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San Sebastián, Puerto Rico
San Sebastián · Puerto Rico
San Sebastián is a small city in San Sebastián, Puerto Rico with a population of 11,590. Elevation: 253 ft (77 m). Average temperature: 78°F (26°C).
Data updated June 2026
Discover San Sebastián, Puerto Rico
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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People
Climate
| Population | 11,590 |
| Population Density | 170 / sq mi |
| Elevation | 253 ft (77 m) |
| Coordinates | 18.3366°, -66.9902° |
| Timezone | America/Puerto_Rico |
| Country | 🇵🇷 Puerto Rico |
| State / Province | San Sebastián |
| Average Temperature | 78°F (26°C) |
| January Average | 74°F (23°C) |
| July Average | 82°F (28°C) |
| Annual Precipitation | 42.2 inches (1,072 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About San Sebastián
San Sebastián is a small city in Puerto Rico (San Sebastián) with a population of 11,590. The city sits at an elevation of 253 feet (77 meters) above sea level. The average annual temperature is 78°F (26°C). Temperatures range from 74°F in January to 82°F in July. Annual precipitation averages 42.2 inches. The timezone is America/Puerto_Rico.
Climate in San Sebastián
San Sebastián has an average annual temperature of 27.2°C (81°F). The hottest month is Sep (28.7°C), the coldest is Feb (25.5°C). Average annual precipitation is 1106 mm.
Temperature
| Annual Average | 78.3°F |
| 45% above Puerto Rico avg | |
| January Average | 74°F (23°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 356 days/yr |
Geography
| Elevation | 253 ft (77 m) |
| Area | 68.0 sq mi (176.1 km²) |
| Population Density | 170/sq mi |
| Coordinates | 18.3366°N, 66.9902°W |
| Timezone | America/Puerto_Rico |
Precipitation & Snow
Air Quality
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 6.1 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1918 | PUERTO RICO: MONA PASSAGE | Eruption + Earthquake | 6.1 m | 144 | 46 km |
| 2020 | PUERTO RICO | Earthquake | 0.1 m | 4 | 46 km |
| 1918 | PUERTO RICO | Earthquake | — | — | 26 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 3.5 in | |
| February | 73°F (23°C) | 3.0 in | Coldest, Driest |
| March | 73°F (23°C) | 3.8 in | |
| April | 75°F (24°C) | 6.0 in | |
| May | 77°F (25°C) | 9.3 in | Wettest |
| June | 78°F (26°C) | 7.2 in | |
| July | 82°F (28°C) | 5.8 in | Warmest |
| August | 78°F (26°C) | 7.8 in | |
| September | 78°F (26°C) | 8.7 in | |
| October | 78°F (25°C) | 8.6 in | |
| November | 76°F (24°C) | 6.6 in | |
| December | 74°F (23°C) | 4.5 in |
San Sebastián has a seasonal temperature swing of 9°F / from 73°F in February to 82°F in July. Total annual precipitation is 74.7 inches, with May being the wettest month (9.3") and February the driest (3.0").
Schools in San Sebastián
6 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Escuela Emilio Scharon Rodríguez | — | — | — | — |
| Escuela Ernestina Méndez | — | — | — | — |
| Escuela Patria Latorre | — | — | — | — |
| Escuela Manuel Méndez Liciaga | — | — | — | — |
| Escuela Aurora Méndez Charneco | — | — | — | — |
| Escuela Ramón María Torres | — | — | — | — |
Radio Stations near San Sebastián
2 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Salseo Radio | — | MP3 192 kbps | |
| Radio Paraiso 92.9 FM | christian, christmas music | AAC+ 128 kbps |
Museums in San Sebastián
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Casa Museo Filiberto Ojeda Ríos | ||||
| Museo de Aguada | ||||
| Museo de Arte y Senado Académico | ||||
| Museo de Lares | ||||
| Museo del Tren |
Libraries in San Sebastián
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Biblioteca de Carrizales | 0.0 | |||||
| Biblioteca Electrónica de Aguadilla | 0.0 | |||||
| Biblioteca Electrónica Felicita "Litty" Caro Ramos | 0.0 | |||||
| Biblioteca Electrónica Pajuil | 0.0 | |||||
| Biblioteca Electrónica San Antonio | 0.0 | |||||
| Biblioteca General | 0.0 | |||||
| Biblioteca Urbana de Quebradillas | 0.0 | |||||
| Library Poblado San Antonio | 0.0 | |||||
| Mayaguez Branch Library | 0.0 | |||||
| Mayagüez Children Library | 0.0 | |||||
| Public Library of Hatillo | 0.0 |
Farmers Markets in San Sebastián
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Aguadilla Farmers' Market | |||||
| Centro Agropecuario de San Sebastian Puerto Rico (ADEA) | Carr. 111 Km. 18 Bo. Bahomamey | Fri: 12:00 AM-9:00 PM; | |||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | |||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| El Mercado Familiar | 01/01/2015 to 12/31/2015 | Fri: 7:00 AM-1:00 PM;Sat: 7:00 AM-1:00 PM; | Visit | ||
| La Marketa | |||||
| Mercado Agroecologico de Rincon | Munoz Rivera 11 | 01/01/2016 to 12/31/2016 | Sun: 8:00 AM-1:00 PM; | Yes | Visit |
| Plaza de Mercado de Mayagüez | |||||
| Plaza del Mercado de Aguada | |||||
| Plaza del Mercado de Añasco Alfonso Vélez Iturrino "El Fúa" | |||||
| Plaza del Mercado Lolita Montalvo Cordero | |||||
| Pulguero de Arecibo |
Restaurants in San Sebastián
1 restaurants within city radius — OpenStreetMap data
Cafes in San Sebastián
1 cafes within city radius — OpenStreetMap data
Theatres in San Sebastián
1 theatres within city radius — OpenStreetMap data
Monuments in San Sebastián
1 monuments within city radius — OpenStreetMap data
Clinics in San Sebastián
3 clinics within city radius — OpenStreetMap data
Dentists in San Sebastián
1 dentists within city radius — OpenStreetMap data
Gas Stations in San Sebastián
10 gas stations within city radius — OpenStreetMap data
Banks in San Sebastián
1 banks within city radius — OpenStreetMap data
Stadiums & Teams in San Sebastián
| Team | League | Division |
|---|---|---|
Airports Near San Sebastián
11 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Antonio Nery Juarbe Pol Airport | ARE | Medium Airport |
| Eugenio Maria De Hostos Airport | MAZ | Medium Airport |
| Mercedita International Airport | PSE | Medium Airport |
| Rafael Hernández International Airport | BQN | Medium Airport |
| Adjuntas Airport | — | Small Airport |
| Boqueron Airport | — | Small Airport |
| Cuylers Airport | — | Small Airport |
| Fort Allen Airport | — | Small Airport |
| Labadle Airport | — | Small Airport |
| Lajas Airpark | — | Small Airport |
| Santa Isabel Airport | — | Small Airport |
Post Offices in San Sebastián
1 post offices.
| Post Office | Address |
|---|---|
| USPS - San Sebastián |
Treatment Centers in San Sebastián
1 treatment centers.
| Center | Type | Phone |
|---|---|---|
| Hogar CREA Inc. |
Churches & Religious Organizations in San Sebastián
1 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Parroquia San Sebastián Mártir |
Explore Near San Sebastián
Quick Facts
🇵🇷 About Puerto Rico
Public Holidays in Puerto Rico
21 public holidays this year
Download Full City Report
Get a comprehensive, print-ready PDF with all data for San Sebastián.
Get ReportFrequently Asked Questions About San Sebastián
What is the population of San Sebastián?
San Sebastián has a population of 11,590 residents and is located in Puerto Rico. The population density is 170 people per square mile, spread across 68.0 square miles.
What is the weather like in San Sebastián?
San Sebastián has a warm climate with an average annual temperature of 78°F (26°C). Winter temperatures average 74°F in January, while summers reach an average of 82°F in July. The area receives 356 sunny days per year, well above the national average of 205. Annual rainfall totals 42.2 inches.