As of 4:21 AM AST on September 9, 2025, all 8 cities in Juana Díaz Municipio, PR in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Juana Díaz Municipio, PR is expected to be 11.9 in Juana Díaz between 12:00 PM - 1:00 PM AST today.