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Caoayan, Philippines
Ilocos · Philippines
Caoayan is a small town in Ilocos, Philippines with a population of 3,386. Elevation: 30 ft (9 m). Average temperature: 80°F (27°C).
Data updated June 2026
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About Caoayan
Caoayan, officially the Municipality of Caoayan, is a municipality in the province of Ilocos Sur, Philippines. According to the 2024 census, it has a population of 19,715 people.
People
Climate
| Population | 3,386 |
| Population Density | 349 / sq mi |
| Elevation | 30 ft (9 m) |
| Coordinates | 17.5619°, 120.3975° |
| Timezone | Asia/Manila |
| Country | 🇵🇭 Philippines |
| State / Province | Ilocos |
| Average Temperature | 80°F (27°C) |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
| Annual Precipitation | 101.9 inches (2,589 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Caoayan
Caoayan is a small town in Philippines (Ilocos) with a population of 3,386. The city sits at an elevation of 30 feet (9 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 79°F in January to 80°F in July. Annual precipitation averages 101.9 inches. The timezone is Asia/Manila.
Temperature
| Annual Average | 80.0°F |
| 48% above Philippines avg | |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 9.7 sq mi (25.1 km²) |
| Population Density | 349/sq mi |
| Coordinates | 17.5619°N, 120.3975°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 1.0 m (3 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1988 | NORTH OF LUZON ISLAND | Earthquake | 1.0 m | - | 133 km |
| 2022 | N. LUZON ISLAND | Earthquake | 0.1 m | 11 | 45 km |
| 1983 | LUZON ISLAND | Earthquake | - | 16 | 89 km |
| 1934 | SOUTH CHINA SEA | Earthquake | - | - | 148 km |
| 1915 | W. LUZON ISLAND | Earthquake | - | - | 107 km |
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Ambalatungan Group (79 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ambalatungan Group | Compound | 2,329 m (7,641 ft) | Unknown | 79 km |
| Cagua | Stratovolcano | 1,133 m (3,717 ft) | 1860 | 197 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 0.2 in | Driest |
| February | 78°F (25°C) | 0.3 in | Coldest |
| March | 80°F (27°C) | 0.4 in | |
| April | 83°F (28°C) | 1.1 in | |
| May | 84°F (29°C) | 8.6 in | Warmest |
| June | 82°F (28°C) | 15.2 in | |
| July | 80°F (27°C) | 22.9 in | |
| August | 80°F (27°C) | 26.9 in | Wettest |
| September | 80°F (27°C) | 14.1 in | |
| October | 81°F (27°C) | 6.3 in | |
| November | 80°F (27°C) | 2.1 in | |
| December | 78°F (26°C) | 0.5 in |
Caoayan has a seasonal temperature swing of 6°F / from 78°F in February to 84°F in May. Total annual precipitation is 98.5 inches, with August being the wettest month (26.9") and January the driest (0.2").
Schools in Caoayan
17 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Rugsuanan-Puroc Elementary School | - | - | - | - |
| Pantay Tamurong National High School | - | - | - | - |
| Pantay Tamurong Elementary School | - | - | - | - |
| Vigan East National High School | - | - | - | - |
| Nagsangalan Elementary School | - | - | - | - |
| Caoayan Central School - Annex | - | - | - | - |
| Caoayan Central School | - | - | - | - |
| Tamag Elementary School | - | - | - | - |
| Camangaan Elementary School | - | - | - | - |
| Taguiporo Elementary School | - | - | - | - |
| Nagpanaoan Elementary School | - | - | - | - |
| San Julian Elementary School | - | - | - | - |
| Paing Elementary School | - | - | - | - |
| Anonang-Naguilian Community School | - | - | - | - |
| Cabaroan-Cabalangegan Elementary School | - | - | - | - |
| San Julian Elementary School | - | - | - | - |
| Raois Elementary School | - | - | - | - |
Radio Stations near Caoayan
3 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Love Radio Laoag | - | MP3 64 kbps | |
| Love Radio Tuguegarao | - | MP3 64 kbps | |
| Radyo Natin Bangued | - | AAC 64 kbps |
Museums in Caoayan
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Burgos Museum | ||||
| Crisologo Museum | ||||
| Gregoria M. Rivera Memorial Library & Museum | ||||
| National Museum of the Philippines - Ilocos |
Libraries in Caoayan
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Abra Provincial Library | 0.0 | |||||
| Burgos Library | 0.0 | |||||
| CCIT Library | 0.0 | |||||
| Gregoria M. Rivera Memorial Library and Museum | 0.0 |
Farmers Markets in Caoayan
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Bangued Central Market | |||||
| Cabugao Public Market | |||||
| JTC Supermart | |||||
| Magsingal Public Market | |||||
| Narvacan Farmers Market | |||||
| Narvacan Public Market | |||||
| Public Market | |||||
| San Ildefonso Public Market | |||||
| San Juan Public Market | |||||
| Santa Public Market | |||||
| Santo Domingo Mall | |||||
| Vigan City Public Market |
Restaurants in Caoayan
2 restaurants within city radius - OpenStreetMap data
Cafes in Caoayan
1 cafes within city radius - OpenStreetMap data
Gas Stations in Caoayan
2 gas stations within city radius - OpenStreetMap data
Airports Near Caoayan
4 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Laoag International Airport | LAO | Large Airport |
| Dibagat Airstrip | - | Small Airport |
| Lepanto Mines Airstrip | - | Small Airport |
| Vigan Airport | - | Small Airport |
Churches & Religious Organizations in Caoayan
2 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Christ the King Catholic Church | |
| Kingdom Hall of Jehovah's Witnesses |
Quick Facts
🇵🇭 About Philippines
Public Holidays in Philippines
18 public holidays this year
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Get ReportFrequently Asked Questions About Caoayan
What is the population of Caoayan?
Caoayan has a population of 3,386 residents and is located in Philippines. The population density is 349 people per square mile, spread across 9.7 square miles.
What is the weather like in Caoayan?
Caoayan has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 79°F in January, while summers reach an average of 80°F in July. The area receives 328 sunny days per year, well above the national average of 205. Annual rainfall totals 101.9 inches.