Siayan, Philippines
Zamboanga Peninsula · Philippines
Siayan is a mid-size city in Zamboanga Peninsula, Philippines with a population of 40,937. Elevation: 194 ft (59 m). Average temperature: 80°F (27°C).
Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026
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About Siayan
Siayan, officially the Municipality of Siayan, is a municipality in the province of Zamboanga del Norte, Philippines. According to the 2024 census, it has a population of 40,937 people.
People
Climate
| Population | 40,937 |
| Population Density | 235 / sq mi |
| Elevation | 194 ft (59 m) |
| Coordinates | 8.2667°, 123.1000° |
| Timezone | Asia/Manila |
| Country | 🇵🇭 Philippines |
| State / Province | Zamboanga Peninsula |
| Average Temperature | 80°F (27°C) |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
| Annual Precipitation | 103.1 inches (2,618 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Siayan
Siayan is a mid-size city in Philippines (Zamboanga Peninsula) with a population of 40,937. 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 79°F in January to 80°F in July. Annual precipitation averages 103.1 inches. The timezone is Asia/Manila.
Climate in Siayan
Siayan has an average annual temperature of 27°C (81°F). The hottest month is May (28.1°C), the coldest is Jan (26.1°C). Average annual precipitation is 2271 mm.
Temperature
| Annual Average | 80.3°F |
| 49% above Philippines avg | |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
Geography
| Elevation | 194 ft (59 m) |
| Area | 174.1 sq mi (451.0 km²) |
| Population Density | 235/sq mi |
| Coordinates | 8.2667°N, 123.1000°E |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.0 m (0 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1978 | MINDANAO ISLAND, PHILIPPINES | Earthquake | 0.0 m | - | 77 km |
Nearby Volcanoes
1 volcano within 200 km. Closest: Cuernos de Negros (110 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Cuernos de Negros | Complex | 1,862 m (6,109 ft) | Unknown | 110 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 4.0 in | Coldest |
| February | 80°F (26°C) | 3.1 in | Driest |
| March | 81°F (27°C) | 3.7 in | |
| April | 82°F (28°C) | 4.4 in | Warmest |
| May | 82°F (28°C) | 9.1 in | |
| June | 81°F (27°C) | 13.4 in | Wettest |
| July | 80°F (27°C) | 12.2 in | |
| August | 80°F (27°C) | 11.7 in | |
| September | 80°F (27°C) | 11.9 in | |
| October | 80°F (27°C) | 12.1 in | |
| November | 80°F (27°C) | 11.1 in | |
| December | 80°F (27°C) | 6.3 in |
Siayan has a seasonal temperature swing of 3°F / from 79°F in January to 82°F in April. Total annual precipitation is 103.1 inches, with June being the wettest month (13.4") and February the driest (3.1").
Schools in Siayan
19 public schools (OpenStreetMap data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Moyo Elementary School | - | - | - | - |
| Lipay Elementary School | - | - | - | - |
| Gunyan National High School – Annex | - | - | - | - |
| Tulohon Elementary School | - | - | - | - |
| Siayan Central School | - | - | - | - |
| Siayan National High School | - | - | - | - |
| Balok Elementary School | - | - | - | - |
| Dinasan National High School | - | - | - | - |
| Pase Elementary School | - | - | - | - |
| Bulanao Elementary School | - | - | - | - |
| Dinasan Elementary School | - | - | - | - |
| Litolet Elementary School | - | - | - | - |
| Gunyan Elementary School | - | - | - | - |
| Paranglumba Elementary School | - | - | - | - |
| Denuyan Elementary School | - | - | - | - |
| Muñoz Elementary School | - | - | - | - |
| Dumpilas Elementary School | - | - | - | - |
| Domogok Elementary School | - | - | - | - |
| Dalongdong Elementary School | - | - | - | - |
Radio Stations near Siayan
1 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Unbox Radio | pop, top40 | MP3 |
Farmers Markets in Siayan
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Bacungan Public Market | |||||
| Dumingag Public Market | |||||
| Jose Dalman Public Market | |||||
| Katipunan Public Market | |||||
| Manukan Public Market | |||||
| Midsalip Public Market | |||||
| Punta Public Market | |||||
| Sindangan People's Public Market | |||||
| Sindangan Public Market | |||||
| Taboan Public Market |
Gas Stations in Siayan
1 gas stations within city radius - OpenStreetMap data
Airports Near Siayan
6 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Dipolog Airport | DPL | Medium Airport |
| Labo Airport | OZC | Medium Airport |
| Pagadian Airport | PAG | Medium Airport |
| Ipil Airport | IPE | Small Airport |
| Liloy Community Airport | - | Small Airport |
| Malangas Airport | - | Small Airport |
Explore Near Siayan
Waterfalls Near Siayan
4 waterfalls from OpenStreetMap and USGS geographic data found near Siayan.
| Name | Description |
|---|---|
| Dinasan Waterfalls 1 | |
| Dinasan Waterfalls 2 | |
| Gampangan Falls | |
| Supot Falls |
Quick Facts
🇵🇭 About Philippines
Public Holidays in Philippines
18 public holidays this year
Frequently Asked Questions About Siayan
What is the population of Siayan?
Siayan has a population of 40,937 residents and is located in Philippines. The population density is 235 people per square mile, spread across 174.1 square miles.
What is the weather like in Siayan?
Siayan 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. Annual rainfall totals 103.1 inches.
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