# Crete water temperature Sea temperature at Crete is 25.8 °C (78.4 °F). - Location: Crete, Greece - Timezone: Europe/Athens - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-23T08:24:37.428463+03:00 - Forecast page: https://snorkelforecast.com/greece/crete/ - HTML sea temperature: https://snorkelforecast.com/greece/crete/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: 18.1 °C (64.6 °F) - February: 17.0 °C (62.6 °F) - March: 17.3 °C (63.1 °F) - April: 17.9 °C (64.2 °F) - May: 20.0 °C (68.0 °F) - June: 23.8 °C (74.8 °F) - July: 26.4 °C (79.5 °F) - August: 27.3 °C (81.1 °F) - September: 26.4 °C (79.5 °F) - October: 24.6 °C (76.3 °F) - November: 22.5 °C (72.5 °F) - December: 19.6 °C (67.3 °F)