Yes, you will need a light jacket or sweater.
Yes, the AC turns on and off but it is a small area so when it runs it gets cold very fast. Small coat to cover up is advised.
Yes
Bring light sweater
Better cold then hot.. of course carry a lite jacket to anywhere there is AC
Yes it's good to bring a jacket it's pretty cool
You may need a sweater my wife had one and other ladies as well.
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