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Weather & Climate in San Antonio, Philippines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Antonio has a warm climate with an average annual temperature of 80°F (27°C). Winters average 76°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 307 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 105.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 16 feet.
Temperature
76°F Jan (25°C)
81°F Jul (27°C)
| Annual Average | 79.8°F |
| 48% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 307 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 72.1 sq mi (186.7 km²) |
| Population Density | 124/sq mi |
| Coordinates | 12.4129°N, 124.2791°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
878 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Apr 21, 1995 | 10 km E of Dapdap, Philippines | M7.2 | 147 km | 21 km |
| Jun 11, 1996 | 8 km NNE of Palapag, Philippines | M7.1 | 98 km | 33 km |
| May 5, 1995 | 14 km NE of Cabatuan, Philippines | M7.1 | 113 km | 16 km |
| Apr 21, 1995 | 14 km ESE of Can-Avid, Philippines | M6.8 | 150 km | 17 km |
| Apr 23, 1995 | 10 km E of Gamay, Philippines | M6.8 | 121 km | 24 km |
| Jul 6, 2017 | 2 km S of Lim-oo, Philippines | M6.5 | 148 km | 9 km |
| Oct 2, 1996 | 3 km ENE of San Julian, Philippines | M6.4 | 150 km | 33 km |
| Apr 23, 2019 | 17 km ESE of Tutubigan, Philippines | M6.4 | 124 km | 56 km |
| Feb 15, 2003 | 11 km SSW of San Vicente, Philippines | M6.3 | 35 km | 10 km |
| Jun 9, 1994 | 18 km ENE of Rapu-Rapu, Philippines | M6.2 | 94 km | 76 km |
| May 5, 1995 | 12 km N of Cabatuan, Philippines | M6.1 | 107 km | 33 km |
| Jun 14, 1996 | 16 km N of Cabodiongan, Philippines | M6.1 | 95 km | 29 km |
| Feb 15, 2023 | 9 km NNE of Miaga, Philippines | M6.1 | 47 km | 8 km |
| Jun 26, 2003 | 4 km ENE of Miaga, Philippines | M6.0 | 50 km | 10 km |
| Jul 1, 2003 | 22 km NW of Cabodiongan, Philippines | M6.0 | 80 km | 33 km |
| Nov 5, 1998 | 22 km N of Cabodiongan, Philippines | M5.9 | 96 km | 33 km |
| Jul 12, 1995 | 3 km ESE of Las Navas, Philippines | M5.9 | 85 km | 34 km |
| Dec 28, 1993 | 5 km NNE of Mapanas, Philippines | M5.9 | 108 km | 40 km |
| Feb 15, 2003 | 2 km N of Palanas, Philippines | M5.8 | 47 km | 10 km |
| Apr 18, 1996 | 18 km NNW of Cabodiongan, Philippines | M5.8 | 89 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
72 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 | — | 185 km |
| 2025 | Kalmaegi | Category 2 | — | 147 km |
| 2024 | Man-yi | Category 5 | 121 mph | 159 km |
| 2022 | Noru | Category 5 | 109 mph | 297 km |
| 2021 | Rai | Category 5 | 121 mph | 257 km |
| 2021 | Surigae | Category 4 | 121 mph | 289 km |
| 2020 | Goni | Category 5 | 138 mph | 132 km |
| 2020 | Vamco | Category 3 | 86 mph | 244 km |
| 2020 | Vongfong | Category 3 | 98 mph | 22 km |
| 2020 | Molave | Category 1 | 81 mph | 112 km |
| 2019 | Kammuri | Category 4 | 104 mph | 68 km |
| 2019 | Phanfone | Category 3 | 92 mph | 93 km |
| 2016 | Nock-ten | Category 5 | 121 mph | 125 km |
| 2016 | Sarika | Category 3 | 98 mph | 203 km |
| 2015 | Melor | Category 4 | 109 mph | 41 km |
| 2015 | Noul | Category 3 | 104 mph | 288 km |
| 2015 | Mekkhala | Category 1 | 69 mph | 175 km |
| 2014 | Hagupit | Category 4 | 109 mph | 31 km |
| 2014 | Rammasun | Category 4 | 98 mph | 80 km |
| 2013 | Haiyan | Category 5 | 144 mph | 149 km |
Source: NOAA IBTrACS (Category 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 |
| 1995 | SAMAR ISLAND | Earthquake | 2.0 m | — | 147 km |
| 2003 | SAMAR SEA | Eruption + Earthquake | 1.0 m | — | 35 km |
| 1925 | PHILIPPINE SEA | Earthquake | — | — | 102 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Bulusan (46 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Bulusan | Stratovolcano(es) | 1,535 m (5,036 ft) | 2017 | 46 km |
| Pocdol Mountains | Compound | 1,102 m (3,615 ft) | Unknown | 79 km |
| Biliran | Compound | 1,301 m (4,268 ft) | 1939 | 103 km |
| Isarog | Stratovolcano | 1,966 m (6,450 ft) | -3500 | 169 km |
| Mahagnao | Stratovolcano | 860 m (2,822 ft) | Unknown | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 11.0 in | Coldest |
| February | 77°F (25°C) | 7.5 in | |
| March | 78°F (26°C) | 5.8 in | |
| April | 80°F (27°C) | 4.7 in | Driest |
| May | 82°F (28°C) | 5.7 in | Warmest |
| June | 82°F (28°C) | 7.4 in | |
| July | 81°F (27°C) | 9.1 in | |
| August | 82°F (28°C) | 7.5 in | |
| September | 81°F (27°C) | 9.4 in | |
| October | 80°F (27°C) | 12.3 in | |
| November | 79°F (26°C) | 14.7 in | |
| December | 78°F (25°C) | 15.2 in | Wettest |
San Antonio has a seasonal temperature swing of 6°F / from 76°F in January to 82°F in May. Total annual precipitation is 110.3 inches, with December being the wettest month (15.2") and April the driest (4.7").