As of 12:42 PM AST on April 22, 2026, all 8 cities in Humacao Municipio, PR in our database have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Humacao, PR with a reading of 13.
Over the next 24 hours, the highest UV Index reading in Humacao Municipio, PR is expected to be 13 in Humacao between 12:00 PM - 1:00 PM AST today.