UV Index
UV Index
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Today's UV index in Avarua, Cook Islands 
will be up to 9.3, indicating a very high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With a UV index of 9.3 in Avarua, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in Avarua, Cook Islands, is often high due to its tropical location. On average, the UV index is high to very high from September to May, and moderate during the winter months.
Avarua experiences two main seasons: the dry season from April to October, and the wet season from November to March. The dry season is cooler and less humid, while the wet season is warmer with higher humidity and more rainfall.
Compared to its region and neighboring countries, Avarua's weather is typically milder and less extreme. While other Pacific islands may experience typhoons or hurricanes, the Cook Islands are rarely affected. The temperature in Avarua is also more consistent, with less variation between day and night and throughout the year.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Avarua. It's designed to provide you with a better understanding of the yearly weather and sun exposure.