ClimaGo › Siem Reap › Weather in December
Cambodia
December features delightful cool dry weather with temperatures around 24°C, abundant sunshine and zero rainfall, offering exceptional conditions for extensive temple hopping and outdoor activities though hotels book quickly during this most popular season.
Avg High
30°C
Avg Low
21°C
Daily Rain
1mm
Rainfall
Low
✅ December is one of the best months to visit Siem Reap!
Siem Reap serves as the gateway to Angkor Wat's magnificent temple complex where ancient Khmer ruins stand amid lush jungles creating an unforgettable archaeological adventure.