Average Monthly Sunshine in Rarotonga

The graphs on this page shows the average number of hours per month and per day that Rarotonga receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Year-round, Rarotonga offers consistent sunshine. The difference between the sunniest month, August, with 191 hours, and May, the least sunny month, with 162, is minimal. The total annual sunshine amounts to 2096 hours.

Daily hours of sunshine

The sunniest days in Rarotonga occur in August, with around 6.4 hours of daily sunshine. Even in May, the least sunny month, Rarotonga doesn't shy away from the sun, still enjoying a comfortable 5.4 hours of daily sunlight.

Rarotonga’s total hours of sunshine compared to other major cities

Rarotonga enjoys an average of 2096 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

Other climate information

January, Rarotonga’s wettest month, receives 197 mm of rainfall and has a maximum daytime temperature of 28°C. During the driest month June you can expect a temperature of 26°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Rarotonga Precipitation page.