ClimaGo › Chiang Mai › Weather in December
Thailand
December features pleasantly cool temperatures between 55°F and 75°F with clear skies and low humidity, perfect for hiking, cycling and exploring night markets without discomfort from heat or rain.
Avg High
28°C
Avg Low
15°C
Daily Rain
0.5mm
Rainfall
Very low
✅ December is one of the best months to visit Chiang Mai!
This northern Thai city captivates with ancient temples, ethical elephant sanctuaries, night markets, cooking classes and serene mountain culture.