How long is summer break in japan?

School in Japan starts in April, with summer vacation normally beginning on the third Monday in July. This is a national holiday called Umi no Hi, also known as Sea Day or Marine Day. It lasts approximately four weeks, although this varies by region. read more

Summer vacation at most Japanese public elementary and middle schools now starts on Marine Day on July 20 and usually lasts for around six weeks through the end of August. In some regions like Hokkaido, though, where winters are very cold, summer vacations are sometimes a little shorter and winter breaks longer. read more