Snow on the Volcano?

Um, so yesterday there was snow on top of Acatenango, one of the volcanoes we can see from NPH. It had rained the night before, and it was maybe slightly chillier than usual, but still...sort of a mystery. Acatenango isn't that much higher up than we are at NPH Guatemala, and there was definitely no snow here haha. Apparently this snow thing only happens maybe once a year at most.

Crazy, right?