# Molokini Crater water temperature Sea temperature at Molokini Crater is 28.0 °C (82.4 °F). - Location: Molokini Crater, USA - Timezone: Pacific/Honolulu - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T02:30:11.413808-10:00 - Forecast page: https://snorkelforecast.com/usa/molokini-crater/ - HTML sea temperature: https://snorkelforecast.com/usa/molokini-crater/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: 25.4 °C (77.7 °F) - February: 24.8 °C (76.6 °F) - March: 24.8 °C (76.6 °F) - April: 25.2 °C (77.4 °F) - May: 25.9 °C (78.6 °F) - June: 26.3 °C (79.3 °F) - July: 26.6 °C (79.9 °F) - August: 27.1 °C (80.8 °F) - September: 27.3 °C (81.1 °F) - October: 27.1 °C (80.8 °F) - November: 26.6 °C (79.9 °F) - December: 26.0 °C (78.8 °F)