# Ponza water temperature Sea temperature at Ponza is 26.4 °C (79.5 °F). - Location: Ponza, Italy - Timezone: Europe/Rome - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-24T14:54:20.754373+02:00 - Forecast page: https://snorkelforecast.com/italy/ponza/ - HTML sea temperature: https://snorkelforecast.com/italy/ponza/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: 16.2 °C (61.2 °F) - February: 15.1 °C (59.2 °F) - March: 15.3 °C (59.5 °F) - April: 16.5 °C (61.7 °F) - May: 19.3 °C (66.7 °F) - June: 24.1 °C (75.4 °F) - July: 27.1 °C (80.8 °F) - August: 27.1 °C (80.8 °F) - September: 25.0 °C (77.0 °F) - October: 22.6 °C (72.7 °F) - November: 19.9 °C (67.8 °F) - December: 17.5 °C (63.5 °F)