15.20"
Driest Month (Feb) 0.08"

Air Quality

Earthquake History

1,675 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.7. Most recent: M4.6 on Aug 4, 2025.

Jan 13, 2001 28 km SSW of Puerto El Triunfo, El Salvador M7.7 87 km
May 30, 2019 32 km S of La Libertad, El Salvador M6.6 148 km
Feb 13, 2001 5 km S of Cojutepeque, El Salvador M6.6 109 km
Jul 19, 2023 43 km S of Intipucá, El Salvador M6.5 71 km
Nov 9, 1997 13 km NNE of San Sebastián, El Salvador M6.5 102 km
Jan 5, 2025 56 km SSE of La Libertad, El Salvador M6.2 140 km
Mar 2, 2014 33 km SW of Jiquilillo, Nicaragua M6.2 102 km
Dec 18, 1997 11 km WSW of Sensuntepeque, El Salvador M6.1 95 km
Jun 10, 2016 Nicaragua M6.1 127 km
Feb 28, 2001 24 km S of Zacatecoluca, El Salvador M6.1 95 km
Apr 3, 1999 13 km S of Amapala, Honduras M6.0 46 km
Mar 16, 2001 22 km SW of Puerto El Triunfo, El Salvador M5.9 86 km
Jun 12, 1993 14 km ESE of Amapala, Honduras M5.9 51 km
Apr 2, 2018 24 km SW of Puerto El Triunfo, El Salvador M5.9 86 km
May 16, 2019 41 km WSW of Jiquilillo, Nicaragua M5.9 89 km
Mar 29, 2001 46 km SW of Jiquilisco, El Salvador M5.8 113 km
Feb 7, 2001 32 km SSW of Zacatecoluca, El Salvador M5.8 109 km
Jan 15, 2001 23 km S of Puerto El Triunfo, El Salvador M5.8 78 km
Feb 2, 2001 68 km SW of Puerto El Triunfo, El Salvador M5.7 129 km
Jan 16, 2001 36 km SSW of Puerto El Triunfo, El Salvador M5.7 94 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

1 hurricane (Cat 1+) within 500 km since 1980. Strongest: Category 1.

Year Name Category Closest
2005 Adrian Category 1 274 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

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 87 km
2014 GULF OF FONSECA Earthquake 0.0 m 1 102 km
1919 GULF OF FONSECA Earthquake 129 km
1859 EL SALVADOR Earthquake 20 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Zacate Grande, Isla (38 km).

Name Type Elevation Last Eruption Distance
Zacate Grande, Isla Stratovolcano 640 m (2,100 ft) Unknown 38 km
Tigre, Isla el Stratovolcano 783 m (2,569 ft) Unknown 39 km
Chinameca Stratovolcano 1,300 m (4,265 ft) Unknown 40 km
Tigre, El Stratovolcano 1,640 m (5,381 ft) Unknown 51 km
Usulutan Stratovolcano 1,449 m (4,754 ft) Unknown 55 km
Tecapa Stratovolcano 1,593 m (5,226 ft) Unknown 59 km
Taburete Stratovolcano 1,172 m (3,845 ft) Unknown 62 km
Cosiguina Stratovolcano 872 m (2,861 ft) 1859 66 km
Apastepeque Field Volcanic field 700 m (2,297 ft) Unknown 93 km
San Vicente Stratovolcano 2,182 m (7,159 ft) Unknown 96 km
Ilopango Caldera 450 m (1,476 ft) 1880 121 km
San Cristobal Stratovolcano 1,745 m (5,725 ft) 2019 132 km
Guazapa Stratovolcano 1,438 m (4,718 ft) Unknown 135 km
San Salvador Stratovolcano 1,893 m (6,211 ft) 1917 148 km
Telica Stratovolcano(es) 1,036 m (3,399 ft) 2018 152 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

San Alejo 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").

View full weather details →

Schools in San Alejo

8 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
Centro Escolar República de Argentina
Centro Escolar
Centro Escolar El Carmen
Centro Escolar de San Alejo
Instituto Nacional de San Alejo
Complejo Educativo Cantón San Antonio Silva (CECSAS)
Centro de Desarrollo Infantil (CDI)
Centro Escolar Profesor Luis Armando Robles (CEPLAR)
View full schools details →

Museums in San Alejo

NameTypeAddressPhoneAnnual Revenue
East Regional Museum
East Regional Museum
Museo Regional de Oriente
Museo Regional de Oriente

Farmers Markets in San Alejo

NameAddressSeasonHoursOrganicWebsite
Mercado Municipal
Mercado Municipal
mercado municipal
Mercado Municipal
Mercado Municipal
Mercado Municipal de San Alejo
Mercado Municipal Nº 1
Mercado Municipal Nº 2
Mercado Municipal y Correos
Mercado Municipal y Correos
Mercado San Miguel 2
Mercado San Nicolas
Mercados Municipales No 1 y 2
Mercados Municipales No. 3 y 4

Hotels in San Alejo

1 hotels within city radius — OpenStreetMap data

Hotel San Alejo

Restaurants in San Alejo

3 restaurants within city radius — OpenStreetMap data

Café Pueblo Bar
Comedor Karen
Comedor Yaneth

Cafes in San Alejo

1 cafes within city radius — OpenStreetMap data

Road Market

Clinics in San Alejo

3 clinics within city radius — OpenStreetMap data

SV #1221929080
Unidad de Salud
Unidad de Salud de San Antonio Silva

Gas Stations in San Alejo

4 gas stations within city radius — OpenStreetMap data

Gasolinera DLC
Gasolinera El Paso
Gasolinera El Paso
Puma

Banks in San Alejo

1 banks within city radius — OpenStreetMap data

Caja de Credito San Alejo

Shopping Malls in San Alejo

1 shopping malls within city radius — OpenStreetMap data

Punto Plaza

Gyms in San Alejo

1 gyms within city radius — OpenStreetMap data

Gimnasio

Stadiums & Teams in San Alejo

TeamLeagueDivision
Cancha El Hoyo
Plaza de Toros Municipal

Airports Near San Alejo

26 airports within the area.

AirportIATAType
Toncontín AirportTGUMedium Airport
Acensa AirportSmall Airport
Agropecuaria Piedra De Agua Azul AirportSmall Airport
Barillas AirportSmall Airport
Casas Nuevas AirportSmall Airport
Ceiba Doblada AirportSmall Airport
Concepción AirportSmall Airport
Corral De Mulas AirportSmall Airport
El Papalon AirportSmall Airport
El Tamarindo AirportSmall Airport
Espiritu Santo AirportSmall Airport
La Alondra AirportSmall Airport
La Aramuaca AirportSmall Airport
La Carrera AirportSmall Airport
La Chepona AirportSmall Airport
La Grecia AirportSmall Airport
Los Comandos AirportSmall Airport
Mapulaca AirportSmall Airport
Puerto El Triunfo AirportSmall Airport
Punta San Juan AirportSmall Airport
San Lorenzo AirportSmall Airport
San Ramon AirportSmall Airport
Santa Rosa de Lima AirportSmall Airport
Sur Agropecuaria AirportSmall Airport
Tamara AirportSmall Airport
Usulutan Private AirportSmall Airport

Treatment Centers in San Alejo

5 treatment centers.

CenterTypePhone
Centro de Salud Familiar
Electrolab Medic
Laboratorio Clinico Quimilab
Laboratorio Clinico San Nicolás
Unidad de Salud La Presita

Churches & Religious Organizations in San Alejo

10 religious organizations (IRS tax-exempt data).

NameAddress
Igesia de Nuestra Señora de El Carmen
Iglesia Adventista del Séptimo Día
Iglesia Apóstoles y Profetas "Getsemaní"
Iglesia Apostoles y Profetas de El Salvador
Iglesia Bautista Peña de Horeb
Iglesia Católica de Cofradía Nueva
Iglesia Católica de San Antonio Silva
Iglesia de San Alejo
Iglesia Pentecostal
Parroquia La Presentación del Señor de Yayantique

Quick Facts

Timezone
America/El_Salvador

🇸🇻 About El Salvador

Capital San Salvador
Population 6,420,744
Area 21,040 km²
GDP (USD) $33,853,940,000
GDP per capita $5,365
HDI 0.678
Life expectancy 72.1 years
Internet users 67.7%
Urban population 74.6%
Currency USD (Dollar)
Languages Spanish
Calling code +503
TLD .sv
Driving side right

Public Holidays in El Salvador

26 public holidays this year

Date Holiday Local Name
May 1 Labour Day Día del Trabajo
May 3 The Day of the Cross Día de la Cru
May 7 Soldiers' Day Día del Soldado
May 10 Father's Day Día del Padre
May 10 Mother's Day Día de las Madres
Aug 1 August Festivals Fiestas de agosto
Aug 2 August Festivals Fiestas de agosto
Aug 3 August Festivals Fiestas de agosto
Aug 4 August Festivals Fiestas de agosto
Aug 5 August Festivals Fiestas de agosto
Aug 6 August Festivals Fiestas de agosto
Aug 7 August Festivals Fiestas de agosto
Sep 15 Independence Day Día de la Independencia
Oct 1 Children's Day Día del niño
Oct 12 Ethnic Pride Day Día de la raza
Nov 2 Day of the Dead El día de los difuntos
Nov 7 National Pupusa Festival Festival Nacional De La Pupusa
Nov 8 National Pupusa Festival Festival Nacional De La Pupusa
Nov 9 National Pupusa Festival Festival Nacional De La Pupusa
Nov 10 National Pupusa Festival Festival Nacional De La Pupusa
Nov 11 National Pupusa Festival Festival Nacional De La Pupusa
Nov 12 National Pupusa Festival Festival Nacional De La Pupusa
Nov 13 National Pupusa Festival Festival Nacional De La Pupusa
Nov 21 Day of the Queen of Peace Dia de la Reina de la Paz
Dec 25 Christmas Day Noche Buena
Dec 31 New Year's Eve Fin de año

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Frequently Asked Questions About San Alejo

What is the population of San Alejo?

San Alejo has a population of 5,149 residents and is located in El Salvador. The population density is 53 people per square mile, spread across 97.1 square miles.

What is the weather like in San Alejo?

San Alejo has a warm climate with an average annual temperature of 81°F (27°C). Winter temperatures average 80°F in January, while summers reach an average of 81°F in July. The area receives 214 sunny days per year. Annual rainfall totals 69.8 inches.

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