weather forecast rarotonga cook islands
Rarotonga: Weather Forecast. The warmest day over the next 7 days in Rarotonga is forecast to be 26th April at 29Â°C (84Â°F) and the warmest night on 20th April at 25Â°C (77Â°F). The average temperature over the next 7 days is forecast to be 28Â°C (82Â°F) and there will be 4 days of sunshine . The average for April is 26Â°C (78Â°F) in Rarotonga.