First time to CM?
Jan this year was turning from cool to warm. If first time go, must see things are doi suthep, golden triangle 1 day tour, walk old city, hunt for Michelin star restaurants, 3 kings monument, wat prha Singh, university night market, cabaret show at anusarn market, doi inthanon hike...
For night life, loy kroh Rd, syt hj massage, piak piak massage, warm up, sound up, Zoe yellow...
These are the basic places where tourist go to. Chiang Mai is big and many things to do. It's not just a small city around the old city.