# Cozumel water temperature

Sea temperature at Cozumel is 30.4 °C (86.7 °F).

- Location: Cozumel, Mexico
- Timezone: America/Cancun
- Source: Open-Meteo marine forecast (snapshot)
- Generated at: 2026-09-22T09:53:05.835798-05:00
- Forecast page: https://snorkelforecast.com/mexico/cozumel/
- HTML sea temperature: https://snorkelforecast.com/mexico/cozumel/sea-temperature/
- Temperature is not a safety rating or snorkel score.
- Guidance: Very warm water
- What to wear: Swimwear is usually enough; a rash guard adds sun protection.

## Monthly baseline

- January: 27.4 °C (81.3 °F)
- February: 27.2 °C (81.0 °F)
- March: 27.5 °C (81.5 °F)
- April: 27.8 °C (82.0 °F)
- May: 28.8 °C (83.8 °F)
- June: 29.6 °C (85.3 °F)
- July: 29.6 °C (85.3 °F)
- August: 30.1 °C (86.2 °F)
- September: 30.4 °C (86.7 °F)
- October: 30.1 °C (86.2 °F)
- November: 29.1 °C (84.4 °F)
- December: 28.1 °C (82.6 °F)