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North America

Houston UV index

Local Time Mo Dec 30 Tu Dec 31 We Jan 01 Th Jan 02
UV index 5 5 4 1


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, 30 Dec, 14:55 GMT

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