Philippines — Sea Water Temperature and Annual Ranges

Sea Water Temperature Along the Coast

Places with the Warmest Sea Water Today

The Most Popular Seaside Places

Coastal Seas and Oceans

Water Temperature and Swimming Overview

Water Temperature Trends

The Philippines, an archipelago in the western Pacific, offers year-round warm coastal waters that are attractive for swimming, snorkeling, and diving. Sea surface temperatures typically range from about 24 to 31 °C (75 to 88 °F) depending on season and location. During the cooler months, roughly November to February, waters in northern and central areas can dip toward 24–27 °C (75–81 °F), while the southern islands remain milder. The warmest period usually occurs from March through May, with many coastal areas reaching 28–31 °C (82–88 °F). Around the equatorial southern reaches and protected bays temperatures are more stable, commonly holding near 27–30 °C (81–86 °F) year-round, which sustains excellent conditions for marine life and underwater visibility in many dive sites.

Swimming Conditions

Swimming is generally permitted and popular across beaches and resort areas, but safety depends on weather, currents, and local advisories. The southwest monsoon (habagat) from June to September often brings heavier rains, stronger winds and rough seas that can create hazardous rip currents and temporarily close some bathing areas, while the northeast monsoon (amihan) from November to February tends to cool northern waters and produce choppier conditions along exposed shores. Water quality near urban coastlines can vary after heavy runoff, and occasional jellyfish, strong tidal flows, or storm warnings will restrict access. Visitors and locals are advised to heed lifeguards, posted signs and municipal advisories; under normal conditions the warm tropical seas make swimming enjoyable almost any time of year.