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Gappal, Philippines
Cagayan Valley · Philippines
Gappal is a small town in Cagayan Valley, Philippines with a population of 2,495. Elevation: 194 ft (59 m). Average temperature: 80°F (27°C).
Data updated June 2026
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About Gappal
San Isidro, officially the Municipality of San Isidro, is a municipality in the province of Isabela, Philippines. According to the 2024 census, it has a population of 27,326 people.
People
Climate
| Population | 2,495 |
| Population Density | 11 / sq mi |
| Elevation | 194 ft (59 m) |
| Coordinates | 16.8365°, 121.8218° |
| 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 Gappal
Gappal is a small town in Philippines (Cagayan Valley) with a population of 2,495. The city sits at an elevation of 194 feet (59 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 | 194 ft (59 m) |
| Area | 234.6 sq mi (607.6 km²) |
| Population Density | 11/sq mi |
| Coordinates | 16.8365°N, 121.8218°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Tsunami History
5 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 | 118 km |
| 1990 | W. LUZON ISLAND | Earthquake | 2.0 m | 2,412 | 146 km |
| 1968 | E. LUZON ISLAND | Earthquake | 0.2 m | 270 | 55 km |
| 2022 | N. LUZON ISLAND | Earthquake | 0.1 m | 11 | 131 km |
| 1880 | E. LUZON ISLAND | Eruption + Earthquake | - | 20 | 93 km |
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Ambalatungan Group (94 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ambalatungan Group | Compound | 2,329 m (7,641 ft) | Unknown | 94 km |
| Cagua | Stratovolcano | 1,133 m (3,717 ft) | 1860 | 157 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 |
Gappal 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 Gappal
36 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Mangandingay Primary School | - | - | - | - |
| Gappal High School | - | - | - | - |
| Manaoag Elementary School | - | - | - | - |
| Boni-Ban Elementary School | - | - | - | - |
| Linglingay Elementary School | - | - | - | - |
| Linglingay National High School | - | - | - | - |
| San Roque Elementary School | - | - | - | - |
| Victory Elementary School | - | - | - | - |
| Bannawag Primary School | - | - | - | - |
| Gappal Elementary School | - | - | - | - |
| Maligaya Elementary School - Annex | - | - | - | - |
| Santa Luciana Elementary School - Annex | - | - | - | - |
| Canangan Primary School | - | - | - | - |
| Dianao Elementary School | - | - | - | - |
| Saranay Primary School | - | - | - | - |
| Buyon Integrated School | - | - | - | - |
| Macaniao Integrated School | - | - | - | - |
| Rang-ayan Integrated School | - | - | - | - |
| Disimuray Elementary School | - | - | - | - |
| Villa Domingo Elementary School | - | - | - | - |
| Amobocan Elementary School | - | - | - | - |
| Santa Maria Elementary School | - | - | - | - |
| Bagong Sikat Elementary School | - | - | - | - |
| Diparicao Elementary School | - | - | - | - |
| Buduan Elementary School | - | - | - | - |
| Villa Concepcion High School – Baculod Annex | - | - | - | - |
| Baculod Elementary School | - | - | - | - |
| Casalatan Elementary School | - | - | - | - |
| Maligaya Elementary School | - | - | - | - |
| Villa Concepcion High School | - | - | - | - |
| Cauayan East Central School | - | - | - | - |
| Calaocan Elementary School | - | - | - | - |
| Liw-liwa Primary School | - | - | - | - |
| San Antonio National High School | - | - | - | - |
| San Antonio Elementary School | - | - | - | - |
| Villa Domingo National High School | - | - | - | - |
Radio Stations near Gappal
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 |
Libraries in Gappal
| 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 Gappal
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Alicia Public Market | |||||
| Aurora Public Market | |||||
| Cabatuan Public Market | |||||
| Cauayan City Public Market | |||||
| Echague Public Market | |||||
| Echague Public Market | |||||
| Naguilian 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 |
Airports Near Gappal
10 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Cauayan Airport | CYZ | Medium Airport |
| Bagabag Airport | - | Small Airport |
| Bicobian Bay Airstrip | - | Small Airport |
| Casiguran Airport | CGG | 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
Frequently Asked Questions About Gappal
What is the population of Gappal?
Gappal has a population of 2,495 residents and is located in Philippines. The population density is 11 people per square mile, spread across 234.6 square miles.
What is the weather like in Gappal?
Gappal 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.