As of 9:15 AM AST on August 21, 2026, all 8 cities in Humacao Municipio, PR in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Palmas del Mar, PR with a reading of 1.8.
Over the next 24 hours, the highest UV Index reading in Humacao Municipio, PR is expected to be 11.2 in Humacao between 1:00 PM - 2:00 PM AST today.