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Diliman Primero, Philippines

Full City Profile

3,792 Population 82/sq mi density
118 ft Elevation 36 meters
80°F Avg Temperature 27°C
Diliman Primero has a warm climate with an average annual temperature of 80°F (27°C). Winters average 77°F in January while summers reach 81°F in July. The area gets 329 sunny days per year. Annual precipitation totals 91.7 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 81°F Jul (27°C)
Annual Average80.4°F
49% above US avg
January Average77°F (25°C)
July Average81°F (27°C)
Sunny Days329 days/yr

Geography

Elevation118 ft (36 m)
Area46.0 sq mi (119.2 km²)
Population Density82/sq mi
Coordinates15.0247°N, 120.9521°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 91.7"
141% above US avg
Snowfall 0.0"
Wettest Month (Aug) 18.74"
Driest Month (Feb) 0.39"

Air Quality

Earthquake History

874 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.7. Most recent: M4.7 on Aug 19, 2025.

Jul 16, 1990 4 km E of Macapsing, Philippines M7.7 77 km
Jul 23, 2021 15 km S of Hukay, Philippines M6.7 149 km
Aug 11, 2017 1 km SE of Tuy, Philippines M6.2 116 km
Jun 15, 2023 Mindoro, Philippines M6.2 143 km
Apr 22, 2019 3 km WSW of San Francisco, Philippines M6.1 48 km
Aug 23, 1998 22 km W of Sabang, Philippines M6.1 104 km
May 21, 2022 1 km S of Lian, Philippines M6.1 117 km
Jul 30, 1996 38 km WSW of Sabang, Philippines M6.1 122 km
Sep 15, 2004 24 km WNW of Looc, Philippines M6.0 107 km
Apr 8, 2017 1 km NNW of Mabini, Philippines M5.9 140 km
Jul 20, 1996 3 km WNW of Hukay, Philippines M5.9 133 km
Feb 20, 1994 9 km WNW of Tingloy, Philippines M5.9 149 km
Aug 13, 2021 10 km WNW of Tingloy, Philippines M5.9 148 km
Jul 25, 2011 Luzon, Philippines M5.9 98 km
Jan 10, 2015 5 km NW of Mabayo, Philippines M5.9 81 km
Jul 23, 2021 6 km SE of Hukay, Philippines M5.8 138 km
Jul 16, 1990 2 km NNE of Caronoan West, Philippines M5.7 150 km
Jun 15, 1991 6 km WSW of Calingcuan, Philippines M5.7 56 km
Jun 15, 1991 17 km WNW of Babo-Pangulo, Philippines M5.6 65 km
Dec 22, 1997 Luzon, Philippines M5.6 112 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

85 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year Name Category Closest
2025 Fung-wong Category 4 142 km
2025 Matmo Category 1 207 km
2025 Co-may Category 1 193 km
2024 Man-yi Category 4 125 km
2024 Ewiniar Category 2 112 km
2024 Toraji Category 1 193 km
2023 Saola Category 4 272 km
2022 Noru Category 4 41 km
2021 Conson Category 1 188 km
2020 Goni Category 4 143 km
2020 Vamco Category 3 38 km
2020 Molave Category 2 216 km
2020 Vongfong Category 1 269 km
2019 Kammuri Category 4 203 km
2019 Phanfone Category 3 285 km
2018 Yutu Category 4 186 km
2016 Sarika Category 4 110 km
2016 Nock-ten Category 3 150 km
2016 Tokage Category 1 296 km
2015 Melor Category 4 143 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

8 tsunamis recorded within 500 km. Highest wave on record: 4.7 m (15 ft).

Year Location Cause Max Wave Deaths Distance
1965 TAAL, LUZON ISLAND Astronomical 4.7 m 355 114 km
1970 PHILIPPINE SEA Earthquake 4.3 m 15 117 km
1911 TAAL, LUZON ISLAND Astronomical 3.0 m 1,335 114 km
1990 W. LUZON ISLAND Earthquake 2.0 m 2,412 77 km
1937 W. LUZON ISLAND Earthquake 1 83 km
1880 E. LUZON ISLAND Eruption + Earthquake 20 145 km
1749 TAAL, LUZON ISLAND Astronomical 114 km
1716 TAAL, LUZON ISLAND Astronomical 114 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

8 volcanoes within 200 km. Closest: Arayat (30 km).

Name Type Elevation Last Eruption Distance
Arayat Stratovolcano 1,026 m (3,366 ft) Unknown 30 km
Pinatubo Stratovolcano 1,486 m (4,875 ft) 1993 66 km
Natib Stratovolcano 1,253 m (4,111 ft) Unknown 68 km
Mariveles Stratovolcano 1,388 m (4,554 ft) -2050 75 km
Laguna Caldera Caldera 743 m (2,438 ft) Unknown 75 km
San Pablo Volcanic Field Stratovolcano 1,090 m (3,576 ft) 1350 107 km
Taal Caldera 311 m (1,020 ft) 2020 114 km
Banahaw Complex 2,158 m (7,080 ft) Unknown 120 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 77°F (25°C) 0.6 in Coldest
February 79°F (26°C) 0.4 in Driest
March 82°F (28°C) 0.8 in
April 84°F (29°C) 1.9 in
May 85°F (29°C) 7.8 in Warmest
June 83°F (28°C) 12.2 in
July 81°F (27°C) 18.3 in
August 81°F (27°C) 18.7 in Wettest
September 82°F (28°C) 14.5 in
October 81°F (27°C) 8.4 in
November 80°F (27°C) 4.7 in
December 78°F (26°C) 2.6 in

Diliman Primero has a seasonal temperature swing of 8°F / from 77°F in January to 85°F in May. Total annual precipitation is 90.7 inches, with August being the wettest month (18.7") and February the driest (0.4").

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