# Santorini water temperature

Sea temperature at Santorini is 24.6 °C (76.3 °F).

- Location: Santorini, Greece
- Timezone: Europe/Athens
- Source: Open-Meteo marine forecast (snapshot)
- Generated at: 2026-09-24T14:03:31.282397+03:00
- Forecast page: https://snorkelforecast.com/greece/santorini/
- HTML sea temperature: https://snorkelforecast.com/greece/santorini/sea-temperature/
- Temperature is not a safety rating or snorkel score.
- Guidance: Mild water
- What to wear: A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.

## Monthly baseline

- January: 17.9 °C (64.2 °F)
- February: 17.2 °C (63.0 °F)
- March: 17.1 °C (62.8 °F)
- April: 17.8 °C (64.0 °F)
- May: 19.3 °C (66.7 °F)
- June: 22.7 °C (72.9 °F)
- July: 24.6 °C (76.3 °F)
- August: 25.9 °C (78.6 °F)
- September: 25.1 °C (77.2 °F)
- October: 23.1 °C (73.6 °F)
- November: 21.3 °C (70.3 °F)
- December: 19.3 °C (66.7 °F)