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Weather & Climate in La Union, Philippines
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
La Union has a warm climate with an average annual temperature of 78°F (26°C). Winters average 77°F in January while summers reach 79°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 62 feet.
Temperature
77°F Jan (25°C)
79°F Jul (26°C)
| Annual Average | 78.4°F |
| 45% above US avg | |
| January Average | 77°F (25°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 186 days/yr |
Geography
| Elevation | 62 ft (19 m) |
| Area | 191.7 sq mi (496.5 km²) |
| Population Density | 27/sq mi |
| Coordinates | 6.7041°N, 126.0880°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Earthquake History
2,376 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Jan 1, 2001 | 21 km SE of Lukatan, Philippines | M7.5 | 58 km | 33 km |
| May 17, 1992 | 23 km ESE of Santiago, Philippines | M7.3 | 92 km | 33 km |
| May 17, 1992 | 9 km SE of Santiago, Philippines | M7.1 | 86 km | 33 km |
| Aug 11, 2021 | 60 km ENE of Pondaguitan, Philippines | M7.1 | 74 km | 55 km |
| May 11, 1993 | 3 km E of Manay, Philippines | M7.0 | 78 km | 59 km |
| Jan 1, 2001 | Mindanao, Philippines | M6.8 | 90 km | 33 km |
| Apr 20, 1995 | 66 km E of Pondaguitan, Philippines | M6.6 | 90 km | 94 km |
| Jan 2, 2001 | 51 km SE of Lukatan, Philippines | M6.4 | 80 km | 33 km |
| Jun 18, 1999 | 106 km SSE of Pondaguitan, Philippines | M6.4 | 146 km | 33 km |
| Jan 1, 2002 | 3 km S of Lais, Philippines | M6.3 | 66 km | 138 km |
| Nov 21, 1991 | 96 km SE of Pondaguitan, Philippines | M6.3 | 131 km | 73 km |
| Jul 14, 2014 | 78 km SSE of Pondaguitan, Philippines | M6.3 | 118 km | 20 km |
| Sep 23, 2016 | 36 km SE of Tamisan, Philippines | M6.3 | 47 km | 65 km |
| Sep 29, 2019 | 86 km SSE of Pondaguitan, Philippines | M6.2 | 125 km | 73 km |
| Feb 12, 2007 | 62 km SE of Caburan, Philippines | M6.1 | 127 km | 24 km |
| Apr 19, 2022 | 41 km E of Santiago, Philippines | M6.1 | 115 km | 19 km |
| May 31, 2019 | 34 km ESE of Pondaguitan, Philippines | M6.1 | 64 km | 99 km |
| Mar 20, 2008 | 85 km ESE of Pondaguitan, Philippines | M6.1 | 110 km | 45 km |
| Oct 5, 2000 | 46 km ESE of Jovellar, Philippines | M6.1 | 83 km | 87 km |
| Feb 16, 2013 | 16 km SE of Caburan, Philippines | M6.1 | 106 km | 105 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2012 | Bopha | Category 5 | 115 mph | 115 km |
| 1993 | Nell | Category 1 | 63 mph | 288 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1992 | PHILIPPINES | Earthquake | 6.0 m | — | 92 km |
| 1917 | CELEBES SEA | Earthquake | 1.5 m | 7 | 144 km |
| 2025 | MINDANAO ISLAND, PHILIPPINES | Earthquake | 0.3 m | 10 | 93 km |
| 1970 | PHILIPPINE TRENCH | Earthquake | 0.1 m | — | 68 km |
| 2021 | MINDANAO ISLAND, PHILIPPINES | Earthquake | 0.1 m | 1 | 77 km |
| 1924 | E. MINDANAO ISLAND | Eruption + Earthquake | — | — | 51 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Leonard Range (76 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Leonard Range | Stratovolcano | 1,080 m (3,543 ft) | 120 | 76 km |
| Apo | Stratovolcano | 2,938 m (9,639 ft) | Unknown | 96 km |
| Matutum | Stratovolcano | 2,286 m (7,500 ft) | 1290 | 118 km |
| Balut | Stratovolcano | 862 m (2,828 ft) | Unknown | 165 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 77°F (25°C) | 8.9 in | Coldest |
| February | 77°F (25°C) | 6.3 in | |
| March | 78°F (26°C) | 5.3 in | Driest |
| April | 80°F (26°C) | 5.6 in | |
| May | 80°F (27°C) | 5.9 in | Warmest |
| June | 79°F (26°C) | 11.2 in | Wettest |
| July | 79°F (26°C) | 7.7 in | |
| August | 79°F (26°C) | 6.8 in | |
| September | 79°F (26°C) | 6.2 in | |
| October | 79°F (26°C) | 6.7 in | |
| November | 79°F (26°C) | 5.3 in | |
| December | 78°F (25°C) | 6.9 in |
La Union has a seasonal temperature swing of 3°F / from 77°F in January to 80°F in May. Total annual precipitation is 82.8 inches, with June being the wettest month (11.2") and March the driest (5.3").