Sign In Register

Siasi, Philippines

Full City Profile

12,566 Population 169/sq mi density
26 ft Elevation 8 meters
80°F Avg Temperature 27°C
Siasi has a warm climate with an average annual temperature of 80°F (27°C). Winters average 79°F in January while summers reach 81°F in July. The area gets 225 sunny days per year. Annual precipitation totals 61.0 inches. The area receives 0.0 inches of snow annually.

Temperature

79°F Jan (26°C) 81°F Jul (27°C)
Annual Average80.2°F
49% above US avg
January Average79°F (26°C)
July Average81°F (27°C)
Sunny Days225 days/yr

Geography

Elevation26 ft (8 m)
Area74.5 sq mi (192.9 km²)
Population Density169/sq mi
Coordinates5.5462°N, 120.8145°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 61.0"
61% above US avg
Snowfall 0.0"
Wettest Month (Jun) 7.60"
Driest Month (Jan) 3.78"

Air Quality

Earthquake History

49 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M4.6 on Jun 2, 2023.

Mar 4, 1999 69 km S of Tabiauan, Philippines M7.1 125 km
Feb 25, 2015 81 km WSW of Pandan Niog, Philippines M5.7 123 km
Mar 6, 1999 Sulu Archipelago, Philippines M5.2 123 km
Apr 8, 1993 36 km W of Pandan Niog, Philippines M5.2 99 km
Sep 9, 2014 49 km S of Manubul, Philippines M5.1 58 km
Mar 11, 1999 59 km SSE of Tabiauan, Philippines M5.1 139 km
Aug 8, 2004 60 km SSE of Sapa, Philippines M5.0 102 km
Apr 23, 1999 61 km S of Tabiauan, Philippines M5.0 130 km
Mar 10, 2021 48 km W of Pandan Niog, Philippines M4.9 113 km
Mar 6, 1999 92 km SSE of Tabiauan, Philippines M4.9 149 km
Jul 19, 2011 37 km SSW of Tabiauan, Philippines M4.9 110 km
Sep 28, 2017 62 km WSW of Pandan Niog, Philippines M4.9 101 km
Feb 13, 2001 59 km S of Tabiauan, Philippines M4.8 125 km
Jan 6, 2005 41 km SSE of Tabiauan, Philippines M4.8 128 km
Jan 20, 2019 41 km SE of Kalang, Philippines M4.8 92 km
Mar 11, 1999 59 km S of Tabiauan, Philippines M4.8 122 km
Mar 5, 1999 63 km S of Tabiauan, Philippines M4.7 126 km
Jul 10, 2002 65 km S of Tabiauan, Philippines M4.7 121 km
Mar 4, 1999 77 km S of Tabiauan, Philippines M4.7 134 km
Feb 18, 2012 17 km ENE of Laminusa, Philippines M4.7 28 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 7.0 m (23 ft).

Year Location Cause Max Wave Deaths Distance
1897 SULU SEA Earthquake 7.0 m 13 141 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 79°F (26°C) 3.8 in Driest
February 79°F (26°C) 3.8 in Coldest
March 80°F (27°C) 3.9 in
April 80°F (27°C) 4.2 in
May 81°F (27°C) 6.2 in Warmest
June 81°F (27°C) 7.6 in Wettest
July 81°F (27°C) 5.0 in
August 81°F (27°C) 3.8 in
September 81°F (27°C) 5.0 in
October 80°F (27°C) 6.9 in
November 80°F (27°C) 6.7 in
December 80°F (27°C) 4.3 in

Siasi has a seasonal temperature swing of 2°F / from 79°F in February to 81°F in May. Total annual precipitation is 61.0 inches, with June being the wettest month (7.6") and January the driest (3.8").

View full weather details →