Vocabulary What does 十月 (じゅうがつ) mean? 十月 (じゅうがつ) means October. Quick factsReadingじゅうがつLevel (estimated, JLPT framework)N5 十月じゅうがつN5 · estimated, JLPT frameworkOctoberKanji in this word十ten; the number 10月month; moon