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Calasgasan, Philippines

Full City Profile

2,447 Population 24/sq mi density
79 ft Elevation 24 meters
80°F Avg Temperature 27°C
Calasgasan has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 82°F in July. The area gets 142 sunny days per year. Annual precipitation totals 126.8 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 82°F Jul (28°C)
Annual Average80.0°F
48% above US avg
January Average77°F (25°C)
July Average82°F (28°C)
Sunny Days142 days/yr

Geography

Elevation79 ft (24 m)
Area100.5 sq mi (260.3 km²)
Population Density24/sq mi
Coordinates14.0833°N, 122.9333°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 126.8"
234% above US avg
Snowfall 0.0"
Wettest Month (Dec) 21.50"
Driest Month (Apr) 4.84"

Air Quality

Earthquake History

223 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.1. Most recent: M4.4 on Aug 24, 2025.

May 5, 2018 64 km NNW of Pandan, Philippines M6.1 119 km
Jul 7, 1993 2 km SSE of Maagnas, Philippines M5.7 91 km
Dec 12, 1993 3 km SSW of Mambulo, Philippines M5.6 45 km
Feb 3, 1993 3 km NNW of Pamplona, Philippines M5.6 54 km
Aug 19, 2004 15 km NW of Manamrag, Philippines M5.5 118 km
Aug 1, 2000 34 km ENE of Karligan, Philippines M5.4 125 km
Jul 6, 2008 53 km NE of Karligan, Philippines M5.4 145 km
Sep 13, 2019 26 km ENE of Karligan, Philippines M5.3 129 km
Feb 5, 2016 4 km E of San Francisco, Philippines M5.3 73 km
Jun 3, 2007 2 km E of Catabangan, Philippines M5.3 35 km
May 1, 2013 89 km NNE of Sabang Indan, Philippines M5.3 102 km
Sep 3, 2024 28 km NE of Casuguran, Philippines M5.3 94 km
Feb 4, 2016 4 km NW of San Francisco, Philippines M5.2 79 km
Apr 23, 1991 7 km WNW of Cagmanaba, Philippines M5.2 116 km
Jul 28, 1995 10 km WSW of Patnanungan, Philippines M5.2 116 km
Apr 29, 2010 9 km SW of Dalupaon, Philippines M5.2 65 km
Sep 3, 2014 47 km ENE of Karligan, Philippines M5.2 132 km
Jan 26, 2014 2 km SW of Balanacan, Philippines M5.1 133 km
Jul 18, 1990 15 km NNE of Cagsiay, Philippines M5.1 124 km
Jan 16, 2023 22 km NNE of Sabang Indan, Philippines M5.1 37 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Fung-wong Category 4 95 km
2025 Matmo Category 1 260 km
2024 Man-yi Category 4 76 km
2024 Ewiniar Category 2 120 km
2024 Toraji Category 1 203 km
2023 Saola Category 4 219 km
2022 Noru Category 5 102 km
2021 Conson Category 1 148 km
2020 Goni Category 5 56 km
2020 Vamco Category 3 55 km
2020 Vongfong Category 3 91 km
2020 Molave Category 1 92 km
2019 Kammuri Category 4 110 km
2019 Phanfone Category 3 254 km
2016 Nock-ten Category 5 70 km
2016 Sarika Category 4 104 km
2015 Noul Category 5 226 km
2015 Melor Category 4 132 km
2015 Koppu Category 4 203 km
2014 Rammasun Category 4 50 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

1 tsunami 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
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Isarog (68 km).

Name Type Elevation Last Eruption Distance
Isarog Stratovolcano 1,966 m (6,450 ft) -3500 68 km
Banahaw Complex 2,158 m (7,080 ft) Unknown 157 km
Pocdol Mountains Compound 1,102 m (3,615 ft) Unknown 160 km
San Pablo Volcanic Field Stratovolcano 1,090 m (3,576 ft) 1350 176 km
Laguna Caldera Caldera 743 m (2,438 ft) Unknown 183 km
Bulusan Stratovolcano(es) 1,535 m (5,036 ft) 2017 190 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 77°F (25°C) 10.0 in Coldest
February 77°F (25°C) 6.1 in
March 78°F (26°C) 5.1 in
April 81°F (27°C) 4.8 in Driest
May 82°F (28°C) 6.5 in
June 83°F (28°C) 9.0 in Warmest
July 82°F (28°C) 10.1 in
August 82°F (28°C) 7.1 in
September 81°F (27°C) 10.0 in
October 80°F (27°C) 17.9 in
November 79°F (26°C) 18.7 in
December 78°F (25°C) 21.5 in Wettest

Calasgasan has a seasonal temperature swing of 6°F / from 77°F in January to 83°F in June. Total annual precipitation is 126.8 inches, with December being the wettest month (21.5") and April the driest (4.8").

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