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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 80°F (27°C). Winters average 78°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 219 sunny days per year. Annual precipitation totals 64.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 7 feet.
Temperature
78°F Jan (26°C)
81°F Jul (27°C)
| Annual Average | 80.4°F |
| 49% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 219 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 23.2 sq mi (60.0 km²) |
| Population Density | 394/sq mi |
| Coordinates | 9.9167°N, 123.8833°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
416 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.1.
| Oct 15, 2013 | 4 km SE of Sagbayan, Philippines | M7.1 | 26 km | 19 km |
| Feb 8, 1990 | 13 km E of Bacong, Philippines | M6.8 | 91 km | 26 km |
| Feb 6, 2012 | 2 km NNE of Jimalalud, Philippines | M6.7 | 75 km | 11 km |
| Feb 8, 1990 | 6 km ESE of Bacong, Philippines | M6.6 | 84 km | 30 km |
| Feb 6, 2012 | 0 km NW of Amdos, Philippines | M6.0 | 86 km | 9 km |
| May 20, 2017 | 25 km S of Alburquerque, Philippines | M6.0 | 60 km | 533 km |
| Jul 1, 2019 | 48 km S of Valencia, Philippines | M5.9 | 90 km | 533 km |
| Feb 6, 2012 | 6 km WNW of Tiguib, Philippines | M5.8 | 89 km | 15 km |
| Oct 15, 2013 | 11 km W of Loon, Philippines | M5.7 | 25 km | 16 km |
| Jan 22, 2025 | 3 km NNW of San Francisco, Philippines | M5.7 | 140 km | 9 km |
| Oct 15, 2013 | 4 km E of Buenavista, Philippines | M5.6 | 42 km | 7 km |
| Feb 6, 2012 | 3 km WNW of McKinley, Philippines | M5.6 | 75 km | 10 km |
| Dec 18, 1991 | 39 km SSE of Alburquerque, Philippines | M5.5 | 75 km | 519 km |
| Feb 11, 1998 | 6 km S of Sogod, Philippines | M5.5 | 130 km | 57 km |
| Apr 29, 1992 | 13 km W of Hinundayan, Philippines | M5.5 | 145 km | 30 km |
| Nov 15, 2001 | 10 km SSE of Candoni, Philippines | M5.4 | 139 km | 33 km |
| Apr 28, 1992 | 50 km NW of Matangad, Philippines | M5.4 | 113 km | 568 km |
| Feb 6, 2012 | 2 km W of Tampocon, Philippines | M5.3 | 85 km | 10 km |
| Oct 16, 2013 | 6 km SW of Bood, Philippines | M5.3 | 26 km | 10 km |
| Feb 7, 2012 | 11 km NNW of Minolos, Philippines | M5.3 | 59 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
25 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kalmaegi | Category 2 | — | 107 km |
| 2021 | Rai | Category 4 | 121 mph | 40 km |
| 2020 | Vongfong | Category 3 | 98 mph | 273 km |
| 2019 | Phanfone | Category 3 | 92 mph | 189 km |
| 2014 | Hagupit | Category 4 | 109 mph | 238 km |
| 2013 | Haiyan | Category 5 | 127 mph | 144 km |
| 2012 | Bopha | Category 4 | 98 mph | 120 km |
| 2008 | Fengshen | Category 3 | 104 mph | 199 km |
| 2006 | Utor | Category 3 | 86 mph | 190 km |
| 2006 | Chanchu | Category 1 | 63 mph | 287 km |
| 2005 | Roke | Category 1 | 52 mph | 110 km |
| 1998 | Faith | Category 1 | 75 mph | 231 km |
| 1995 | Zack | Category 2 | 63 mph | 103 km |
| 1995 | Sibyl | Category 1 | 52 mph | 258 km |
| 1994 | Axel | Category 3 | 92 mph | 154 km |
| 1994 | Owen | Category 1 | 69 mph | 54 km |
| 1993 | Manny | Category 3 | 75 mph | 288 km |
| 1993 | Nell | Category 1 | 69 mph | 62 km |
| 1990 | Mike | Category 4 | 104 mph | 66 km |
| 1988 | Skip | Category 4 | 81 mph | 189 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2012 | TANON STRAIT | Earthquake | 5.0 m | 51 | 75 km |
| 1990 | PHILIPPINES | Earthquake | 2.1 m | 6 | 91 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Kanlaon (99 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Kanlaon | Stratovolcano | 2,435 m (7,989 ft) | 2017 | 99 km |
| Mandalagan | Complex | 1,885 m (6,184 ft) | Unknown | 107 km |
| Cuernos de Negros | Complex | 1,862 m (6,109 ft) | Unknown | 108 km |
| Camiguin | Stratovolcano(es) | 1,552 m (5,092 ft) | 1953 | 118 km |
| Silay | Stratovolcano | 1,510 m (4,954 ft) | Unknown | 119 km |
| Cabalían | Stratovolcano | 912 m (2,992 ft) | 1820 | 152 km |
| Mahagnao | Stratovolcano | 860 m (2,822 ft) | Unknown | 154 km |
| Biliran | Compound | 1,301 m (4,268 ft) | 1939 | 192 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 6.1 in | Coldest |
| February | 78°F (26°C) | 3.9 in | |
| March | 80°F (26°C) | 3.3 in | |
| April | 81°F (27°C) | 2.1 in | Driest |
| May | 83°F (28°C) | 3.9 in | Warmest |
| June | 82°F (28°C) | 5.6 in | |
| July | 81°F (27°C) | 6.5 in | |
| August | 81°F (27°C) | 5.2 in | |
| September | 81°F (27°C) | 6.1 in | |
| October | 81°F (27°C) | 7.1 in | |
| November | 80°F (27°C) | 7.9 in | Wettest |
| December | 79°F (26°C) | 6.6 in |
San Isidro has a seasonal temperature swing of 5°F / from 78°F in January to 83°F in May. Total annual precipitation is 64.3 inches, with November being the wettest month (7.9") and April the driest (2.1").