# Kefalonia water temperature

Sea temperature at Kefalonia is 26.9 °C (80.4 °F).

- Location: Kefalonia, Greece
- Timezone: Europe/Athens
- Source: Open-Meteo marine forecast (snapshot)
- Generated at: 2026-09-23T03:41:56.370159+03:00
- Forecast page: https://snorkelforecast.com/greece/kefalonia/
- HTML sea temperature: https://snorkelforecast.com/greece/kefalonia/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: 17.3 °C (63.1 °F)
- February: 16.2 °C (61.2 °F)
- March: 16.7 °C (62.1 °F)
- April: 17.1 °C (62.8 °F)
- May: 19.4 °C (66.9 °F)
- June: 23.7 °C (74.7 °F)
- July: 26.2 °C (79.2 °F)
- August: 26.7 °C (80.1 °F)
- September: 25.9 °C (78.6 °F)
- October: 23.3 °C (73.9 °F)
- November: 21.6 °C (70.9 °F)
- December: 18.6 °C (65.5 °F)