How is the temperature in Macau in December?

pu1. You can't think of winter in Korea because it's very south. You can wear short sleeves

2017-10-24

OK

pu2. It's a little hot outside, and you can wear short sleeves or long sleeves
If we count it as early autumn?
Instead, it's better to take simple outerwear because it can be very cold indoors because of the air conditioner

2017-10-25

OK