# Fethiye water temperature Sea temperature at Fethiye is 28.6 °C (83.5 °F). - Location: Fethiye, Turkey - Timezone: Europe/Istanbul - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T14:19:38.554538+03:00 - Forecast page: https://snorkelforecast.com/turkey/fethiye/ - HTML sea temperature: https://snorkelforecast.com/turkey/fethiye/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: 19.8 °C (67.6 °F) - February: 18.5 °C (65.3 °F) - March: 18.0 °C (64.4 °F) - April: 18.8 °C (65.8 °F) - May: 21.0 °C (69.8 °F) - June: 25.5 °C (77.9 °F) - July: 28.5 °C (83.3 °F) - August: 29.5 °C (85.1 °F) - September: 28.1 °C (82.6 °F) - October: 25.9 °C (78.6 °F) - November: 23.6 °C (74.5 °F) - December: 21.3 °C (70.3 °F)