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Diaz, Philippines

Full City Profile

4,017 Population 40/sq mi density
344 ft Elevation 105 meters
78°F Avg Temperature 26°C
Diaz has a warm climate with an average annual temperature of 78°F (26°C). Winters average 75°F in January while summers reach 79°F in July. The area gets 201 sunny days per year. Annual precipitation totals 77.2 inches. The area receives 0.0 inches of snow annually.

Temperature

75°F Jan (24°C) 79°F Jul (26°C)
Annual Average78.2°F
45% above US avg
January Average75°F (24°C)
July Average79°F (26°C)
Sunny Days201 days/yr

Geography

Elevation344 ft (105 m)
Area99.8 sq mi (258.4 km²)
Population Density40/sq mi
Coordinates15.8463°N, 120.8347°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 77.2"
103% above US avg
Snowfall 0.0"
Wettest Month (Aug) 15.16"
Driest Month (Jan) 0.51"

Air Quality

Earthquake History

663 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.7. Most recent: M4.4 on Jul 10, 2025.

Jul 16, 1990 4 km E of Macapsing, Philippines M7.7 41 km
Dec 11, 1999 14 km WNW of Bolitoc, Philippines M7.3 118 km
Jul 17, 1990 14 km NNW of Salinas, Philippines M6.5 74 km
Mar 19, 1992 7 km NNW of Besao, Philippines M6.3 146 km
Jan 6, 2000 Luzon, Philippines M6.2 147 km
Apr 22, 2019 3 km WSW of San Francisco, Philippines M6.1 105 km
Jul 17, 1990 10 km ESE of Ambuclao, Philippines M6.1 65 km
Jan 6, 2003 25 km WSW of Bolitoc, Philippines M6.0 128 km
Jun 16, 2012 37 km WSW of Bolitoc, Philippines M5.9 139 km
Jan 10, 2015 5 km NW of Mabayo, Philippines M5.9 135 km
Jul 25, 2011 Luzon, Philippines M5.9 131 km
Nov 20, 1996 3 km ENE of Taloy, Philippines M5.9 65 km
Jul 20, 1990 8 km WNW of Salinas, Philippines M5.8 61 km
Jan 13, 2008 4 km SSE of Bontoc, Philippines M5.7 135 km
Jun 19, 2000 4 km WNW of Santa Maria, Philippines M5.7 133 km
Jun 15, 1991 6 km WSW of Calingcuan, Philippines M5.7 68 km
Jul 21, 1990 11 km WNW of Salinas, Philippines M5.7 62 km
Jul 16, 1990 2 km NNE of Caronoan West, Philippines M5.7 63 km
Apr 9, 1993 2 km ENE of Gutad, Philippines M5.6 107 km
Jul 16, 1990 2 km N of Halog West, Philippines M5.6 75 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Fung-wong Category 4 54 km
2025 Matmo Category 1 129 km
2025 Co-may Category 1 145 km
2024 Usagi Category 4 263 km
2024 Man-yi Category 4 57 km
2024 Yinxing Category 4 299 km
2024 Ewiniar Category 2 180 km
2024 Toraji Category 1 125 km
2023 Saola Category 4 236 km
2022 Noru Category 4 62 km
2022 Ma-on Category 1 234 km
2021 Conson Category 1 277 km
2020 Goni Category 4 232 km
2020 Vamco Category 3 76 km
2019 Kammuri Category 3 290 km
2018 Mangkhut Category 5 247 km
2018 Yutu Category 4 95 km
2016 Haima Category 4 232 km
2016 Sarika Category 4 18 km
2016 Nock-ten Category 3 229 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 4.3 m (14 ft).

Year Location Cause Max Wave Deaths Distance
1970 PHILIPPINE SEA Earthquake 4.3 m 15 94 km
1990 W. LUZON ISLAND Earthquake 2.0 m 2,412 41 km
1999 LUZON ISLAND Earthquake 1.5 m 5 118 km
1880 E. LUZON ISLAND Eruption + Earthquake 20 110 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Arayat (73 km).

Name Type Elevation Last Eruption Distance
Arayat Stratovolcano 1,026 m (3,366 ft) Unknown 73 km
Pinatubo Stratovolcano 1,486 m (4,875 ft) 1993 95 km
Natib Stratovolcano 1,253 m (4,111 ft) Unknown 134 km
Mariveles Stratovolcano 1,388 m (4,554 ft) -2050 152 km
Laguna Caldera Caldera 743 m (2,438 ft) Unknown 165 km
Ambalatungan Group Compound 2,329 m (7,641 ft) Unknown 166 km
San Pablo Volcanic Field Stratovolcano 1,090 m (3,576 ft) 1350 198 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 75°F (24°C) 0.5 in Coldest, Driest
February 76°F (25°C) 0.6 in
March 79°F (26°C) 1.5 in
April 81°F (27°C) 2.8 in
May 81°F (27°C) 8.0 in Warmest
June 80°F (27°C) 8.7 in
July 79°F (26°C) 12.9 in
August 78°F (26°C) 15.2 in Wettest
September 78°F (26°C) 11.7 in
October 78°F (26°C) 8.5 in
November 77°F (25°C) 5.0 in
December 76°F (24°C) 1.9 in

Diaz has a seasonal temperature swing of 6°F / from 75°F in January to 81°F in May. Total annual precipitation is 77.2 inches, with August being the wettest month (15.2") and January the driest (0.5").

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