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Siayan, Philippines

Zamboanga Peninsula · Philippines

Siayan is a small town in Zamboanga Peninsula, Philippines with a population of 4,906. Elevation: 194 ft (59 m). Average temperature: 80°F (27°C).

4,906 Population 28/sq mi density
194 ft Elevation 59 meters
80°F Avg Temperature 27°C
103.1 in Annual Rain
Asia / Manila Timezone

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About Siayan

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

Population4,906
Density28/mi²

Climate

Avg Temp80°F (27°C)
Rain103.1 in/yr
Sunny Days150/yr
Elevation194 ft (59 m)
Population4,906
Population Density28 / sq mi
Elevation194 ft (59 m)
Coordinates8.2667°, 123.1000°
TimezoneAsia/Manila
Country🇵🇭 Philippines
State / ProvinceZamboanga Peninsula
Average Temperature80°F (27°C)
January Average79°F (26°C)
July Average80°F (27°C)
Annual Precipitation103.1 inches (2,618 mm)
Annual Snowfall0.0 inches (0 cm)

About Siayan

Siayan is a small town in Philippines (Zamboanga Peninsula) with a population of 4,906. 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.

Siayan has a warm climate with an average annual temperature of 80°F (27°C). Winters average 79°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 150 sunny days per year, below the national average of 205. Annual precipitation totals 103.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 194 feet.

Temperature

79°F Jan (26°C) 80°F Jul (27°C)
Annual Average80.3°F
49% above Philippines avg
January Average79°F (26°C)
July Average80°F (27°C)
Sunny Days150 days/yr

Geography

Elevation194 ft (59 m)
Area174.1 sq mi (451.0 km²)
Population Density28/sq mi
Coordinates8.2667°N, 123.1000°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 103.1"
171% above Philippines avg
Snowfall 0.0"
Wettest Month (Jun) 13.39"
Driest Month (Feb) 3.07"

Air Quality

Earthquake History

204 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.0. Most recent: M4.5 on Aug 21, 2025.

Apr 13, 2016 15 km NW of Siocon, Philippines M6.0 130 km
May 23, 1998 6 km WNW of Tabid, Philippines M6.0 70 km
May 13, 1994 6 km SW of Balagon, Philippines M5.9 34 km
Oct 16, 1993 2 km NE of Malim, Philippines M5.8 96 km
Jul 23, 2010 29 km W of Litayan, Philippines M5.8 128 km
Feb 23, 1991 44 km WNW of Kalawit, Philippines M5.7 107 km
Oct 18, 1991 12 km N of Siocon, Philippines M5.6 118 km
Jun 14, 2002 5 km W of Malabang, Philippines M5.6 126 km
Feb 26, 2004 9 km NNW of Josefina, Philippines M5.5 46 km
Jan 7, 2019 27 km NW of Siocon, Philippines M5.5 134 km
Sep 8, 1999 44 km SE of Malim, Philippines M5.5 141 km
Apr 28, 1992 50 km NW of Matangad, Philippines M5.4 129 km
Jun 6, 1995 39 km SE of Malim, Philippines M5.4 135 km
Jan 23, 2025 8 km E of Siocon, Philippines M5.4 117 km
Oct 2, 2012 15 km NNW of Dumingag, Philippines M5.3 21 km
Jun 1, 2018 32 km ESE of Malim, Philippines M5.3 125 km
Oct 1, 2011 30 km ESE of Malim, Philippines M5.3 120 km
Aug 2, 2015 2 km SSW of Lapase, Philippines M5.2 84 km
May 9, 1995 31 km W of Litayan, Philippines M5.1 125 km
Mar 31, 2000 22 km ESE of San Pablo, Philippines M5.1 99 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

10 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year Name Category Closest
2025 Kalmaegi Category 2 246 km
2021 Rai Category 4 205 km
2012 Bopha Category 3 85 km
1995 Zack Category 2 282 km
1994 Owen Category 1 253 km
1993 Nell Category 1 262 km
1990 Mike Category 4 260 km
1986 Marge Category 1 253 km
1984 Ike Category 4 211 km
1982 Nelson Category 3 276 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

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
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

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
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

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").

View full weather details →

Schools in Siayan

19 public schools (NCES 2022-23 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
View full schools details →

Radio Stations near Siayan

1 stations within ~55 km.

Station Genre Quality
Unbox Radio pop, top40 MP3

Farmers Markets in Siayan

NameAddressSeasonHoursOrganicWebsite
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

PH #1014487868

Airports Near Siayan

6 airports within the area.

AirportIATAType
Dipolog AirportDPLMedium Airport
Labo AirportOZCMedium Airport
Pagadian AirportPAGMedium Airport
Ipil AirportIPESmall Airport
Liloy Community AirportSmall Airport
Malangas AirportSmall Airport

Explore Near Siayan

Waterfalls
4
Natural waterfalls documented by USGS and OpenStreetMap contributors
View all →

Quick Facts

Timezone
Asia/Manila
Elevation
193 m (633 ft)
Area
494.8 km² (191.0 mi²)
Postal Code
7113
Website
siayan.gov.ph/

🇵🇭 About Philippines

Capital Manila
Population 106,651,922
Area 300,000 km²
GDP (USD) $437,055,627,244
GDP per capita $3,804
HDI 0.710
Life expectancy 69.8 years
Internet users 83.8%
Urban population 55.1%
Currency PHP (Peso)
Languages English, Filipino
Calling code +63
TLD .ph
Driving side right

Public Holidays in Philippines

18 public holidays this year

Date Holiday Local Name
Jan 1 New Year's Day Bagong Taon
Feb 17 Chinese New Year Chinese New Year
Apr 2 Maundy Thursday Huwebes Santo
Apr 3 Good Friday Biyernes Santo
Apr 4 Holy Saturday Sabado de Gloria
Apr 9 Day of Valor Araw ng Kagitingan
May 1 Labour Day Araw ng Paggawa
Jun 12 Independence Day Araw ng Kalayaan
Aug 21 Ninoy Aquino Day Araw ng Kamatayan ni Senador Benigno Simeon "Ninoy" Aquino Jr.
Aug 31 National Heroes Day Araw ng mga Bayani
Oct 31 All Saints' Day Eve All Saints' Day Eve
Nov 1 All Saints' Day Araw ng mga Santo
Nov 30 Bonifacio Day Araw ni Gat Andres Bonifacio
Dec 8 Feast of the Immaculate Conception of Mary Kapistahan ng Immaculada Concepcion
Dec 24 Christmas Eve Christmas Eve
Dec 25 Christmas Day Araw ng Pasko
Dec 30 Rizal Day Araw ng Kamatayan ni Dr. Jose Rizal
Dec 31 Last Day of The Year Huling Araw ng Taon

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Frequently Asked Questions About Siayan

What is the population of Siayan?

Siayan has a population of 4,906 residents and is located in Philippines. The population density is 28 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. The area receives 150 sunny days per year, below the national average of 205. Annual rainfall totals 103.1 inches.

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