Like Death Valley's climate (4)
I believe the answer is:
arid
'like death valley's climate' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for arid that I've seen before include "Dry and infertile" , "Desiccated" , "Dry and unfertile" , "flat" , "Parched with heat" .)