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Siay, Philippines

Zamboanga Peninsula · Philippines

Siay is a small town in Zamboanga Peninsula, Philippines with a population of 2,351. Elevation: 20 ft (6 m). Average temperature: 81°F (27°C).

2,351 Population 19/sq mi density
20 ft Elevation 6 meters
81°F Avg Temperature 27°C
100.0 in Annual Rain
Asia / Manila Timezone

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About Siay

Siay

Siay, officially the Municipality of Siay, is a municipality in the province of Zamboanga Sibugay, Philippines. According to the 2024 census, it has a population of 43,233 people.

People

Population2,351
Density19/mi²

Climate

Avg Temp81°F (27°C)
Rain100.0 in/yr
Sunny Days157/yr
Elevation20 ft (6 m)
Population2,351
Population Density19 / sq mi
Elevation20 ft (6 m)
Coordinates7.6961°, 122.8631°
TimezoneAsia/Manila
Country🇵🇭 Philippines
State / ProvinceZamboanga Peninsula
Average Temperature81°F (27°C)
January Average80°F (27°C)
July Average80°F (27°C)
Annual Precipitation100.0 inches (2,541 mm)
Annual Snowfall0.0 inches (0 cm)

About Siay

Siay is a small town in Philippines (Zamboanga Peninsula) with a population of 2,351. The city sits at an elevation of 20 feet (6 meters) above sea level. The average annual temperature is 81°F (27°C). Temperatures range from 80°F in January to 80°F in July. Annual precipitation averages 100.0 inches. The timezone is Asia/Manila.

Siay has a warm climate with an average annual temperature of 81°F (27°C). Winters average 80°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 157 sunny days per year, below the national average of 205. Annual precipitation totals 100.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet, near sea level.

Temperature

80°F Jan (27°C) 80°F Jul (27°C)
Annual Average80.6°F
49% above Philippines avg
January Average80°F (27°C)
July Average80°F (27°C)
Sunny Days157 days/yr

Geography

Elevation20 ft (6 m)
Area121.1 sq mi (313.6 km²)
Population Density19/sq mi
Coordinates7.6961°N, 122.8631°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 100.0"
163% above Philippines avg
Snowfall 0.0"
Wettest Month (Jun) 13.74"
Driest Month (Feb) 2.60"

Air Quality

Earthquake History

264 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.6. Most recent: M4.8 on May 18, 2025.

Jul 23, 2010 61 km W of Bantogon, Philippines M7.6 150 km
Jul 23, 2010 72 km S of Panubigan, Philippines M7.5 111 km
Jul 23, 2010 68 km W of Gadung, Philippines M7.3 124 km
May 26, 2003 34 km W of Gadung, Philippines M6.9 140 km
Jul 29, 2010 89 km W of Bantogon, Philippines M6.6 134 km
Oct 4, 2009 71 km W of Gadung, Philippines M6.6 121 km
May 23, 1998 6 km WNW of Tabid, Philippines M6.0 107 km
Apr 13, 2016 15 km NW of Siocon, Philippines M6.0 93 km
May 10, 2018 29 km WNW of Gadung, Philippines M5.9 135 km
May 26, 2003 15 km W of Gadung, Philippines M5.9 149 km
May 13, 1994 6 km SW of Balagon, Philippines M5.9 47 km
Aug 13, 2022 Moro Gulf, Mindanao, Philippines M5.8 135 km
Oct 16, 1993 2 km NE of Malim, Philippines M5.8 69 km
Jul 23, 2010 29 km W of Litayan, Philippines M5.8 108 km
Jul 23, 2010 66 km W of Bantogon, Philippines M5.8 143 km
Feb 23, 1991 44 km WNW of Kalawit, Philippines M5.7 96 km
Jun 14, 2002 5 km W of Malabang, Philippines M5.6 128 km
Oct 4, 2009 55 km WSW of Gadung, Philippines M5.6 135 km
Oct 18, 1991 12 km N of Siocon, Philippines M5.6 82 km
Dec 2, 1997 51 km W of Gadung, Philippines M5.5 130 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2021 Rai Category 4 270 km
2012 Bopha Category 3 153 km
1984 Ike Category 4 279 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 80 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Cuernos de Negros (176 km).

Name Type Elevation Last Eruption Distance
Cuernos de Negros Complex 1,862 m (6,109 ft) Unknown 176 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 80°F (27°C) 2.7 in
February 80°F (27°C) 2.6 in Coldest, Driest
March 81°F (27°C) 3.6 in
April 82°F (28°C) 5.0 in
May 82°F (28°C) 9.2 in Warmest
June 81°F (27°C) 13.7 in Wettest
July 80°F (27°C) 13.2 in
August 80°F (27°C) 12.0 in
September 80°F (27°C) 12.2 in
October 81°F (27°C) 11.9 in
November 81°F (27°C) 9.7 in
December 80°F (27°C) 4.3 in

Siay has a seasonal temperature swing of 2°F / from 80°F in February to 82°F in May. Total annual precipitation is 100.0 inches, with June being the wettest month (13.7") and February the driest (2.6").

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Schools in Siay

10 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
Binangonan Elementary School
Guiwan Elementary School
Sibuguey Elementary School
Balucanan Elementary School
Salinding Elementary School
Mirangan Elementary School
Coloran Elementary School
Siay National High School
Bulawan National High School
Bulawan Elementary School
View full schools details →

Radio Stations near Siay

1 stations within ~55 km.

Station Genre Quality
AWR Zamboanga Peninsula MP3 192 kbps

Farmers Markets in Siay

NameAddressSeasonHoursOrganicWebsite
Bayog Public Market
Imelda Public Market
Public Market - Dry Goods Section
Wet Market

Gas Stations in Siay

2 gas stations within city radius — OpenStreetMap data

JFK Gas Station
Phoenix

Airports Near Siay

6 airports within the area.

AirportIATAType
Pagadian AirportPAGMedium Airport
Ipil AirportIPESmall Airport
Liloy Community AirportSmall Airport
Malangas AirportSmall Airport
Siocon AirportXSOSmall Airport
Sirawai AirportSmall Airport

Quick Facts

Timezone
Asia/Manila
Elevation
34 m (112 ft)
Area
313.7 km² (121.1 mi²)
Founded
1956
Postal Code
7006
Website
siaysibugay.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 Siay

What is the population of Siay?

Siay has a population of 2,351 residents and is located in Philippines. The population density is 19 people per square mile, spread across 121.1 square miles.

What is the weather like in Siay?

Siay has a warm climate with an average annual temperature of 81°F (27°C). Winter temperatures average 80°F in January, while summers reach an average of 80°F in July. The area receives 157 sunny days per year, below the national average of 205. Annual rainfall totals 100.0 inches.

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