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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 75°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 204 sunny days per year. Annual precipitation totals 72.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 131 feet.
Temperature
75°F Jan (24°C)
83°F Jul (28°C)
| Annual Average | 80.3°F |
| 49% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 204 days/yr |
Geography
| Elevation | 131 ft (40 m) |
| Area | 180.4 sq mi (467.3 km²) |
| Population Density | 16/sq mi |
| Coordinates | 17.2733°N, 121.7912°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
451 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Jul 27, 2022 | 11 km NE of Bantay, Philippines | M7.0 | 107 km | 34 km |
| Jul 17, 1990 | 14 km NNW of Salinas, Philippines | M6.5 | 122 km | 23 km |
| Mar 19, 1992 | 7 km NNW of Besao, Philippines | M6.3 | 103 km | 15 km |
| Jul 17, 1990 | 10 km ESE of Ambuclao, Philippines | M6.1 | 138 km | 18 km |
| Jul 20, 1990 | 8 km WNW of Salinas, Philippines | M5.8 | 134 km | 17 km |
| Apr 8, 1997 | 29 km ENE of Piddig, Philippines | M5.8 | 146 km | 71 km |
| Mar 2, 2010 | Luzon, Philippines | M5.8 | 120 km | 17 km |
| Jul 21, 1990 | 11 km WNW of Salinas, Philippines | M5.7 | 134 km | 26 km |
| Jul 18, 2000 | 15 km ESE of Espiritu, Philippines | M5.7 | 128 km | 33 km |
| Jan 13, 2008 | 4 km SSE of Bontoc, Philippines | M5.7 | 89 km | 10 km |
| Jul 16, 1990 | 19 km NNW of Salinas, Philippines | M5.6 | 124 km | 16 km |
| Jul 18, 1990 | 13 km WNW of Busilak, Philippines | M5.6 | 119 km | 14 km |
| Jul 23, 1990 | 6 km S of Loacan, Philippines | M5.6 | 149 km | 20 km |
| Jan 12, 2001 | 19 km SE of Bantay, Philippines | M5.5 | 94 km | 33 km |
| Jun 21, 1990 | 52 km E of Awallan, Philippines | M5.4 | 94 km | 33 km |
| Jul 17, 1990 | 1 km WNW of Bone South, Philippines | M5.4 | 143 km | 13 km |
| Jan 8, 1993 | 21 km NW of Kabugao, Philippines | M5.4 | 126 km | 25 km |
| May 4, 2023 | Luzon, Philippines | M5.4 | 63 km | 19 km |
| Jul 22, 1990 | 7 km WSW of Busilak, Philippines | M5.4 | 121 km | 13 km |
| Jun 9, 2016 | 5 km WNW of Uddiawan, Philippines | M5.4 | 107 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
112 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 5 | — | 226 km |
| 2025 | Fung-wong | Category 4 | — | 131 km |
| 2025 | Co-may | Category 1 | — | 277 km |
| 2025 | Matmo | Category 1 | — | 64 km |
| 2024 | Krathon | Category 4 | 98 mph | 299 km |
| 2024 | Yinxing | Category 4 | 115 mph | 149 km |
| 2024 | Man-yi | Category 4 | 115 mph | 141 km |
| 2024 | Usagi | Category 4 | 109 mph | 77 km |
| 2024 | Ewiniar | Category 2 | 86 mph | 195 km |
| 2024 | Toraji | Category 1 | 81 mph | 76 km |
| 2023 | Saola | Category 5 | 115 mph | 122 km |
| 2023 | Doksuri | Category 4 | 115 mph | 186 km |
| 2022 | Noru | Category 5 | 109 mph | 234 km |
| 2022 | Ma-on | Category 1 | — | 50 km |
| 2021 | Chanthu | Category 5 | 132 mph | 188 km |
| 2020 | Vamco | Category 3 | 86 mph | 247 km |
| 2019 | Kalmaegi | Category 2 | 81 mph | 143 km |
| 2018 | Mangkhut | Category 5 | 127 mph | 91 km |
| 2018 | Yutu | Category 4 | 92 mph | 67 km |
| 2016 | Sarika | Category 4 | 109 mph | 175 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 0.2 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1968 | E. LUZON ISLAND | Earthquake | 0.2 m | 270 | 96 km |
| 2022 | N. LUZON ISLAND | Earthquake | 0.1 m | 11 | 107 km |
| 1983 | LUZON ISLAND | Earthquake | — | 16 | 145 km |
| 1880 | E. LUZON ISLAND | Eruption + Earthquake | — | 20 | 142 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Ambalatungan Group (74 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ambalatungan Group | Compound | 2,329 m (7,641 ft) | Unknown | 74 km |
| Cagua | Stratovolcano | 1,133 m (3,717 ft) | 1860 | 111 km |
| Camiguin de Babuyanes | Stratovolcano | 712 m (2,336 ft) | 1857 | 173 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 1.8 in | Coldest |
| February | 76°F (25°C) | 1.4 in | Driest |
| March | 80°F (27°C) | 1.5 in | |
| April | 83°F (28°C) | 2.3 in | |
| May | 84°F (29°C) | 5.1 in | Warmest |
| June | 84°F (29°C) | 6.6 in | |
| July | 83°F (28°C) | 7.0 in | |
| August | 83°F (28°C) | 8.6 in | |
| September | 82°F (28°C) | 8.5 in | |
| October | 80°F (27°C) | 12.4 in | Wettest |
| November | 78°F (25°C) | 11.6 in | |
| December | 75°F (24°C) | 5.9 in |
San Antonio has a seasonal temperature swing of 10°F / from 75°F in January to 84°F in May. Total annual precipitation is 72.7 inches, with October being the wettest month (12.4") and February the driest (1.4").