World

Central America

St Thomas UV index

Local Time Mo Feb 17 Tu Feb 18 We Feb 19 Th Feb 20
UV index 8 8 9 8


The strength of the sun's ultraviolet (UV) radiation is expressed as a Solar UV Index or Sun Index.The UV Index does not exceed 8 in the UK (8 is rare; 7 may occur on exceptional days, mostly in the two weeks around the summer solstice). Indices of 9 and 10 are common in the Mediterranean area. The Sun Index forecast refers to the daily maximum.


Last updated: Mo, 17 Feb, 02:47 GMT