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Oas, Philippines

Full City Profile

64,890 Population 638/sq mi density
108 ft Elevation 33 meters
77°F Avg Temperature 25°C
Oas has a warm climate with an average annual temperature of 77°F (25°C). Winters average 73°F in January while summers reach 78°F in July. The area gets 311 sunny days per year. Annual precipitation totals 128.4 inches. The area receives 0.0 inches of snow annually.

Temperature

73°F Jan (23°C) 78°F Jul (26°C)
Annual Average77.2°F
43% above US avg
January Average73°F (23°C)
July Average78°F (26°C)
Sunny Days311 days/yr

Geography

Elevation108 ft (33 m)
Area101.8 sq mi (263.6 km²)
Population Density638/sq mi
Coordinates13.2593°N, 123.4963°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 128.4"
238% above US avg
Snowfall 0.0"
Wettest Month (Nov) 15.00"
Driest Month (Apr) 3.90"

Air Quality

Earthquake History

349 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M4.4 on Aug 24, 2025.

Oct 12, 1994 15 km E of Gigmoto, Philippines M6.4 125 km
Feb 15, 2003 11 km SSW of San Vicente, Philippines M6.3 137 km
Jun 9, 1994 18 km ENE of Rapu-Rapu, Philippines M6.2 85 km
Feb 15, 2023 9 km NNE of Miaga, Philippines M6.1 113 km
Jun 26, 2003 4 km ENE of Miaga, Philippines M6.0 118 km
Oct 12, 1994 16 km E of Gigmoto, Philippines M5.9 126 km
Feb 15, 2003 2 km N of Palanas, Philippines M5.8 130 km
Feb 22, 2005 17 km W of Tigbao, Philippines M5.8 83 km
Aug 19, 2024 21 km NNW of Bugko, Philippines M5.7 147 km
Jul 7, 1993 2 km SSE of Maagnas, Philippines M5.7 52 km
Mar 5, 2012 5 km ENE of Mobo, Philippines M5.6 103 km
Dec 12, 1993 3 km SSW of Mambulo, Philippines M5.6 69 km
Feb 3, 1993 3 km NNW of Pamplona, Philippines M5.6 61 km
Aug 19, 2004 15 km NW of Manamrag, Philippines M5.5 82 km
Jun 28, 2004 26 km WSW of Osmeña, Philippines M5.4 80 km
Feb 2, 2015 29 km NE of Gigmoto, Philippines M5.4 142 km
Oct 12, 1994 19 km ESE of Gigmoto, Philippines M5.4 124 km
Jul 30, 2001 6 km NE of Tigbao, Philippines M5.4 75 km
Jan 13, 2004 52 km ESE of Bato, Philippines M5.4 140 km
Aug 1, 1998 7 km E of Batuan, Philippines M5.3 102 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

82 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year Name Category Closest
2025 Fung-wong Category 4 138 km
2025 Kalmaegi Category 2 259 km
2024 Man-yi Category 5 120 km
2024 Ewiniar Category 2 228 km
2024 Toraji Category 1 268 km
2022 Noru Category 5 194 km
2021 Conson Category 1 196 km
2020 Goni Category 5 29 km
2020 Vamco Category 3 138 km
2020 Vongfong Category 3 59 km
2020 Molave Category 1 32 km
2019 Kammuri Category 4 18 km
2019 Phanfone Category 3 174 km
2016 Nock-ten Category 5 29 km
2016 Sarika Category 4 158 km
2015 Melor Category 4 51 km
2015 Koppu Category 4 284 km
2015 Noul Category 4 259 km
2015 Mekkhala Category 1 292 km
2014 Hagupit Category 4 59 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 1.3 m (4 ft).

Year Location Cause Max Wave Deaths Distance
1973 QUEZON Earthquake 1.3 m 15 77 km
2003 SAMAR SEA Eruption + Earthquake 1.0 m 137 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Isarog (46 km).

Name Type Elevation Last Eruption Distance
Isarog Stratovolcano 1,966 m (6,450 ft) -3500 46 km
Pocdol Mountains Compound 1,102 m (3,615 ft) Unknown 55 km
Bulusan Stratovolcano(es) 1,535 m (5,036 ft) 2017 82 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 73°F (23°C) 7.6 in Coldest
February 78°F (25°C) 4.4 in
March 79°F (26°C) 4.2 in
April 81°F (27°C) 3.9 in Driest
May 83°F (28°C) 6.0 in Warmest
June 82°F (28°C) 8.7 in
July 78°F (26°C) 10.0 in
August 82°F (28°C) 10.2 in
September 81°F (27°C) 10.6 in
October 81°F (27°C) 12.6 in
November 80°F (27°C) 15.0 in Wettest
December 78°F (26°C) 14.3 in

Oas has a seasonal temperature swing of 9°F / from 73°F in January to 83°F in May. Total annual precipitation is 107.5 inches, with November being the wettest month (15.0") and April the driest (3.9").

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