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Weather & Climate in San Martin, Philippines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Martin has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 186 sunny days per year. Annual precipitation totals 82.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
77°F Jan (25°C)
80°F Jul (27°C)
| Annual Average | 79.7°F |
| 48% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 186 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 45.5 sq mi (117.7 km²) |
| Population Density | 76/sq mi |
| Coordinates | 8.5611°N, 124.7714°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
391 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Feb 8, 1990 | 13 km E of Bacong, Philippines | M6.8 | 133 km | 26 km |
| Feb 8, 1990 | 6 km ESE of Bacong, Philippines | M6.6 | 130 km | 30 km |
| May 23, 1998 | 6 km WNW of Tabid, Philippines | M6.0 | 124 km | 658 km |
| May 20, 2017 | 25 km S of Alburquerque, Philippines | M6.0 | 128 km | 533 km |
| Jul 1, 2019 | 48 km S of Valencia, Philippines | M5.9 | 93 km | 533 km |
| Mar 26, 1990 | 5 km ENE of Jagupit, Philippines | M5.9 | 120 km | 39 km |
| Apr 11, 2017 | 8 km N of Osias, Philippines | M5.8 | 99 km | 8 km |
| Feb 10, 2024 | 8 km W of Esperanza, Philippines | M5.8 | 89 km | 32 km |
| Sep 4, 2016 | 7 km SE of Causwagan, Philippines | M5.8 | 124 km | 16 km |
| Nov 11, 2009 | 2 km NE of Jabonga, Philippines | M5.7 | 122 km | 24 km |
| Sep 3, 2012 | 5 km W of NIA Valencia, Philippines | M5.7 | 79 km | 10 km |
| Jun 7, 1999 | 1 km ESE of Aurora, Philippines | M5.7 | 119 km | 33 km |
| Sep 23, 2017 | 3 km E of Malinao, Philippines | M5.7 | 111 km | 8 km |
| Jun 14, 2021 | 5 km NW of Don Carlos, Philippines | M5.7 | 97 km | 6 km |
| Jun 1, 2013 | 13 km NNE of Banawa, Philippines | M5.6 | 144 km | 10 km |
| Jun 14, 2002 | 5 km W of Malabang, Philippines | M5.6 | 136 km | 33 km |
| Jun 2, 2013 | 13 km NNW of Linao, Philippines | M5.5 | 143 km | 10 km |
| Dec 18, 1991 | 39 km SSE of Alburquerque, Philippines | M5.5 | 110 km | 519 km |
| Apr 12, 2017 | 9 km S of Adtugan, Philippines | M5.5 | 94 km | 10 km |
| Feb 26, 2004 | 9 km NNW of Josefina, Philippines | M5.5 | 142 km | 12 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kalmaegi | Category 2 | — | 266 km |
| 2021 | Rai | Category 5 | 121 mph | 164 km |
| 2013 | Haiyan | Category 5 | 144 mph | 271 km |
| 2012 | Bopha | Category 5 | 115 mph | 47 km |
| 2005 | Roke | Category 1 | 52 mph | 271 km |
| 1995 | Zack | Category 2 | 63 mph | 227 km |
| 1994 | Axel | Category 3 | 98 mph | 265 km |
| 1994 | Owen | Category 1 | 69 mph | 188 km |
| 1993 | Nell | Category 1 | 69 mph | 156 km |
| 1990 | Mike | Category 4 | 104 mph | 205 km |
| 1988 | Skip | Category 4 | 86 mph | 293 km |
| 1986 | Marge | Category 1 | 98 mph | 144 km |
| 1984 | Ike | Category 4 | 104 mph | 139 km |
| 1982 | Nelson | Category 3 | 115 mph | 205 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.1 m (7 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1990 | PHILIPPINES | Earthquake | 2.1 m | 6 | 133 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Camiguin (72 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Camiguin | Stratovolcano(es) | 1,552 m (5,092 ft) | 1953 | 72 km |
| Apo | Stratovolcano | 2,938 m (9,639 ft) | Unknown | 183 km |
| Cuernos de Negros | Complex | 1,862 m (6,109 ft) | Unknown | 192 km |
| Leonard Range | Stratovolcano | 1,080 m (3,543 ft) | 120 | 192 km |
| Cabalían | Stratovolcano | 912 m (2,992 ft) | 1820 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 5.6 in | Coldest |
| February | 78°F (26°C) | 4.1 in | |
| March | 79°F (26°C) | 3.9 in | |
| April | 81°F (27°C) | 3.3 in | Driest |
| May | 82°F (28°C) | 6.3 in | Warmest |
| June | 81°F (27°C) | 9.5 in | |
| July | 80°F (27°C) | 9.7 in | Wettest |
| August | 80°F (27°C) | 8.8 in | |
| September | 80°F (27°C) | 8.9 in | |
| October | 80°F (27°C) | 9.1 in | |
| November | 80°F (26°C) | 7.2 in | |
| December | 78°F (26°C) | 6.5 in |
San Martin has a seasonal temperature swing of 4°F / from 77°F in January to 82°F in May. Total annual precipitation is 82.8 inches, with July being the wettest month (9.7") and April the driest (3.3").