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Weather & Climate in Biao, Philippines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Biao has a warm climate with an average annual temperature of 81°F (27°C). Winters average 79°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 199 sunny days per year. Annual precipitation totals 75.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 620 feet.
Temperature
79°F Jan (26°C)
81°F Jul (27°C)
| Annual Average | 80.8°F |
| 50% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 199 days/yr |
Geography
| Elevation | 620 ft (189 m) |
| Area | 121.1 sq mi (313.7 km²) |
| Population Density | 99/sq mi |
| Coordinates | 7.1633°N, 125.5211°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
1,242 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Jan 1, 2001 | 21 km SE of Lukatan, Philippines | M7.5 | 120 km | 33 km |
| May 17, 1992 | 23 km ESE of Santiago, Philippines | M7.3 | 137 km | 33 km |
| May 17, 1992 | 9 km SE of Santiago, Philippines | M7.1 | 124 km | 33 km |
| May 11, 1993 | 3 km E of Manay, Philippines | M7.0 | 116 km | 59 km |
| Jan 2, 2001 | 51 km SE of Lukatan, Philippines | M6.4 | 149 km | 33 km |
| Jan 1, 2002 | 3 km S of Lais, Philippines | M6.3 | 97 km | 138 km |
| Sep 23, 2016 | 36 km SE of Tamisan, Philippines | M6.3 | 126 km | 65 km |
| Oct 5, 2000 | 46 km ESE of Jovellar, Philippines | M6.1 | 148 km | 87 km |
| May 31, 2019 | 34 km ESE of Pondaguitan, Philippines | M6.1 | 144 km | 99 km |
| Feb 1, 2023 | 1 km NW of Babag, Philippines | M6.0 | 87 km | 19 km |
| Feb 7, 2021 | 9 km W of Magsaysay, Philippines | M6.0 | 64 km | 16 km |
| Apr 5, 2018 | 43 km ESE of Tarragona, Philippines | M6.0 | 144 km | 34 km |
| Nov 21, 1996 | 27 km SE of Tamisan, Philippines | M5.9 | 118 km | 53 km |
| Jul 6, 1994 | 27 km E of Mangili, Philippines | M5.9 | 139 km | 151 km |
| Mar 7, 2023 | 6 km SE of Manat, Philippines | M5.9 | 70 km | 16 km |
| Aug 19, 1993 | 27 km ESE of Santiago, Philippines | M5.9 | 142 km | 31 km |
| Aug 5, 2017 | Mindanao, Philippines | M5.8 | 117 km | 76 km |
| May 15, 1993 | 9 km SE of Santiago, Philippines | M5.8 | 124 km | 31 km |
| Jun 13, 1990 | 24 km E of Pondaguitan, Philippines | M5.8 | 131 km | 77 km |
| May 16, 2004 | 4 km NE of Bantacan, Philippines | M5.8 | 88 km | 12 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2012 | Bopha | Category 5 | 115 mph | 82 km |
| 1993 | Nell | Category 1 | 69 mph | 260 km |
| 1986 | Marge | Category 2 | 98 mph | 270 km |
| 1984 | Ike | Category 4 | 104 mph | 270 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1992 | PHILIPPINES | Earthquake | 6.0 m | — | 137 km |
| 1917 | CELEBES SEA | Earthquake | 1.5 m | 7 | 142 km |
| 2025 | MINDANAO ISLAND, PHILIPPINES | Earthquake | 0.3 m | 10 | 130 km |
| 1970 | PHILIPPINE TRENCH | Earthquake | 0.1 m | — | 136 km |
| 1928 | CELEBES SEA | Earthquake | — | 97 | 150 km |
| 1924 | E. MINDANAO ISLAND | Eruption + Earthquake | — | — | 131 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Apo (34 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Apo | Stratovolcano | 2,938 m (9,639 ft) | Unknown | 34 km |
| Leonard Range | Stratovolcano | 1,080 m (3,543 ft) | 120 | 63 km |
| Matutum | Stratovolcano | 2,286 m (7,500 ft) | 1290 | 101 km |
| Balut | Stratovolcano | 862 m (2,828 ft) | Unknown | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 6.1 in | Coldest |
| February | 80°F (26°C) | 5.1 in | |
| March | 81°F (27°C) | 4.3 in | Driest |
| April | 82°F (28°C) | 5.5 in | |
| May | 82°F (28°C) | 7.2 in | Warmest |
| June | 81°F (27°C) | 7.9 in | Wettest |
| July | 81°F (27°C) | 6.4 in | |
| August | 81°F (27°C) | 6.7 in | |
| September | 81°F (27°C) | 7.0 in | |
| October | 81°F (27°C) | 7.5 in | |
| November | 81°F (27°C) | 6.4 in | |
| December | 80°F (27°C) | 5.5 in |
Biao has a seasonal temperature swing of 3°F / from 79°F in January to 82°F in May. Total annual precipitation is 75.6 inches, with June being the wettest month (7.9") and March the driest (4.3").