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Biay, Philippines

Full City Profile

2,257 Population 13/sq mi density
39 ft Elevation 12 meters
81°F Avg Temperature 27°C
Biay has a warm climate with an average annual temperature of 81°F (27°C). Winters average 78°F in January while summers reach 80°F in July. The area gets 198 sunny days per year. Annual precipitation totals 118.8 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (26°C) 80°F Jul (27°C)
Annual Average80.7°F
49% above US avg
January Average78°F (26°C)
July Average80°F (27°C)
Sunny Days198 days/yr

Geography

Elevation39 ft (12 m)
Area169.3 sq mi (438.5 km²)
Population Density13/sq mi
Coordinates15.7402°N, 119.9067°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 118.8"
213% above US avg
Snowfall 0.0"
Wettest Month (Aug) 33.86"
Driest Month (Feb) 0.20"

Air Quality

Earthquake History

718 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.7. Most recent: M4.3 on Jul 31, 2025.

Jul 16, 1990 4 km E of Macapsing, Philippines M7.7 136 km
Dec 11, 1999 14 km WNW of Bolitoc, Philippines M7.3 18 km
Jul 17, 1990 14 km NNW of Salinas, Philippines M6.5 142 km
Jan 6, 2000 Luzon, Philippines M6.2 60 km
Jul 30, 1996 38 km WSW of Sabang, Philippines M6.1 137 km
Aug 23, 1998 22 km W of Sabang, Philippines M6.1 117 km
Jul 17, 1990 10 km ESE of Ambuclao, Philippines M6.1 126 km
Apr 22, 2019 3 km WSW of San Francisco, Philippines M6.1 109 km
Jan 6, 2003 25 km WSW of Bolitoc, Philippines M6.0 28 km
Jan 24, 1990 78 km WSW of San Nicolas, Philippines M5.9 136 km
Jun 16, 2012 37 km WSW of Bolitoc, Philippines M5.9 40 km
Jul 25, 2011 Luzon, Philippines M5.9 89 km
Jan 10, 2015 5 km NW of Mabayo, Philippines M5.9 114 km
Nov 20, 1996 3 km ENE of Taloy, Philippines M5.9 95 km
Jul 20, 1990 8 km WNW of Salinas, Philippines M5.8 132 km
Jun 19, 2000 4 km WNW of Santa Maria, Philippines M5.7 147 km
Jul 21, 1990 11 km WNW of Salinas, Philippines M5.7 131 km
Jul 16, 1990 2 km NNE of Caronoan West, Philippines M5.7 84 km
Jun 15, 1991 6 km WSW of Calingcuan, Philippines M5.7 81 km
Jun 15, 1991 17 km WNW of Babo-Pangulo, Philippines M5.6 84 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

86 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year Name Category Closest
2025 Fung-wong Category 3 94 km
2025 Matmo Category 1 176 km
2025 Co-may Category 1 57 km
2024 Man-yi Category 4 120 km
2024 Yinxing Category 2 290 km
2024 Ewiniar Category 2 249 km
2024 Toraji Category 1 189 km
2022 Noru Category 4 27 km
2020 Vamco Category 3 61 km
2020 Molave Category 2 283 km
2020 Goni Category 1 274 km
2019 Kammuri Category 3 244 km
2018 Mangkhut Category 5 276 km
2018 Yutu Category 3 101 km
2016 Haima Category 4 283 km
2016 Sarika Category 4 51 km
2016 Nock-ten Category 3 183 km
2016 Tokage Category 1 211 km
2015 Koppu Category 4 112 km
2015 Melor Category 3 209 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).

Year Location Cause Max Wave Deaths Distance
1990 W. LUZON ISLAND Earthquake 2.0 m 2,412 136 km
1999 LUZON ISLAND Earthquake 1.5 m 5 18 km
1872 PHILIPPINES Earthquake 101 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Pinatubo (83 km).

Name Type Elevation Last Eruption Distance
Pinatubo Stratovolcano 1,486 m (4,875 ft) 1993 83 km
Arayat Stratovolcano 1,026 m (3,366 ft) Unknown 108 km
Natib Stratovolcano 1,253 m (4,111 ft) Unknown 125 km
Mariveles Stratovolcano 1,388 m (4,554 ft) -2050 148 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 78°F (26°C) 0.2 in Coldest
February 79°F (26°C) 0.2 in Driest
March 81°F (27°C) 0.8 in
April 84°F (29°C) 1.9 in Warmest
May 84°F (29°C) 10.1 in
June 82°F (28°C) 18.1 in
July 80°F (27°C) 23.5 in
August 80°F (27°C) 33.9 in Wettest
September 80°F (27°C) 18.2 in
October 81°F (27°C) 8.3 in
November 80°F (27°C) 2.7 in
December 79°F (26°C) 0.9 in

Biay has a seasonal temperature swing of 6°F / from 78°F in January to 84°F in April. Total annual precipitation is 118.8 inches, with August being the wettest month (33.9") and February the driest (0.2").

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