# Hikkaduwa water temperature Sea temperature at Hikkaduwa is 28.6 °C (83.5 °F). - Location: Hikkaduwa, Sri Lanka - Timezone: Asia/Colombo - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T16:50:14.194233+05:30 - Forecast page: https://snorkelforecast.com/sri-lanka/hikkaduwa/ - HTML sea temperature: https://snorkelforecast.com/sri-lanka/hikkaduwa/sea-temperature/ - Temperature is not a safety rating or snorkel score. - Guidance: Very warm water - What to wear: Swimwear is usually enough; a rash guard adds sun protection. ## Monthly baseline - January: 28.4 °C (83.1 °F) - February: 28.7 °C (83.7 °F) - March: 29.6 °C (85.3 °F) - April: 30.5 °C (86.9 °F) - May: 29.9 °C (85.8 °F) - June: 28.9 °C (84.0 °F) - July: 28.5 °C (83.3 °F) - August: 28.4 °C (83.1 °F) - September: 28.6 °C (83.5 °F) - October: 28.9 °C (84.0 °F) - November: 29.4 °C (84.9 °F) - December: 28.8 °C (83.8 °F)