As of 6:19 PM AST on June 22, 2026, all 4 cities in Guánica Municipio, PR in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Guánica, PR with a reading of 0.4.
Over the next 24 hours, the highest UV Index reading in Guánica Municipio, PR is expected to be 11.4 in Guánica between 12:00 PM - 1:00 PM AST tomorrow.