Rarotonga Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Rarotonga, Aitutaki, Cook Islands. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

The sunniest days in Rarotonga occur in August, with around 191 hours of sunshine. Even in May, the least sunny month, Rarotonga still enjoys a comfortable 162 hours of sunlight. The total annual sunshine amounts to 2096 hours.

Daily hours of sunshine

Year-round, Rarotonga offers plenty of sunlight to enjoy during your holiday. The difference between the sunniest month, August, with 6.4 hours of daily sunshine, and May, the least sunny month, with 5.4 hours, is minimal.

Rarotonga vs Major Cities: Sunshine Compared

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

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Related Climate Data for Rarotonga

January, Rarotonga’s wettest month, receives 197 mm (7.8 in) of rainfall and has a maximum daytime temperature of 28°C (82°F). During the driest month June you can expect a temperature of 26°C (79°F).

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.