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San Sebastián, Guatemala
Retalhuleu · Guatemala
San Sebastián is a small city in Retalhuleu, Guatemala with a population of 29,167. Elevation: 1,027 ft (313 m). Average temperature: 77°F (25°C).
Data updated June 2026
Discover San Sebastián, Guatemala
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About San Sebastián
San Sebastián or Donostia, officially known by the bilingual name Donostia / San Sebastián, is a city and municipality located in the Basque Autonomous Community in Spain. It lies on the coast of the Bay of Biscay, 20 km from the France–Spain border. The capital city of the province of Gipuzkoa, it has a population of 188,487 as of 2024, with its metropolitan area being 436,500 in 2010. Locals call themselves donostiarra (singular) in Basque, also using this term when speaking in Spanish. It is also a part of Basque Eurocity Bayonne-San Sebastián.
People
Climate
| Population | 29,167 |
| Population Density | 3,226 / sq mi |
| Elevation | 1,027 ft (313 m) |
| Coordinates | 14.5618°, -91.6487° |
| Timezone | America/Guatemala |
| Country | 🇬🇹 Guatemala |
| State / Province | Retalhuleu |
| Average Temperature | 77°F (25°C) |
| January Average | 76°F (24°C) |
| July Average | 78°F (25°C) |
| Annual Precipitation | 125.6 inches (3,189 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About San Sebastián
San Sebastián is a small city in Guatemala (Retalhuleu) with a population of 29,167. The city sits at an elevation of 1,027 feet (313 meters) above sea level. The average annual temperature is 77°F (25°C). Temperatures range from 76°F in January to 78°F in July. Annual precipitation averages 125.6 inches. The timezone is America/Guatemala.
Climate in San Sebastián
San Sebastián has an average annual temperature of 25.8°C (78°F). The hottest month is Apr (27.2°C), the coldest is Jan (24.5°C). Average annual precipitation is 2863 mm.
Temperature
| Annual Average | 77.0°F |
| 43% above Guatemala avg | |
| January Average | 76°F (24°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 169 days/yr |
Geography
| Elevation | 1,027 ft (313 m) |
| Area | 9.0 sq mi (23.4 km²) |
| Population Density | 3,226/sq mi |
| Coordinates | 14.5618°N, 91.6487°W |
| Timezone | America/Guatemala |
Precipitation & Snow
Air Quality
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2005 | LAGO DE ATITLAN | Meteorological | 4.0 m | — | 45 km |
| 2012 | GUATEMALA | Earthquake | 0.4 m | 48 | 69 km |
| 1950 | GUATEMALA | Earthquake | 0.2 m | — | 40 km |
Nearby Volcanoes
14 volcanoes within 200 km. Closest: Santa Maria (24 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Santa Maria | Stratovolcano | 3,745 m (12,287 ft) | 2020 | 24 km |
| Almolonga | Stratovolcano | 3,173 m (10,410 ft) | 1818 | 30 km |
| Toliman | Stratovolcano(es) | 3,158 m (10,361 ft) | Unknown | 50 km |
| Tacana | Stratovolcano | 4,064 m (13,333 ft) | 1986 | 80 km |
| Fuego | Stratovolcano(es) | 3,763 m (12,346 ft) | 2020 | 83 km |
| Acatenango | Stratovolcano(es) | 3,976 m (13,045 ft) | 1972 | 83 km |
| Agua | Stratovolcano | 3,760 m (12,336 ft) | Unknown | 98 km |
| Pacaya | Complex | 2,569 m (8,428 ft) | 2020 | 115 km |
| Cuilapa-Barbarena | Volcanic field | 1,454 m (4,770 ft) | Unknown | 137 km |
| Tecuamburro | Stratovolcano | 1,845 m (6,053 ft) | -960 | 141 km |
| Moyuta | Stratovolcano | 1,662 m (5,453 ft) | Unknown | 177 km |
| Flores | Volcanic field | 1,600 m (5,249 ft) | Unknown | 181 km |
| Tahual | Stratovolcano | 1,716 m (5,630 ft) | Unknown | 189 km |
| Santiago, Cerro | Volcanic field | 1,192 m (3,911 ft) | Unknown | 193 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (24°C) | 0.7 in | Driest |
| February | 76°F (25°C) | 0.9 in | |
| March | 78°F (26°C) | 1.7 in | |
| April | 79°F (26°C) | 5.4 in | Warmest |
| May | 78°F (26°C) | 12.3 in | |
| June | 78°F (25°C) | 22.7 in | Wettest |
| July | 78°F (25°C) | 15.3 in | |
| August | 78°F (25°C) | 18.2 in | |
| September | 77°F (25°C) | 21.8 in | |
| October | 76°F (25°C) | 19.2 in | |
| November | 76°F (24°C) | 6.1 in | |
| December | 76°F (24°C) | 1.3 in | Coldest |
San Sebastián has a seasonal temperature swing of 3°F / from 76°F in December to 79°F in April. Total annual precipitation is 125.5 inches, with June being the wettest month (22.7") and January the driest (0.7").
Schools in San Sebastián
4 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Escuela | — | — | — | — |
| Escuela Oficial Ubrana Mixtan | — | — | — | — |
| Primaria Aldea Ocosito | — | — | — | — |
| Parvulos Aldea Ocosito | — | — | — | — |
Radio Stations near San Sebastián
4 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Stereo 100, Quetzaltenango | latin pop, local news | AAC 64 kbps | |
| RADIO ESLA | — | AAC | |
| Radio Sololá | 88.7 fm, contemporary hits | AAC+ 96 kbps | |
| Dinámica 89.9 FM | entretenimiento, latino | MP3 128 kbps |
Museums in San Sebastián
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Museo Caracol del Tiempo | ||||
| Superitendencia de Administracion Tributaria |
Libraries in San Sebastián
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Biblioteca municipal | 0.0 | |||||
| Biblioteca Municipal | 0.0 | |||||
| tienda el alfa | 0.0 |
Farmers Markets in San Sebastián
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Mercado de San Martín de Porres | |||||
| Mercado La Terminal | |||||
| Mercado Municipal | |||||
| Mercado Municipal | |||||
| Mercado Municipal | |||||
| Mercado Municipal | |||||
| Mercado Municipal No. 5 | |||||
| Metamercado |
Hotels in San Sebastián
7 hotels within city radius — OpenStreetMap data
Restaurants in San Sebastián
8 restaurants within city radius — OpenStreetMap data
Cafes in San Sebastián
2 cafes within city radius — OpenStreetMap data
Clinics in San Sebastián
2 clinics within city radius — OpenStreetMap data
Dentists in San Sebastián
2 dentists within city radius — OpenStreetMap data
Gas Stations in San Sebastián
8 gas stations within city radius — OpenStreetMap data
Banks in San Sebastián
2 banks within city radius — OpenStreetMap data
Stadiums & Teams in San Sebastián
| Team | League | Division |
|---|---|---|
Airports Near San Sebastián
24 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Retalhuleu Airport | RER | Medium Airport |
| Tapachula International Airport | TAP | Medium Airport |
| Aeródromo Erendira | — | Small Airport |
| Aeródromo La Base | — | Small Airport |
| Algodonera de Tapachula Airport | — | Small Airport |
| Champerico Airport | — | Small Airport |
| Coatepeque Airport | CTF | Small Airport |
| El Hato Airport | — | Small Airport |
| El Paraiso Villalobos Airport | — | Small Airport |
| El Paso del Aguila Airport | — | Small Airport |
| Finca El Alamo Airport | — | Small Airport |
| La Noria Airport | — | Small Airport |
| La Valentina Airport | — | Small Airport |
| Los Torres Airport | — | Small Airport |
| Malacatán Airport | — | Small Airport |
| Murallas Airport | — | Small Airport |
| Quezaltenango Airport | AAZ | Small Airport |
| Quiché Airport | AQB | Small Airport |
| San Marcos Airport | — | Small Airport |
| Santa Teresa Airport | — | Small Airport |
| Santiago Airport | — | Small Airport |
| Santo Tomas Airport | — | Small Airport |
| Tiquisate Airport | — | Small Airport |
| Valle de Tapachula Airport | — | Small Airport |
Post Offices in San Sebastián
1 post offices.
| Post Office | Address |
|---|---|
| El Correo Destino Seguro |
Churches & Religious Organizations in San Sebastián
11 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Betesda | |
| Iglesia Asambleas de Dios (Nazaret) | |
| Iglesia Cristiana Maranatha | |
| Iglesia Del Nazareno | |
| La Iglesia de Jesucristo de los Santos de los Últimos Días | |
| La Iglesia de Jesucristo de los Santos de los Últimos Días | |
| NUEVA VIDA | |
| Principe de Paz | |
| Sala Evangelica | |
| Salón del Reino de los Testigos de Jehová, Congregación Las Palmeras, Samalá de San Sebastián y Panamericana de Ocosito | |
| Vida nueva |
Quick Facts
🇬🇹 About Guatemala
Public Holidays in Guatemala
13 public holidays this year
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Get ReportFrequently Asked Questions About San Sebastián
What is the population of San Sebastián?
San Sebastián has a population of 29,167 residents and is located in Guatemala. The population density is 3,226 people per square mile, spread across 9.0 square miles.
What is the weather like in San Sebastián?
San Sebastián has a warm climate with an average annual temperature of 77°F (25°C). Winter temperatures average 76°F in January, while summers reach an average of 78°F in July. The area receives 169 sunny days per year, below the national average of 205. Annual rainfall totals 125.6 inches.