UV index at 13 in Avarua means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
Read more here about the climate and sun exposure in and around Avarua.
The UV index in Avarua, Cook Islands, can reach high levels throughout the year. On average, the UV index ranges from 8 to 11 (very high to extreme), indicating a strong risk of skin damage from the sun. It is important to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize the risk of sunburn and long-term sun damage.
Avarua experiences a tropical climate with two distinct seasons. The dry season, which lasts from May to October, brings cooler temperatures and less rainfall, making it an ideal time for outdoor activities. The wet season, from November to April, is characterized by higher temperatures, humidity, and increased rainfall. It is advisable to anticipate sudden rain showers and potential tropical storms during this period.
Compared to its region, Avarua receives a moderate amount of sun exposure. With an average of around 2,100 hours of sunshine per year, it falls between the sunnier regions to the north and the slightly cloudier areas to the south. The Cook Islands, including Avarua, offer beautiful beaches and a pleasant tropical climate, but it is essential to be cautious of the strong UV rays and unpredictable weather patterns, regardless of the season.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Avarua. It's designed to provide you with a better understanding of the yearly weather and sun exposure.