Average monthly wind speed in Rarotonga

The mean monthly wind speed over the year in Rarotonga (Aitutaki), the Cook Islands.

The mean wind speed in Rarotonga over the year fluctuates between 3 m/s (6 knots) and 5 m/s (10 knots).

The 3 m/s (6 knots) average wind speed in March and April brings moderate air movement. Conditions can vary throughout the month, with some days experiencing stronger winds and others remaining calm. At this average speed, leaves and small branches move steadily, and flags show continuous motion. This equates to about 11 kilometers per hour or 6.7 miles per hour.

Wind speeds average 5 m/s (10 knots) during September, making these the windiest months of the year. Most days bring strong winds that can sway small trees and make walking more challenging. Umbrellas are difficult to manage. The average speed of 5 m/s equals 18 km/h or 11.2 mph. While calmer intervals or stronger gusts may occur, breezy conditions are typical throughout this period. It's generally a great time for flying a kite or going windsurfing.

For more detailed information about Rarotonga’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Rarotonga climate page.