Bangkok vs Siem Reap

Bangkok and Siem Reap are closely matched in May. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Bangkok can feel quite hot at 33°C, so plan for heat. Siem Reap runs hot at 33°C.

For travelers who prioritize dry weather, Bangkok is the stronger choice in May. Siem Reap receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Bangkok reaches an average high of 33°C (91°F) and drops to 26°C (79°F) at night during May. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Siem Reap averages 33°C (91°F) for the high and 26°C (79°F) for the low, with a daily range of 7°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in May.

Bangkok receives approximately 135 mm of rainfall across 21 rain days during May. Rain is frequent, so waterproof gear is essential.

Siem Reap sees 154 mm over 22 rain days. That makes Bangkok the drier option by 1 rain day and 19 mm of total precipitation.

Both cities share similar humidity levels at 82%.