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Weather & Climate in City of Isabela, Philippines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
City of Isabela 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 202 sunny days per year. Annual precipitation totals 73.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 33 feet.
Temperature
80°F Jan (27°C)
81°F Jul (27°C)
| Annual Average | 80.7°F |
| 49% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 202 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 86.4 sq mi (223.7 km²) |
| Population Density | 780/sq mi |
| Coordinates | 6.7041°N, 121.9712°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
79 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Jul 23, 2010 | 72 km S of Panubigan, Philippines | M7.5 | 142 km | 641 km |
| Mar 4, 1999 | 69 km S of Tabiauan, Philippines | M7.1 | 145 km | 33 km |
| Jul 11, 2024 | 106 km WSW of Sangay, Philippines | M7.1 | 147 km | 640 km |
| Jul 29, 2010 | 89 km W of Bantogon, Philippines | M6.6 | 139 km | 618 km |
| Apr 13, 2016 | 15 km NW of Siocon, Philippines | M6.0 | 121 km | 17 km |
| Oct 18, 1991 | 12 km N of Siocon, Philippines | M5.6 | 125 km | 36 km |
| Jan 7, 2019 | 27 km NW of Siocon, Philippines | M5.5 | 129 km | 19 km |
| Sep 8, 2000 | 11 km NW of Dulian, Philippines | M5.5 | 55 km | 33 km |
| Oct 13, 1993 | 64 km NW of Malayal, Philippines | M5.5 | 111 km | 44 km |
| Jan 23, 2025 | 8 km E of Siocon, Philippines | M5.4 | 114 km | 62 km |
| Jul 26, 2010 | 83 km SSE of Olutanga, Philippines | M5.4 | 141 km | 626 km |
| Nov 29, 1994 | 80 km SSE of Olutanga, Philippines | M5.3 | 129 km | 38 km |
| Mar 6, 1999 | Sulu Archipelago, Philippines | M5.2 | 149 km | 33 km |
| Jun 14, 2020 | 45 km W of Siocon, Philippines | M5.1 | 109 km | 10 km |
| Mar 11, 1999 | 59 km SSE of Tabiauan, Philippines | M5.1 | 132 km | 33 km |
| May 14, 2002 | 51 km SE of Tabiauan, Philippines | M5.0 | 118 km | 33 km |
| Jun 15, 2006 | 12 km N of Siocon, Philippines | M5.0 | 126 km | 42 km |
| Apr 23, 1999 | 61 km S of Tabiauan, Philippines | M5.0 | 136 km | 33 km |
| Feb 7, 1992 | 19 km W of Siocon, Philippines | M5.0 | 112 km | 39 km |
| Mar 3, 2020 | 18 km W of Siocon, Philippines | M4.9 | 110 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2012 | Bopha | Category 3 | 81 mph | 294 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 7.0 m (23 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1897 | SULU SEA | Earthquake | 7.0 m | 13 | 78 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 3.0 in | |
| February | 80°F (27°C) | 2.8 in | Coldest |
| March | 81°F (27°C) | 2.6 in | Driest |
| April | 81°F (27°C) | 3.5 in | |
| May | 82°F (28°C) | 6.7 in | Warmest |
| June | 81°F (27°C) | 8.7 in | |
| July | 81°F (27°C) | 8.8 in | |
| August | 81°F (27°C) | 9.0 in | |
| September | 81°F (27°C) | 8.3 in | |
| October | 81°F (27°C) | 9.6 in | Wettest |
| November | 81°F (27°C) | 6.4 in | |
| December | 80°F (27°C) | 4.4 in |
City of Isabela has a seasonal temperature swing of 2°F / from 80°F in February to 82°F in May. Total annual precipitation is 73.7 inches, with October being the wettest month (9.6") and March the driest (2.6").