# Whitsundays water temperature Sea temperature at Whitsundays is 22.5 °C (72.5 °F). - Location: Whitsundays, Australia - Timezone: Australia/Brisbane - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-23T00:19:18.241722+10:00 - Forecast page: https://snorkelforecast.com/australia/whitsundays/ - HTML sea temperature: https://snorkelforecast.com/australia/whitsundays/sea-temperature/ - Temperature is not a safety rating or snorkel score. - Guidance: Mild water - What to wear: A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit. ## Monthly baseline - January: 28.7 °C (83.7 °F) - February: 28.9 °C (84.0 °F) - March: 28.0 °C (82.4 °F) - April: 27.0 °C (80.6 °F) - May: 24.1 °C (75.4 °F) - June: 22.5 °C (72.5 °F) - July: 21.9 °C (71.4 °F) - August: 21.7 °C (71.1 °F) - September: 23.2 °C (73.8 °F) - October: 25.1 °C (77.2 °F) - November: 27.1 °C (80.8 °F) - December: 28.1 °C (82.6 °F)