Hi!
I live in Dubai (Highs of 45 degrees Celsius(113F) in summer, low of 15 degrees Celsius (59F) in winter), i have a model 3 Performance 2020 with just under 20K kms (12K miles) and owned the car for almost 1 year.
I've noticed that my original range of 450 KM (280 miles) when I charge it up...