Share 'Weather!'

Hi! I will be starting my program in Ayacucho on May 10, and I feel like I have no idea what kind of clothing to pack! It probably sounds silly, but with only a backpack, I want to make sure I'm bringing the most sensible clothing. There seems to be a large temperature range, and if anyone has been during the months of May/June, maybe you could shed some light on whether we should be packing mo...