# San Andrés water temperature Sea temperature at San Andrés is 29.5 °C (85.1 °F). - Location: San Andrés, Colombia - Timezone: America/Bogota - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T09:54:06.743708-05:00 - Forecast page: https://snorkelforecast.com/colombia/san-andres/ - HTML sea temperature: https://snorkelforecast.com/colombia/san-andres/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: 28.1 °C (82.6 °F) - February: 27.4 °C (81.3 °F) - March: 27.8 °C (82.0 °F) - April: 28.2 °C (82.8 °F) - May: 29.1 °C (84.4 °F) - June: 29.3 °C (84.7 °F) - July: 28.8 °C (83.8 °F) - August: 29.3 °C (84.7 °F) - September: 29.9 °C (85.8 °F) - October: 30.2 °C (86.4 °F) - November: 29.5 °C (85.1 °F) - December: 28.7 °C (83.7 °F)