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Weather & Climate in Calasiao, Philippines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Calasiao has a warm climate with an average annual temperature of 81°F (27°C). Winters average 79°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 335 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 108.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 30 feet.
Temperature
79°F Jan (26°C)
80°F Jul (27°C)
| Annual Average | 81.1°F |
| 50% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 335 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 18.7 sq mi (48.4 km²) |
| Population Density | 5,393/sq mi |
| Coordinates | 16.0111°N, 120.3600°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
777 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.7.
| Jul 16, 1990 | 4 km E of Macapsing, Philippines | M7.7 | 94 km | 25 km |
| Dec 11, 1999 | 14 km WNW of Bolitoc, Philippines | M7.3 | 72 km | 33 km |
| Jul 17, 1990 | 14 km NNW of Salinas, Philippines | M6.5 | 85 km | 23 km |
| Mar 19, 1992 | 7 km NNW of Besao, Philippines | M6.3 | 137 km | 15 km |
| Jan 6, 2000 | Luzon, Philippines | M6.2 | 94 km | 33 km |
| Jul 17, 1990 | 10 km ESE of Ambuclao, Philippines | M6.1 | 69 km | 18 km |
| Apr 22, 2019 | 3 km WSW of San Francisco, Philippines | M6.1 | 119 km | 22 km |
| Aug 23, 1998 | 22 km W of Sabang, Philippines | M6.1 | 150 km | 70 km |
| Jan 6, 2003 | 25 km WSW of Bolitoc, Philippines | M6.0 | 85 km | 10 km |
| Jul 25, 2011 | Luzon, Philippines | M5.9 | 123 km | 35 km |
| Jun 16, 2012 | 37 km WSW of Bolitoc, Philippines | M5.9 | 97 km | 28 km |
| Nov 20, 1996 | 3 km ENE of Taloy, Philippines | M5.9 | 42 km | 33 km |
| Jan 10, 2015 | 5 km NW of Mabayo, Philippines | M5.9 | 138 km | 59 km |
| Jul 20, 1990 | 8 km WNW of Salinas, Philippines | M5.8 | 75 km | 17 km |
| Jul 21, 1990 | 11 km WNW of Salinas, Philippines | M5.7 | 74 km | 26 km |
| Jun 14, 2000 | 24 km W of Tamorong, Philippines | M5.7 | 146 km | 63 km |
| Jul 16, 1990 | 2 km NNE of Caronoan West, Philippines | M5.7 | 32 km | 13 km |
| Jan 13, 2008 | 4 km SSE of Bontoc, Philippines | M5.7 | 133 km | 10 km |
| Jun 19, 2000 | 4 km WNW of Santa Maria, Philippines | M5.7 | 106 km | 33 km |
| Jun 15, 1991 | 6 km WSW of Calingcuan, Philippines | M5.7 | 79 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
96 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Fung-wong | Category 3 | — | 55 km |
| 2025 | Matmo | Category 1 | — | 124 km |
| 2025 | Co-may | Category 1 | — | 92 km |
| 2024 | Usagi | Category 4 | 109 mph | 280 km |
| 2024 | Man-yi | Category 4 | 115 mph | 65 km |
| 2024 | Yinxing | Category 4 | 115 mph | 270 km |
| 2024 | Ewiniar | Category 2 | 86 mph | 228 km |
| 2024 | Toraji | Category 1 | 81 mph | 135 km |
| 2023 | Saola | Category 4 | 109 mph | 279 km |
| 2022 | Noru | Category 4 | 109 mph | 75 km |
| 2022 | Ma-on | Category 1 | — | 257 km |
| 2020 | Vamco | Category 3 | 86 mph | 94 km |
| 2020 | Goni | Category 3 | 69 mph | 270 km |
| 2019 | Kammuri | Category 1 | 75 mph | 287 km |
| 2018 | Mangkhut | Category 5 | 127 mph | 235 km |
| 2018 | Yutu | Category 3 | 92 mph | 68 km |
| 2016 | Haima | Category 4 | 104 mph | 239 km |
| 2016 | Sarika | Category 4 | 109 mph | 47 km |
| 2016 | Nock-ten | Category 3 | 98 mph | 229 km |
| 2016 | Tokage | Category 1 | 52 mph | 243 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 4.3 m (14 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1970 | PHILIPPINE SEA | Earthquake | 4.3 m | 15 | 147 km |
| 1990 | W. LUZON ISLAND | Earthquake | 2.0 m | 2,412 | 94 km |
| 1999 | LUZON ISLAND | Earthquake | 1.5 m | 5 | 72 km |
| 1872 | PHILIPPINES | Earthquake | — | — | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Pinatubo (98 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Pinatubo | Stratovolcano | 1,486 m (4,875 ft) | 1993 | 98 km |
| Arayat | Stratovolcano | 1,026 m (3,366 ft) | Unknown | 99 km |
| Natib | Stratovolcano | 1,253 m (4,111 ft) | Unknown | 144 km |
| Mariveles | Stratovolcano | 1,388 m (4,554 ft) | -2050 | 166 km |
| Ambalatungan Group | Compound | 2,329 m (7,641 ft) | Unknown | 166 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 0.4 in | Coldest, Driest |
| February | 80°F (27°C) | 0.4 in | |
| March | 83°F (28°C) | 0.9 in | |
| April | 85°F (29°C) | 2.2 in | Warmest |
| May | 85°F (29°C) | 9.1 in | |
| June | 84°F (29°C) | 13.1 in | |
| July | 80°F (27°C) | 20.6 in | |
| August | 82°F (28°C) | 23.5 in | Wettest |
| September | 82°F (28°C) | 14.8 in | |
| October | 82°F (28°C) | 8.1 in | |
| November | 81°F (27°C) | 3.0 in | |
| December | 80°F (26°C) | 0.9 in |
Calasiao has a seasonal temperature swing of 6°F / from 79°F in January to 85°F in April. Total annual precipitation is 96.8 inches, with August being the wettest month (23.5") and January the driest (0.4").