Andalusia is also home to the driest place in continental Europe , the Cabo de Gata , with only 117 millimetres ( 4.6 in ) of rain per year .
The place in Andalusia with the highest rainfall is in the Sierra de Grazalema ( 2,138 millimetres ( 84.2 in ) per year ) and the driest place is Cabo de Gata , the place with the least amount of rainfall in Europe with only 117 millimetres ( 4.6 in ) of rain per year .