UV Index
UV Index
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Today's UV index in Oranjestad, Aruba 
will be up to 11.9, indicating a extreme 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.
UV index at 11.9 in Oranjestad 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.
The UV index in Oranjestad, Aruba is consistently high throughout the year, making sun protection essential.
Oranjestad has a dry and warm climate year-round, with two seasons: the dry season from December to April and the wet season from May to November. However, rain is still infrequent during the wet season.
Compared to its region and neighboring countries, Oranjestad's weather is relatively stable, without the extreme hurricane activity that affects other Caribbean destinations. Aruba's desert climate results in persistent sunshine and low rainfall, making it a popular tourist destination.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Oranjestad. It's designed to provide you with a better understanding of the yearly weather and sun exposure.