# Vavaʻu water temperature Sea temperature at Vavaʻu is 24.9 °C (76.8 °F). - Location: Vavaʻu, Tonga - Timezone: Pacific/Tongatapu - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-23T14:53:42.416546+13:00 - Forecast page: https://snorkelforecast.com/tonga/vavau/ - HTML sea temperature: https://snorkelforecast.com/tonga/vavau/sea-temperature/ - Temperature is not a safety rating or snorkel score. - Guidance: Mild water - What to wear: A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit. ## Monthly baseline - January: 28.5 °C (83.3 °F) - February: 28.7 °C (83.7 °F) - March: 28.5 °C (83.3 °F) - April: 28.2 °C (82.8 °F) - May: 27.4 °C (81.3 °F) - June: 26.5 °C (79.7 °F) - July: 25.8 °C (78.4 °F) - August: 25.3 °C (77.5 °F) - September: 25.1 °C (77.2 °F) - October: 25.5 °C (77.9 °F) - November: 26.5 °C (79.7 °F) - December: 27.5 °C (81.5 °F)