As of 3:23 PM AST on December 25, 2025, all 8 cities in Juana Díaz Municipio, PR in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Juana Díaz, PR with a reading of 3.7.
Over the next 24 hours, the highest UV Index reading in Juana Díaz Municipio, PR is expected to be 7.2 in Juana Díaz between 12:00 PM - 1:00 PM AST tomorrow.