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San Luis, Philippines
Cagayan Valley · Philippines
San Luis is a small town in Cagayan Valley, Philippines with a population of 2,176. Elevation: 164 ft (50 m). Average temperature: 80°F (27°C).
Data updated June 2026
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About San Luis
Reina Mercedes, officially the Municipality of Reina Mercedes, is a municipality in the province of Isabela, Philippines. According to the 2024 census, it has a population of 28,222 people.
People
Climate
| Population | 2,176 |
| Population Density | 1 / sq mi |
| Elevation | 164 ft (50 m) |
| Coordinates | 16.9646°, 121.8278° |
| Timezone | Asia/Manila |
| Country | 🇵🇭 Philippines |
| State / Province | Cagayan Valley |
| Average Temperature | 80°F (27°C) |
| January Average | 75°F (24°C) |
| July Average | 83°F (28°C) |
| Annual Precipitation | 76.5 inches (1,943 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About San Luis
San Luis is a small town in Philippines (Cagayan Valley) with a population of 2,176. The city sits at an elevation of 164 feet (50 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 75°F in January to 83°F in July. Annual precipitation averages 76.5 inches. The timezone is Asia/Manila.
Temperature
| Annual Average | 80.2°F |
| 49% above Philippines avg | |
| January Average | 75°F (24°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 197 days/yr |
Geography
| Elevation | 164 ft (50 m) |
| Area | 4,658.6 sq mi (12,065.7 km²) |
| Population Density | 1/sq mi |
| Coordinates | 16.9646°N, 121.8278°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 4.3 m (14 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1970 | PHILIPPINE SEA | Earthquake | 4.3 m | 15 | 132 km |
| 1968 | E. LUZON ISLAND | Earthquake | 0.2 m | 270 | 65 km |
| 2022 | N. LUZON ISLAND | Earthquake | 0.1 m | 11 | 124 km |
| 1880 | E. LUZON ISLAND | Eruption + Earthquake | — | 20 | 107 km |
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Ambalatungan Group (87 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ambalatungan Group | Compound | 2,329 m (7,641 ft) | Unknown | 87 km |
| Cagua | Stratovolcano | 1,133 m (3,717 ft) | 1860 | 143 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 2.3 in | Coldest |
| February | 76°F (24°C) | 1.9 in | Driest |
| March | 80°F (26°C) | 2.1 in | |
| April | 83°F (28°C) | 2.8 in | |
| May | 84°F (29°C) | 5.6 in | |
| June | 85°F (29°C) | 6.0 in | Warmest |
| July | 83°F (28°C) | 7.1 in | |
| August | 83°F (28°C) | 8.3 in | |
| September | 82°F (28°C) | 8.9 in | |
| October | 80°F (27°C) | 12.1 in | |
| November | 78°F (26°C) | 12.1 in | Wettest |
| December | 76°F (24°C) | 7.4 in |
San Luis has a seasonal temperature swing of 10°F / from 75°F in January to 85°F in June. Total annual precipitation is 76.5 inches, with November being the wettest month (12.1") and February the driest (1.9").
Schools in San Luis
14 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Villa Luna Elementary School | — | — | — | — |
| Sinippil Elementary School | — | — | — | — |
| Minanga Elementary School | — | — | — | — |
| San Luis Integrated School | — | — | — | — |
| Union Elementary School | — | — | — | — |
| Quinalabasa Elementary School | — | — | — | — |
| Santa Victoria Elementary School | — | — | — | — |
| Villa Luna Elementary School – Annex | — | — | — | — |
| Villa Luna National High School | — | — | — | — |
| Andarayan-Bugallon Elementary School | — | — | — | — |
| San Pablo Elementary School | — | — | — | — |
| Cassap Fuera Elementary School | — | — | — | — |
| Cabugao Elementary School | — | — | — | — |
| Cabaruan Integrated School | — | — | — | — |
Radio Stations near San Luis
5 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Star FM Baguio | — | AAC | |
| Love Radio Santiago | — | MP3 64 kbps | |
| Radyo Natin Santiago | — | AAC 64 kbps | |
| Love Radio Santiago (M3U) | — | MP3 64 kbps | |
| Radyo Natin Candon | — | AAC 64 kbps |
Museums in San Luis
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| City of Ilagan Museum |
Libraries in San Luis
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| College of Engineering Library | 0.0 | |||||
| Cyber Library | 0.0 | |||||
| Graduate School Library | 0.0 | |||||
| Main Library | 0.0 | |||||
| Municipal Library | 0.0 |
Farmers Markets in San Luis
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Alicia Public Market | |||||
| Aurora Public Market | |||||
| Cabatuan Public Market | |||||
| Cauayan City Public Market | |||||
| Mallig Public Market | |||||
| Naguilian Public Market | |||||
| Roxas Public Market | |||||
| San Guillermo Public Market | |||||
| San Manuel Public Market | |||||
| San Manuel Public Market | |||||
| San Manuel Public Market | |||||
| San Mariano Public Market | |||||
| San Mateo Public Market |
Restaurants in San Luis
1 restaurants within city radius — OpenStreetMap data
Stadiums & Teams in San Luis
| Team | League | Division |
|---|---|---|
Airports Near San Luis
10 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Cauayan Airport | CYZ | Medium Airport |
| Tuguegarao Airport | TUG | Medium Airport |
| Bagabag Airport | — | Small Airport |
| Bicobian Bay Airstrip | — | Small Airport |
| Cordon Airport | — | Small Airport |
| Dilasag Airport | DSG | Small Airport |
| Dinapigue Airstrip | — | Small Airport |
| Maconacon Airstrip | — | Small Airport |
| Palanan Community Airport | — | Small Airport |
| Salolwan Airstrip | — | Small Airport |
Quick Facts
🇵🇭 About Philippines
Public Holidays in Philippines
18 public holidays this year
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Get ReportFrequently Asked Questions About San Luis
What is the population of San Luis?
San Luis has a population of 2,176 residents and is located in Philippines. The population density is 1 people per square mile, spread across 4,658.6 square miles.
What is the weather like in San Luis?
San Luis has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 75°F in January, while summers reach an average of 83°F in July. The area receives 197 sunny days per year. Annual rainfall totals 76.5 inches.