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Dian-ay, Philippines

Full City Profile

3,195 Population 43/sq mi density
59 ft Elevation 18 meters
82°F Avg Temperature 28°C
Dian-ay has a warm climate with an average annual temperature of 82°F (28°C). Winters average 79°F in January while summers reach 83°F in July. The area gets 211 sunny days per year. Annual precipitation totals 69.1 inches. The area receives 0.0 inches of snow annually.

Temperature

79°F Jan (26°C) 83°F Jul (28°C)
Annual Average81.7°F
51% above US avg
January Average79°F (26°C)
July Average83°F (28°C)
Sunny Days211 days/yr

Geography

Elevation59 ft (18 m)
Area74.4 sq mi (192.7 km²)
Population Density43/sq mi
Coordinates10.8333°N, 123.5500°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 69.1"
82% above US avg
Snowfall 0.0"
Wettest Month (Oct) 9.57"
Driest Month (Apr) 2.13"

Air Quality

Earthquake History

387 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M4.2 on Apr 9, 2025.

Oct 15, 2013 4 km SE of Sagbayan, Philippines M7.1 123 km
Feb 6, 2012 2 km NNE of Jimalalud, Philippines M6.7 100 km
Jul 6, 2017 2 km S of Lim-oo, Philippines M6.5 122 km
Feb 6, 2012 0 km NW of Amdos, Philippines M6.0 117 km
Feb 6, 2012 6 km WNW of Tiguib, Philippines M5.8 124 km
Jul 10, 2017 5 km NW of San Pedro, Philippines M5.8 136 km
May 17, 1993 5 km SW of Pastrana, Philippines M5.7 145 km
Oct 15, 2013 11 km W of Loon, Philippines M5.7 117 km
May 8, 2000 11 km NNE of Talisayan, Philippines M5.6 131 km
Jul 23, 1990 7 km W of Da-an Sur, Philippines M5.6 140 km
Feb 6, 2012 3 km WNW of McKinley, Philippines M5.6 90 km
Oct 15, 2013 4 km E of Buenavista, Philippines M5.6 136 km
May 23, 2003 5 km ENE of Limbuhan, Philippines M5.6 133 km
May 8, 2000 10 km S of Canhandugan, Philippines M5.5 135 km
Mar 17, 2004 8 km WNW of Canhandugan, Philippines M5.5 131 km
May 23, 2003 10 km NNE of Limbuhan, Philippines M5.4 140 km
Mar 27, 2004 3 km SSW of Butazon, Philippines M5.4 110 km
May 2, 2003 14 km NE of Limbuhan, Philippines M5.4 143 km
May 21, 1992 2 km NNW of Ponong, Philippines M5.4 106 km
Aug 15, 2016 21 km SE of Bugasong, Philippines M5.4 148 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Kalmaegi Category 2 28 km
2021 Rai Category 4 86 km
2020 Goni Category 4 297 km
2020 Vongfong Category 3 193 km
2020 Molave Category 1 277 km
2019 Kammuri Category 4 248 km
2019 Phanfone Category 3 98 km
2016 Nock-ten Category 5 297 km
2015 Melor Category 4 213 km
2015 Mekkhala Category 1 272 km
2014 Hagupit Category 4 159 km
2014 Rammasun Category 4 270 km
2013 Haiyan Category 5 44 km
2012 Bopha Category 3 206 km
2008 Fengshen Category 3 97 km
2006 Durian Category 4 286 km
2006 Xangsane Category 4 248 km
2006 Utor Category 3 111 km
2006 Chanchu Category 2 205 km
2005 Roke Category 1 28 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).

Year Location Cause Max Wave Deaths Distance
2012 TANON STRAIT Earthquake 5.0 m 51 100 km
1948 SULU SEA Earthquake 74 144 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Silay (36 km).

Name Type Elevation Last Eruption Distance
Silay Stratovolcano 1,510 m (4,954 ft) Unknown 36 km
Mandalagan Complex 1,885 m (6,184 ft) Unknown 39 km
Kanlaon Stratovolcano 2,435 m (7,989 ft) 2017 65 km
Biliran Compound 1,301 m (4,268 ft) 1939 132 km
Mahagnao Stratovolcano 860 m (2,822 ft) Unknown 146 km
Cuernos de Negros Complex 1,862 m (6,109 ft) Unknown 181 km
Cabalían Stratovolcano 912 m (2,992 ft) 1820 192 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 79°F (26°C) 5.8 in Coldest
February 79°F (26°C) 3.4 in
March 81°F (27°C) 2.6 in
April 83°F (28°C) 2.1 in Driest
May 84°F (29°C) 5.0 in Warmest
June 83°F (29°C) 6.4 in
July 83°F (28°C) 6.3 in
August 83°F (28°C) 4.8 in
September 82°F (28°C) 6.7 in
October 82°F (28°C) 9.6 in Wettest
November 81°F (27°C) 9.3 in
December 80°F (27°C) 7.2 in

Dian-ay has a seasonal temperature swing of 5°F / from 79°F in January to 84°F in May. Total annual precipitation is 69.1 inches, with October being the wettest month (9.6") and April the driest (2.1").

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