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Weather & Climate in Siari, Philippines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Siari has a warm climate with an average annual temperature of 81°F (27°C). Winters average 80°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 155 sunny days per year, below the national average of 205. Annual precipitation totals 100.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 39 feet.
Temperature
80°F Jan (27°C)
81°F Jul (27°C)
| Annual Average | 81.0°F |
| 50% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 155 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 174.1 sq mi (451.0 km²) |
| Population Density | 20/sq mi |
| Coordinates | 8.3245°N, 122.9881°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
213 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| Apr 13, 2016 | 15 km NW of Siocon, Philippines | M6.0 | 122 km | 17 km |
| May 23, 1998 | 6 km WNW of Tabid, Philippines | M6.0 | 84 km | 658 km |
| May 13, 1994 | 6 km SW of Balagon, Philippines | M5.9 | 45 km | 33 km |
| Oct 16, 1993 | 2 km NE of Malim, Philippines | M5.8 | 107 km | 31 km |
| Jul 23, 2010 | 29 km W of Litayan, Philippines | M5.8 | 141 km | 602 km |
| Feb 23, 1991 | 44 km WNW of Kalawit, Philippines | M5.7 | 96 km | 54 km |
| Oct 18, 1991 | 12 km N of Siocon, Philippines | M5.6 | 110 km | 36 km |
| Jun 14, 2002 | 5 km W of Malabang, Philippines | M5.6 | 140 km | 33 km |
| Jan 7, 2019 | 27 km NW of Siocon, Philippines | M5.5 | 125 km | 19 km |
| Feb 26, 2004 | 9 km NNW of Josefina, Philippines | M5.5 | 58 km | 12 km |
| Jun 6, 1995 | 39 km SE of Malim, Philippines | M5.4 | 147 km | 34 km |
| Jan 23, 2025 | 8 km E of Siocon, Philippines | M5.4 | 110 km | 62 km |
| Apr 28, 1992 | 50 km NW of Matangad, Philippines | M5.4 | 136 km | 568 km |
| Jun 1, 2018 | 32 km ESE of Malim, Philippines | M5.3 | 137 km | 575 km |
| Oct 2, 2012 | 15 km NNW of Dumingag, Philippines | M5.3 | 33 km | 52 km |
| Feb 28, 1993 | 74 km NW of Siocon, Philippines | M5.3 | 139 km | 32 km |
| Oct 1, 2011 | 30 km ESE of Malim, Philippines | M5.3 | 132 km | 615 km |
| Aug 2, 2015 | 2 km SSW of Lapase, Philippines | M5.2 | 97 km | 603 km |
| Mar 31, 2000 | 22 km ESE of San Pablo, Philippines | M5.1 | 111 km | 678 km |
| Mar 1, 2004 | 15 km NNE of Dumingag, Philippines | M5.1 | 47 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
11 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kalmaegi | Category 2 | — | 237 km |
| 2021 | Rai | Category 4 | 109 mph | 200 km |
| 2012 | Bopha | Category 3 | 81 mph | 83 km |
| 2005 | Roke | Category 1 | 52 mph | 300 km |
| 1995 | Zack | Category 2 | 63 mph | 275 km |
| 1994 | Owen | Category 1 | 69 mph | 252 km |
| 1993 | Nell | Category 1 | 69 mph | 263 km |
| 1990 | Mike | Category 4 | 98 mph | 255 km |
| 1986 | Marge | Category 1 | 69 mph | 257 km |
| 1984 | Ike | Category 4 | 104 mph | 209 km |
| 1982 | Nelson | Category 3 | 104 mph | 273 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.0 m (0 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1978 | MINDANAO ISLAND, PHILIPPINES | Earthquake | 0.0 m | — | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Cuernos de Negros (105 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Cuernos de Negros | Complex | 1,862 m (6,109 ft) | Unknown | 105 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 3.5 in | Coldest |
| February | 80°F (27°C) | 2.9 in | Driest |
| March | 82°F (28°C) | 3.5 in | |
| April | 82°F (28°C) | 4.1 in | |
| May | 83°F (28°C) | 8.9 in | Warmest |
| June | 81°F (27°C) | 12.8 in | Wettest |
| July | 81°F (27°C) | 12.1 in | |
| August | 81°F (27°C) | 11.9 in | |
| September | 81°F (27°C) | 11.9 in | |
| October | 81°F (27°C) | 12.0 in | |
| November | 81°F (27°C) | 10.4 in | |
| December | 80°F (27°C) | 5.9 in |
Siari has a seasonal temperature swing of 3°F / from 80°F in January to 83°F in May. Total annual precipitation is 100.0 inches, with June being the wettest month (12.8") and February the driest (2.9").