# Holbox water temperature Sea temperature at Holbox is 29.2 °C (84.6 °F). - Location: Holbox, Mexico - Timezone: America/Cancun - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-23T00:26:55.760963-05:00 - Forecast page: https://snorkelforecast.com/mexico/holbox/ - HTML sea temperature: https://snorkelforecast.com/mexico/holbox/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: 24.6 °C (76.3 °F) - February: 24.8 °C (76.6 °F) - March: 25.7 °C (78.3 °F) - April: 25.6 °C (78.1 °F) - May: 26.1 °C (79.0 °F) - June: 26.7 °C (80.1 °F) - July: 27.0 °C (80.6 °F) - August: 28.0 °C (82.4 °F) - September: 29.3 °C (84.7 °F) - October: 28.8 °C (83.8 °F) - November: 27.3 °C (81.1 °F) - December: 25.7 °C (78.3 °F)