Hmm, i have never been there but i guess, thailland massage help, does it?  Anyway, check +38164 120 777 3 , boss in the office name is Violeta (i forgoted family name). Anyway, she run this agency in neigbourhood of police HQ in Belgrade. You even may tell Sasa recomand you, if it help something. I was client there for some kind of administrative troubles about car paper and she resolved it with success. 10h-17h local time.
About dry weather, you better check elgouna.com  I spent some time there and was fine. City in desert, built from one man. Beauty and leisure. Bye!