Sea Temperature in Rarotonga in August

© Lubica Zbonak

Complete information on the sea temperature range in the Pacific Ocean in Rarotonga in August. Historical daily data. Climate details for August. Tips on swimming conditions and beach relaxation in Rarotonga. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Rarotonga Climate and Swimming Opportunities in August

Rarotonga lies within in Cook Islands. The average daytime temperature in Rarotonga in August is 26°C (78°F), while the nighttime average is 20°C (68°F). There are typically four rainy days during the month, with a total precipitation of 90 mm (3.6 inches). The daylight duration in August in Rarotonga is 11 hours, with an average of 6 hours of sunshine per day. The average wind speed in August is 17 km/h (11 mph), and the humidity level is around 69%.

The water temperature in Rarotonga in August ranges from 23°C to 25°C (73°F to 77°F). At the beginning of the month, the average temperature is around 25°C (77°F), shifting to 24°C (75°F) by mid-August and reaching 24°C (75°F) in the last ten days. Overall, the average sea temperature in Rarotonga for August is 24°C (75°F). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in August in Rarotonga