Pure vampire
"Why?"
"Too much vampire blood makes you overheat a bit." He shrugged. "It won't turn you— You're very much human, like I've said before, but sometimes the vampire blood causes a type of burn to take over in your bloodstream, not painful, just not exactly pleasant if it's a hundred degrees outside."
"Good thing it's Seattle." I bit into the toast.
"Yes, well, I imagine at this point, raindrops would simply turn to vapor if they landed on your skin."