In Spanish, the name of the seventh month is "
Julio" (pron. HOO - lee - oh), from latin "Iulius" and it's a male name (vgr.
Julio César.) Also exists female "
Julia" (pron. HOO - lee - ah). I think the difference is: we know that the name of the month (
Julio) is just like the people's name. "
July", instead, english speakers don´t see it like a person name. This is my point of view.