World

United Kingdom

Derby UV index

Local Time Mo May 25 Tu May 26 We May 27 Th May 28
UV index 3 4 4 4


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: Su, 24 May, 19:26 BST

Forecast

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