As of 3:06 AM AST on October 21, 2025, all 5 cities in Guayama 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 Guayama Municipio, PR is expected to be 9.4 in Jobos between 12:00 PM - 1:00 PM AST today.