Asakusa Samba Carnival Month of August to September... Weather is very hot and sunny in Tokyo. average temperature is around 31C degrees high to 22C degree low. Must see attraction is THE Asakusa's Samba Carnival. Location: Streets of Asakusa.(its about 20minute walk from New Koyo Hotel.) Time: 13:30 to 18:00. Date: August 30th.(saturday) Lots of beautiful dancing girls with fabulous costumes. also many delicious food stalls available.