# Rarotonga water temperature

Sea temperature at Rarotonga is 23.0 °C (73.4 °F).

- Location: Rarotonga, Cook Islands
- Timezone: Pacific/Rarotonga
- Source: Open-Meteo marine forecast (snapshot)
- Generated at: 2026-09-22T19:25:36.839571-10:00
- Forecast page: https://snorkelforecast.com/cook-islands/rarotonga/
- HTML sea temperature: https://snorkelforecast.com/cook-islands/rarotonga/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: 27.2 °C (81.0 °F)
- February: 28.0 °C (82.4 °F)
- March: 28.3 °C (82.9 °F)
- April: 27.8 °C (82.0 °F)
- May: 26.6 °C (79.9 °F)
- June: 25.4 °C (77.7 °F)
- July: 24.9 °C (76.8 °F)
- August: 24.6 °C (76.3 °F)
- September: 24.3 °C (75.7 °F)
- October: 24.4 °C (75.9 °F)
- November: 24.8 °C (76.6 °F)
- December: 25.8 °C (78.4 °F)