# Culebra water temperature Sea temperature at Culebra is 29.8 °C (85.6 °F). - Location: Culebra, Puerto Rico - Timezone: America/Puerto_Rico - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T10:53:30.064365-04:00 - Forecast page: https://snorkelforecast.com/puerto-rico/culebra/ - HTML sea temperature: https://snorkelforecast.com/puerto-rico/culebra/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: 27.1 °C (80.8 °F) - February: 26.5 °C (79.7 °F) - March: 27.0 °C (80.6 °F) - April: 27.4 °C (81.3 °F) - May: 28.3 °C (82.9 °F) - June: 29.0 °C (84.2 °F) - July: 29.2 °C (84.6 °F) - August: 29.6 °C (85.3 °F) - September: 30.2 °C (86.4 °F) - October: 30.2 °C (86.4 °F) - November: 29.0 °C (84.2 °F) - December: 27.8 °C (82.0 °F)