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Weather & Climate in San Isidro, Philippines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Isidro has a warm climate with an average annual temperature of 74°F (24°C). Winters average 71°F in January while summers reach 76°F in July / relatively mild seasonal variation. The area gets 311 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 91.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 144 feet.
Temperature
71°F Jan (21°C)
76°F Jul (24°C)
| Annual Average | 74.4°F |
| 38% above US avg | |
| January Average | 71°F (21°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 144 ft (44 m) |
| Area | 13.5 sq mi (34.9 km²) |
| Population Density | 238/sq mi |
| Coordinates | 14.2086°N, 121.3983°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
885 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.1.
| Nov 14, 1994 | 10 km E of Sabang, Philippines | M7.1 | 84 km | 32 km |
| Jul 23, 2021 | 15 km S of Hukay, Philippines | M6.7 | 92 km | 110 km |
| Jun 15, 2023 | Mindoro, Philippines | M6.2 | 88 km | 112 km |
| Aug 11, 2017 | 1 km SE of Tuy, Philippines | M6.2 | 75 km | 172 km |
| May 21, 2022 | 1 km S of Lian, Philippines | M6.1 | 84 km | 129 km |
| Apr 22, 2019 | 3 km WSW of San Francisco, Philippines | M6.1 | 126 km | 22 km |
| Sep 15, 2004 | 24 km WNW of Looc, Philippines | M6.0 | 106 km | 115 km |
| Mar 25, 2010 | 2 km SW of Tagbak, Philippines | M6.0 | 149 km | 16 km |
| Jan 10, 2015 | 5 km NW of Mabayo, Philippines | M5.9 | 139 km | 59 km |
| Feb 20, 1994 | 9 km WNW of Tingloy, Philippines | M5.9 | 88 km | 207 km |
| Aug 13, 2021 | 10 km WNW of Tingloy, Philippines | M5.9 | 87 km | 121 km |
| Mar 29, 1993 | Mindoro, Philippines | M5.9 | 135 km | 58 km |
| Jul 20, 1996 | 3 km WNW of Hukay, Philippines | M5.9 | 88 km | 110 km |
| Apr 8, 2017 | 1 km NNW of Mabini, Philippines | M5.9 | 70 km | 14 km |
| Oct 21, 2000 | 15 km W of Tingloy, Philippines | M5.9 | 93 km | 152 km |
| Mar 1, 2006 | 7 km NE of Paluan, Philippines | M5.8 | 127 km | 22 km |
| May 12, 2021 | 10 km SSW of Tingloy, Philippines | M5.8 | 93 km | 113 km |
| Jul 23, 2021 | 6 km SE of Hukay, Philippines | M5.8 | 84 km | 121 km |
| Sep 3, 2002 | 8 km N of Wawa, Philippines | M5.8 | 102 km | 10 km |
| May 22, 2011 | 14 km WSW of Tingloy, Philippines | M5.7 | 97 km | 149 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
81 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Fung-wong | Category 4 | — | 186 km |
| 2025 | Matmo | Category 1 | — | 276 km |
| 2025 | Co-may | Category 1 | — | 285 km |
| 2024 | Man-yi | Category 4 | 115 mph | 171 km |
| 2024 | Ewiniar | Category 2 | 86 mph | 69 km |
| 2024 | Toraji | Category 1 | 81 mph | 252 km |
| 2023 | Saola | Category 4 | 109 mph | 293 km |
| 2022 | Noru | Category 4 | 109 mph | 110 km |
| 2021 | Conson | Category 1 | — | 85 km |
| 2020 | Goni | Category 4 | 115 mph | 41 km |
| 2020 | Vamco | Category 3 | 86 mph | 100 km |
| 2020 | Molave | Category 2 | 81 mph | 120 km |
| 2020 | Vongfong | Category 1 | 75 mph | 173 km |
| 2019 | Kammuri | Category 4 | 104 mph | 114 km |
| 2019 | Phanfone | Category 3 | 92 mph | 215 km |
| 2018 | Yutu | Category 4 | 92 mph | 278 km |
| 2016 | Nock-ten | Category 4 | 115 mph | 79 km |
| 2016 | Sarika | Category 4 | 109 mph | 171 km |
| 2016 | Tokage | Category 1 | 58 mph | 270 km |
| 2015 | Melor | Category 4 | 98 mph | 103 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 7.3 m (24 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1994 | PHILIPPINE ISLANDS | Earthquake | 7.3 m | 81 | 84 km |
| 1965 | TAAL, LUZON ISLAND | Astronomical | 4.7 m | 355 | 49 km |
| 1911 | TAAL, LUZON ISLAND | Astronomical | 3.0 m | 1,335 | 49 km |
| 1889 | MINDORO ISLAND | Earthquake | 0.1 m | — | 90 km |
| 1937 | W. LUZON ISLAND | Earthquake | — | 1 | 34 km |
| 1749 | TAAL, LUZON ISLAND | Astronomical | — | — | 49 km |
| 1716 | TAAL, LUZON ISLAND | Astronomical | — | — | 49 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: San Pablo Volcanic Field (15 km).
| Name | Type | Elevation | Last Eruption | Distance |
| San Pablo Volcanic Field | Stratovolcano | 1,090 m (3,576 ft) | 1350 | 15 km |
| Banahaw | Complex | 2,158 m (7,080 ft) | Unknown | 18 km |
| Laguna Caldera | Caldera | 743 m (2,438 ft) | Unknown | 27 km |
| Taal | Caldera | 311 m (1,020 ft) | 2020 | 49 km |
| Mariveles | Stratovolcano | 1,388 m (4,554 ft) | -2050 | 105 km |
| Natib | Stratovolcano | 1,253 m (4,111 ft) | Unknown | 122 km |
| Arayat | Stratovolcano | 1,026 m (3,366 ft) | Unknown | 131 km |
| Pinatubo | Stratovolcano | 1,486 m (4,875 ft) | 1993 | 152 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (21°C) | 2.4 in | Coldest |
| February | 77°F (25°C) | 1.2 in | Driest |
| March | 80°F (26°C) | 1.4 in | |
| April | 82°F (28°C) | 1.9 in | |
| May | 83°F (28°C) | 5.8 in | Warmest |
| June | 82°F (28°C) | 9.3 in | |
| July | 76°F (24°C) | 10.9 in | |
| August | 81°F (27°C) | 10.6 in | |
| September | 81°F (27°C) | 11.1 in | |
| October | 80°F (27°C) | 11.2 in | Wettest |
| November | 79°F (26°C) | 10.4 in | |
| December | 78°F (25°C) | 7.4 in |
San Isidro has a seasonal temperature swing of 12°F / from 71°F in January to 83°F in May. Total annual precipitation is 83.7 inches, with October being the wettest month (11.2") and February the driest (1.2").