# Korčula water temperature Sea temperature at Korčula is 25.7 °C (78.3 °F). - Location: Korčula, Croatia - Timezone: Europe/Zagreb - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T16:55:25.486986+02:00 - Forecast page: https://snorkelforecast.com/croatia/korcula/ - HTML sea temperature: https://snorkelforecast.com/croatia/korcula/sea-temperature/ - Temperature is not a safety rating or snorkel score. - Guidance: Warm water - What to wear: Most people are comfortable in swimwear or a light rash guard. ## Monthly baseline - January: 15.7 °C (60.3 °F) - February: 15.1 °C (59.2 °F) - March: 15.0 °C (59.0 °F) - April: 16.1 °C (61.0 °F) - May: 19.0 °C (66.2 °F) - June: 23.5 °C (74.3 °F) - July: 25.8 °C (78.4 °F) - August: 26.1 °C (79.0 °F) - September: 25.0 °C (77.0 °F) - October: 22.1 °C (71.8 °F) - November: 19.6 °C (67.3 °F) - December: 17.1 °C (62.8 °F)