Samoa — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of Samoa. Learn about today’s conditions, monthly averages, and how the surrounding seas and oceans vary by season. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
Coastal Seas and Oceans
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
Samoa’s seacoast enjoys consistently warm water temperatures year-round thanks to its tropical location. Typical sea surface temperatures hover between about 26 and 29 °C (79–84 °F) over the course of the year, with the coolest months generally from May to October when waters average around 26–27 °C (79–81 °F) and the warmest period from November to April when temperatures commonly reach 28–29 °C (82–84 °F). Occasional variation outside these ranges can occur with seasonal weather patterns or short-term events, but overall the ocean remains comfortably warm for prolonged swimming and water activities without the need for thermal protection.
Swimming Conditions
Swimming is broadly allowed and popular across Samoa, particularly in sheltered lagoons and along the leeward beaches where coral reefs and fringing reefs often create calm conditions ideal for snorkeling and family swimming. However, safety considerations are important: the windward coasts can experience strong surf and rip currents, especially during the wet and cyclone season (roughly November to April), when authorities may advise against swimming. Heavy rains can also introduce runoff that temporarily reduces nearshore water quality. Reef hazards such as sharp coral and sea urchins are present in places, so sensible footwear and local guidance are recommended. In general, the warm sea temperatures make Samoa inviting for swimming most of the year, but local conditions and seasonal weather warnings should be checked to ensure safe enjoyment of the water.