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.
Female Dogs go into heat at any time between 6-12 months usually. The average heat cycle for a dog is approximately 3 weeks but for some dogs it is longer and for others it is shorter. Some as short as 10 days and some as long as 4 weeks or more.