Crossword clues for the word: UVINDEX The word UVINDEX has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for UVINDEX Showing 1 to 7 of 7 results Clue(s) It drops to 0 after sundown Measure discussed on the EPA's SunWise web page Measure of burning potential Number for beachgoers Scale used in summer weather forecasts Scale with the highest reading at midday, usually Sunburn-related meas.