As of 11:26 PM AST on August 1, 2026, all 4 cities in Guánica 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 Guánica Municipio, PR is expected to be 11.6 in Guánica between 1:00 PM - 2:00 PM AST tomorrow.