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.
Japan climate in Winter (December-February) â temperatures are around 5 â 10 degrees Celsius (40 â 50 degrees Fahrenheit). Winter requires packing suitable clothes for this climate in Japan. See More: Packing checklist for Japan. The Weather In Japan during winter is very dry, and gives your skin a hard time.