Is it hot in June or July of the lunar calendar?

June is the hottest month in the lunar calendar, and July 22 in the solar calendar enters the "great summer heat" in the 24 solar terms of the lunar calendar. The summer solar term is the hottest time of the year.

Every year on July 22nd or 23rd of the solar calendar, when the sun reaches120th degree, it is the summer solar term, and it is the last solar term in summer. The summer solar term is the hottest period of the year, just before and after the "middle volt" of the "dog days".