 Most of Cafayate region in Salta is located at above sea levels in the river delta between the Rio Calchaqui and the Rio Santa Maria.The climate of the area experiences a foehn effect which traps rain producing cloud cover in the mountains and leaves the area dry and sunny.Despite its high altitude daytime temperatures in the summertime can reach but at night the area experiences a wide diurnal temperature variation with night time temperatures dropping as low as .