# Medes Islands water temperature Sea temperature at Medes Islands is 26.1 °C (79.0 °F). - Location: Medes Islands, Spain - Timezone: Europe/Madrid - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T16:56:03.454396+02:00 - Forecast page: https://snorkelforecast.com/spain/medes-islands/ - HTML sea temperature: https://snorkelforecast.com/spain/medes-islands/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: 14.0 °C (57.2 °F) - February: 13.5 °C (56.3 °F) - March: 13.7 °C (56.7 °F) - April: 14.6 °C (58.3 °F) - May: 17.2 °C (63.0 °F) - June: 21.1 °C (70.0 °F) - July: 24.0 °C (75.2 °F) - August: 24.9 °C (76.8 °F) - September: 22.6 °C (72.7 °F) - October: 20.1 °C (68.2 °F) - November: 17.6 °C (63.7 °F) - December: 15.2 °C (59.4 °F)