East Timor — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of East Timor. 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
East Timor’s coastal waters are tropical and warm year‑round, making swimming comfortable for most visitors. Typical sea surface temperatures along the coast generally range from about 25–31 °C (77–88 °F) depending on season and location. During the dry season, from May to October, waters tend to be a little cooler and clearer, commonly around 25–29 °C (77–84 °F), while the wet season, from November to April, is usually warmer with temperatures often between 27–31 °C (81–88 °F). Visibility for snorkeling and diving is often best in the dry months when rainfall and runoff are lower, whereas the wet season can bring more surface chop and reduced clarity near river mouths.
Swimming Conditions
Swimming and other recreational water activities are widely permitted and popular in East Timor, particularly around sheltered bays and reef-fringed beaches where coral gardens attract snorkelers and divers. However, swimmers should exercise caution because many beaches are remote, formal lifeguard services are limited, and currents or sudden swells can occur, especially during seasonal storms. Local conditions vary from gentle, sandy shorelines to steeper, reefed coasts with stronger currents, so checking with local operators or residents about safe entry points and tides is advisable. Overall, the warm sea temperatures make East Timor attractive for swimming year-round, with the dry season offering the calmest and clearest conditions for underwater activities.