How to prepare for a trip to Japan?

take an umbrella when you go out. Japan has a maritime climate, with uncertain rain and shine. Take an umbrella to be prepared. Take a folding umbrella when traveling, but it's best to take a gentleman's umbrella when going on business or visiting relatives. Because in Japan, there is an umbrella basket in front of most shops and even private houses. Long umbrellas can stand in the basket, but folding umbrellas can't be put in the basket.