There are several Malls around the Phoenix area!
The Scottsdale Fashion Sqaure. (Very Large) 7014 East Camelback Rd. The Arizona Biltmore 2502 East Camelback(Upscale & Trendy Mall) The Arizona Center Downtown. ( I liked this one!) The Fiesta Mall on US60 and Alma School Rd. Also the Arizona Mills Mall and the Camelback Colonade. Some have large parking garages. Dont forget where ya parked! ( I do that stuff!)
As for tempeture mid 60's to low 70's is what I found when I was there. I lived in the Flagstaff area and plan to return someday. I live in upstate NY right now. Phoenix is nice in the Winter! As for places to see that would be up to your own interests!
Have agood trip!