Yes. It is rare for it to snow in the Phoeniz area, Tempe, Tuscon, etc. But in the north such as: Flaggstaff, Grand Canyon, Kingman, etc., it is common.
yes it has ... believe it or not.
It has snowed in Austin.
Arizona and Phoenix.
no
Yes.
It has never snowed in Mumbai. The coldest temperature ever recorded in Mumbai was 7.4 Celsius which occurred in 1962.
Yes, it has snowed in Fremont, California but I'm not sure when though.
No it hasn't.
no
No.
No.
No.