World Weather & Climate Information. Average monthly weather in Tokyo, Japan. The former city of Tokyo and the majority of mainland Tokyo lie in the humid subtropical climate zone with hot humid summers and generally mild winters with cool spells. Annual rainfall averages nearly 1,530 millimetres (60.2 in), with a wetter summer and a drier winter.
Replied on 04/19/2011. Most dogs have their first heat cycle at about 6 to 9 months, so I assume you mean months in your question not years. Female dogs are in heat for a period of 3 to 4 weeks.
Most dogs come into heat every 6 to 7 months http://www.gsdhelpline.com/heat.htm The female dog comes into heat (estrus) about every six months, although very large breeds of dogs may cycle every 8-10 months. The heat period lasts about three weeks.