As of 2:08 PM AST on April 25, 2026, all 2 cities in San Germán Municipio, PR in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is San Germán, PR with a reading of 10.2.
Over the next 24 hours, the highest UV Index reading in San Germán Municipio, PR is expected to be 11.9 in San Germán between 1:00 PM - 2:00 PM AST tomorrow.