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San Mariano, Philippines

Full City Profile

12,441 Population 22/sq mi density
243 ft Elevation 74 meters
79°F Avg Temperature 26°C
San Mariano has a warm climate with an average annual temperature of 79°F (26°C). Winters average 73°F in January while summers reach 82°F in July. The area gets 179 sunny days per year. Annual precipitation totals 93.9 inches. The area receives 0.0 inches of snow annually.

Temperature

73°F Jan (23°C) 82°F Jul (28°C)
Annual Average78.9°F
46% above US avg
January Average73°F (23°C)
July Average82°F (28°C)
Sunny Days179 days/yr

Geography

Elevation243 ft (74 m)
Area567.4 sq mi (1,469.5 km²)
Population Density22/sq mi
Coordinates16.9827°N, 122.0140°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 93.9"
147% above US avg
Snowfall 0.0"
Wettest Month (Nov) 16.77"
Driest Month (Feb) 2.95"

Air Quality

Earthquake History

381 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.7 on Aug 11, 2025.

Jul 27, 2022 11 km NE of Bantay, Philippines M7.0 140 km
Jul 17, 1990 14 km NNW of Salinas, Philippines M6.5 123 km
Mar 19, 1992 7 km NNW of Besao, Philippines M6.3 128 km
Jul 17, 1990 10 km ESE of Ambuclao, Philippines M6.1 139 km
Jul 20, 1990 8 km WNW of Salinas, Philippines M5.8 132 km
Mar 2, 2010 Luzon, Philippines M5.8 140 km
Jul 21, 1990 11 km WNW of Salinas, Philippines M5.7 133 km
Jan 13, 2008 4 km SSE of Bontoc, Philippines M5.7 109 km
Jul 18, 1990 13 km WNW of Busilak, Philippines M5.6 119 km
Jul 16, 1990 19 km NNW of Salinas, Philippines M5.6 126 km
Jan 12, 2001 19 km SE of Bantay, Philippines M5.5 124 km
May 4, 2023 Luzon, Philippines M5.4 65 km
Jun 21, 1990 52 km E of Awallan, Philippines M5.4 108 km
Jun 9, 2016 5 km WNW of Uddiawan, Philippines M5.4 108 km
Jul 22, 1990 7 km WSW of Busilak, Philippines M5.4 118 km
Jul 17, 1990 1 km WNW of Bone South, Philippines M5.4 137 km
Dec 21, 2009 2 km NE of Paracelis, Philippines M5.3 65 km
Jul 16, 1990 14 km WSW of Salinas, Philippines M5.3 140 km
Jul 22, 1990 10 km NW of Busilak, Philippines M5.3 115 km
May 13, 2008 39 km SE of Dicamay, Philippines M5.3 61 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Ragasa Category 5 259 km
2025 Fung-wong Category 4 101 km
2025 Co-may Category 1 285 km
2025 Matmo Category 1 39 km
2024 Yinxing Category 4 174 km
2024 Man-yi Category 4 124 km
2024 Usagi Category 4 85 km
2024 Ewiniar Category 2 156 km
2024 Toraji Category 1 54 km
2023 Saola Category 5 94 km
2023 Doksuri Category 4 223 km
2022 Noru Category 5 209 km
2022 Ma-on Category 1 61 km
2021 Chanthu Category 5 182 km
2020 Vamco Category 3 223 km
2019 Kalmaegi Category 2 169 km
2018 Mangkhut Category 5 117 km
2018 Yutu Category 4 37 km
2016 Sarika Category 4 144 km
2016 Haima Category 4 71 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 15 138 km
1968 E. LUZON ISLAND Earthquake 0.2 m 270 57 km
2022 N. LUZON ISLAND Earthquake 0.1 m 11 140 km
1880 E. LUZON ISLAND Eruption + Earthquake 20 111 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Ambalatungan Group (104 km).

Name Type Elevation Last Eruption Distance
Ambalatungan Group Compound 2,329 m (7,641 ft) Unknown 104 km
Cagua Stratovolcano 1,133 m (3,717 ft) 1860 138 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 73°F (23°C) 4.5 in Coldest
February 75°F (24°C) 3.0 in Driest
March 78°F (26°C) 3.2 in
April 81°F (27°C) 3.4 in
May 83°F (28°C) 5.9 in
June 83°F (28°C) 6.9 in Warmest
July 82°F (28°C) 7.2 in
August 82°F (28°C) 7.5 in
September 81°F (27°C) 8.5 in
October 79°F (26°C) 15.8 in
November 77°F (25°C) 16.8 in Wettest
December 74°F (23°C) 11.4 in

San Mariano has a seasonal temperature swing of 10°F / from 73°F in January to 83°F in June. Total annual precipitation is 93.9 inches, with November being the wettest month (16.8") and February the driest (3.0").

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