All Countries
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 80°F (27°C). Winters average 77°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 329 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 91.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 39 feet.
Temperature
77°F Jan (25°C)
81°F Jul (27°C)
| Annual Average | 80.4°F |
| 49% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 329 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 40.9 sq mi (105.8 km²) |
| Population Density | 149/sq mi |
| Coordinates | 15.0212°N, 120.8202°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
913 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 | 82 km | 25 km |
| Dec 11, 1999 | 14 km WNW of Bolitoc, Philippines | M7.3 | 142 km | 33 km |
| Jul 23, 2021 | 15 km S of Hukay, Philippines | M6.7 | 147 km | 110 km |
| Jun 15, 2023 | Mindoro, Philippines | M6.2 | 140 km | 112 km |
| Aug 11, 2017 | 1 km SE of Tuy, Philippines | M6.2 | 113 km | 172 km |
| May 21, 2022 | 1 km S of Lian, Philippines | M6.1 | 113 km | 129 km |
| Jul 30, 1996 | 38 km WSW of Sabang, Philippines | M6.1 | 109 km | 33 km |
| Apr 22, 2019 | 3 km WSW of San Francisco, Philippines | M6.1 | 34 km | 22 km |
| Aug 23, 1998 | 22 km W of Sabang, Philippines | M6.1 | 91 km | 70 km |
| Jan 6, 2003 | 25 km WSW of Bolitoc, Philippines | M6.0 | 143 km | 10 km |
| Sep 15, 2004 | 24 km WNW of Looc, Philippines | M6.0 | 99 km | 115 km |
| Jul 20, 1996 | 3 km WNW of Hukay, Philippines | M5.9 | 131 km | 110 km |
| Jul 25, 2011 | Luzon, Philippines | M5.9 | 84 km | 35 km |
| Aug 13, 2021 | 10 km WNW of Tingloy, Philippines | M5.9 | 147 km | 121 km |
| Apr 8, 2017 | 1 km NNW of Mabini, Philippines | M5.9 | 140 km | 14 km |
| Feb 20, 1994 | 9 km WNW of Tingloy, Philippines | M5.9 | 148 km | 207 km |
| Oct 21, 2000 | 15 km W of Tingloy, Philippines | M5.9 | 150 km | 152 km |
| Jan 10, 2015 | 5 km NW of Mabayo, Philippines | M5.9 | 68 km | 59 km |
| Jun 16, 2012 | 37 km WSW of Bolitoc, Philippines | M5.9 | 149 km | 28 km |
| Jul 23, 2021 | 6 km SE of Hukay, Philippines | M5.8 | 136 km | 121 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
84 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 | — | 144 km |
| 2025 | Matmo | Category 1 | — | 214 km |
| 2025 | Co-may | Category 1 | — | 181 km |
| 2024 | Man-yi | Category 4 | 115 mph | 131 km |
| 2024 | Ewiniar | Category 2 | 86 mph | 125 km |
| 2024 | Toraji | Category 1 | 81 mph | 199 km |
| 2023 | Saola | Category 4 | 109 mph | 283 km |
| 2022 | Noru | Category 4 | 109 mph | 34 km |
| 2021 | Conson | Category 1 | — | 194 km |
| 2020 | Goni | Category 4 | 115 mph | 150 km |
| 2020 | Vamco | Category 3 | 86 mph | 31 km |
| 2020 | Molave | Category 2 | 81 mph | 218 km |
| 2020 | Vongfong | Category 1 | 75 mph | 279 km |
| 2019 | Kammuri | Category 4 | 104 mph | 203 km |
| 2019 | Phanfone | Category 3 | 75 mph | 280 km |
| 2018 | Yutu | Category 4 | 92 mph | 187 km |
| 2016 | Sarika | Category 4 | 109 mph | 109 km |
| 2016 | Nock-ten | Category 3 | 98 mph | 148 km |
| 2016 | Tokage | Category 1 | 58 mph | 287 km |
| 2015 | Koppu | Category 4 | 115 mph | 125 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 tsunamis recorded within 500 km. Highest wave on record: 4.7 m (15 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1965 | TAAL, LUZON ISLAND | Astronomical | 4.7 m | 355 | 115 km |
| 1970 | PHILIPPINE SEA | Earthquake | 4.3 m | 15 | 127 km |
| 1911 | TAAL, LUZON ISLAND | Astronomical | 3.0 m | 1,335 | 115 km |
| 1990 | W. LUZON ISLAND | Earthquake | 2.0 m | 2,412 | 82 km |
| 1999 | LUZON ISLAND | Earthquake | 1.5 m | 5 | 142 km |
| 1937 | W. LUZON ISLAND | Earthquake | — | 1 | 93 km |
| 1749 | TAAL, LUZON ISLAND | Astronomical | — | — | 115 km |
| 1716 | TAAL, LUZON ISLAND | Astronomical | — | — | 115 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Arayat (22 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Arayat | Stratovolcano | 1,026 m (3,366 ft) | Unknown | 22 km |
| Pinatubo | Stratovolcano | 1,486 m (4,875 ft) | 1993 | 52 km |
| Natib | Stratovolcano | 1,253 m (4,111 ft) | Unknown | 56 km |
| Mariveles | Stratovolcano | 1,388 m (4,554 ft) | -2050 | 66 km |
| Laguna Caldera | Caldera | 743 m (2,438 ft) | Unknown | 83 km |
| San Pablo Volcanic Field | Stratovolcano | 1,090 m (3,576 ft) | 1350 | 113 km |
| Taal | Caldera | 311 m (1,020 ft) | 2020 | 115 km |
| Banahaw | Complex | 2,158 m (7,080 ft) | Unknown | 127 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 0.4 in | Coldest |
| February | 79°F (26°C) | 0.3 in | Driest |
| March | 82°F (28°C) | 0.8 in | |
| April | 85°F (29°C) | 1.8 in | |
| May | 85°F (29°C) | 7.5 in | Warmest |
| June | 83°F (28°C) | 11.9 in | |
| July | 81°F (27°C) | 17.7 in | |
| August | 81°F (27°C) | 18.9 in | Wettest |
| September | 82°F (28°C) | 13.9 in | |
| October | 82°F (28°C) | 8.0 in | |
| November | 81°F (27°C) | 4.0 in | |
| December | 79°F (26°C) | 1.9 in |
San Isidro has a seasonal temperature swing of 8°F / from 77°F in January to 85°F in May. Total annual precipitation is 86.8 inches, with August being the wettest month (18.9") and February the driest (0.3").