How would be weather condition in Japan in December?

Question:

I will be travelling to Japan Tokyo in the month of December. How would be the weather conditon in Japan in december and can I alone go and see the various places that time?

Answer:

Well, where in Japan will you be? The weather isn't the same all over Japan. If you're going to be in Okinawa it will be a fairly tropical climate. But if you're in Hokkaido or the Japanese Alps region, expect lots of very cold and very snowy weather. Places like Kyoto and Tokyo might get cold but may not have snow at all.

I don't see why you wouldn't be able to go alone and see things. But you need to keep in mind that December isn't a bit tourist season in Japan. So on the one hand you won't have a lot of crowds to deal with, but on the other hand some things (like a lot of the shops in Arashiyama in Kyoto) might be closes or might have limited hours.