As of 12:39 PM AST on May 15, 2026, all 5 cities in Arecibo Municipio, PR in our database have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Arecibo, PR with a reading of 12.8.
Over the next 24 hours, the highest UV Index reading in Arecibo Municipio, PR is expected to be 12.8 in Arecibo between 12:00 PM - 1:00 PM AST today.