As of 10:35 PM AST on February 20, 2026, all 6 cities in Santa Isabel 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 Santa Isabel Municipio, PR is expected to be 10.7 in Jauca between 12:00 PM - 1:00 PM AST tomorrow.