OCN is a three letter abbreviation that stands for: 1  OCLC Control Number, a bibliographic record identifier. 2  In Oncology nursing, an Oncology Certified Nurse. 3  Opaskwayak Cree Nation. 4  Open College Network.
Autumn is from September to November and is characterised by light breezes and cooler temperatures of around 46-50ÂºF. Itâs during autumn that many exhibitions, music concerts and sports tournaments are held in Japan.
Average monthly weather in Tokyo, Japan. 1  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.