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Weather & Climate in Rosario, Philippines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rosario has a warm climate with an average annual temperature of 77°F (25°C). Winters average 79°F in January while summers reach 77°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 413 feet.
Temperature
79°F Jan (26°C)
77°F Jul (25°C)
| Annual Average | 77.4°F |
| 43% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 335 days/yr |
Geography
| Elevation | 413 ft (126 m) |
| Area | 28.6 sq mi (74.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 16.2304°N, 120.4863°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
747 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 | 96 km | 25 km |
| Dec 11, 1999 | 14 km WNW of Bolitoc, Philippines | M7.3 | 95 km | 33 km |
| Jul 27, 2022 | 11 km NE of Bantay, Philippines | M7.0 | 148 km | 34 km |
| Jul 17, 1990 | 14 km NNW of Salinas, Philippines | M6.5 | 60 km | 23 km |
| Mar 19, 1992 | 7 km NNW of Besao, Philippines | M6.3 | 109 km | 15 km |
| Jan 6, 2000 | Luzon, Philippines | M6.2 | 108 km | 33 km |
| Apr 22, 2019 | 3 km WSW of San Francisco, Philippines | M6.1 | 142 km | 22 km |
| Jul 17, 1990 | 10 km ESE of Ambuclao, Philippines | M6.1 | 44 km | 18 km |
| Jan 6, 2003 | 25 km WSW of Bolitoc, Philippines | M6.0 | 110 km | 10 km |
| Jun 16, 2012 | 37 km WSW of Bolitoc, Philippines | M5.9 | 122 km | 28 km |
| Nov 20, 1996 | 3 km ENE of Taloy, Philippines | M5.9 | 14 km | 33 km |
| Jul 20, 1990 | 8 km WNW of Salinas, Philippines | M5.8 | 51 km | 17 km |
| Jun 14, 2000 | 24 km W of Tamorong, Philippines | M5.7 | 124 km | 63 km |
| Jul 21, 1990 | 11 km WNW of Salinas, Philippines | M5.7 | 50 km | 26 km |
| Jul 16, 1990 | 2 km NNE of Caronoan West, Philippines | M5.7 | 7 km | 13 km |
| Jun 19, 2000 | 4 km WNW of Santa Maria, Philippines | M5.7 | 82 km | 33 km |
| Jan 13, 2008 | 4 km SSE of Bontoc, Philippines | M5.7 | 106 km | 10 km |
| Jun 15, 1991 | 6 km WSW of Calingcuan, Philippines | M5.7 | 102 km | 10 km |
| Jul 16, 1990 | 19 km NNW of Salinas, Philippines | M5.6 | 57 km | 16 km |
| Jul 23, 1990 | 6 km S of Loacan, Philippines | M5.6 | 34 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
99 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Fung-wong | Category 4 | — | 36 km |
| 2025 | Matmo | Category 1 | — | 96 km |
| 2025 | Co-may | Category 1 | — | 106 km |
| 2024 | Usagi | Category 4 | 109 mph | 253 km |
| 2024 | Man-yi | Category 4 | 115 mph | 38 km |
| 2024 | Yinxing | Category 4 | 115 mph | 249 km |
| 2024 | Ewiniar | Category 2 | 86 mph | 230 km |
| 2024 | Toraji | Category 1 | 81 mph | 108 km |
| 2023 | Saola | Category 4 | 109 mph | 261 km |
| 2022 | Noru | Category 4 | 109 mph | 103 km |
| 2022 | Ma-on | Category 1 | — | 231 km |
| 2020 | Vamco | Category 3 | 86 mph | 115 km |
| 2020 | Goni | Category 3 | 69 mph | 285 km |
| 2018 | Mangkhut | Category 5 | 127 mph | 209 km |
| 2018 | Yutu | Category 3 | 92 mph | 51 km |
| 2016 | Haima | Category 4 | 115 mph | 211 km |
| 2016 | Sarika | Category 4 | 109 mph | 42 km |
| 2016 | Nock-ten | Category 1 | 81 mph | 256 km |
| 2016 | Tokage | Category 1 | 52 mph | 249 km |
| 2015 | Noul | Category 5 | 127 mph | 285 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
5 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 | 140 km |
| 1990 | W. LUZON ISLAND | Earthquake | 2.0 m | 2,412 | 96 km |
| 1999 | LUZON ISLAND | Earthquake | 1.5 m | 5 | 95 km |
| 2022 | N. LUZON ISLAND | Earthquake | 0.1 m | 11 | 148 km |
| 1880 | E. LUZON ISLAND | Eruption + Earthquake | — | 20 | 148 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Arayat (118 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Arayat | Stratovolcano | 1,026 m (3,366 ft) | Unknown | 118 km |
| Pinatubo | Stratovolcano | 1,486 m (4,875 ft) | 1993 | 123 km |
| Ambalatungan Group | Compound | 2,329 m (7,641 ft) | Unknown | 138 km |
| Natib | Stratovolcano | 1,253 m (4,111 ft) | Unknown | 168 km |
| Mariveles | Stratovolcano | 1,388 m (4,554 ft) | -2050 | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 0.2 in | Driest |
| February | 76°F (24°C) | 0.3 in | |
| March | 78°F (26°C) | 0.9 in | |
| April | 81°F (27°C) | 2.1 in | |
| May | 81°F (27°C) | 8.4 in | Warmest |
| June | 80°F (27°C) | 12.6 in | |
| July | 77°F (25°C) | 16.3 in | |
| August | 78°F (26°C) | 22.8 in | Wettest |
| September | 78°F (26°C) | 14.7 in | |
| October | 78°F (26°C) | 7.5 in | |
| November | 77°F (25°C) | 3.2 in | |
| December | 76°F (24°C) | 0.9 in | Coldest |
Rosario has a seasonal temperature swing of 5°F / from 76°F in December to 81°F in May. Total annual precipitation is 89.9 inches, with August being the wettest month (22.8") and January the driest (0.2").