# San Cristóbal water temperature Sea temperature at San Cristóbal is 26.5 °C (79.7 °F). - Location: San Cristóbal, Ecuador - Timezone: Pacific/Galapagos - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T23:25:02.162566-06:00 - Forecast page: https://snorkelforecast.com/ecuador/san-cristobal/ - HTML sea temperature: https://snorkelforecast.com/ecuador/san-cristobal/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: 24.8 °C (76.6 °F) - February: 27.7 °C (81.9 °F) - March: 28.0 °C (82.4 °F) - April: 26.9 °C (80.4 °F) - May: 25.3 °C (77.5 °F) - June: 24.4 °C (75.9 °F) - July: 23.4 °C (74.1 °F) - August: 22.2 °C (72.0 °F) - September: 21.8 °C (71.2 °F) - October: 22.5 °C (72.5 °F) - November: 23.0 °C (73.4 °F) - December: 23.1 °C (73.6 °F)