Siem Reap vs Bangkok

Siem Reap and Bangkok 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.

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

Siem Reap 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.

Bangkok 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.

Siem Reap receives approximately 154 mm of rainfall across 22 rain days during May. Rain is frequent, so waterproof gear is essential.

Bangkok sees 135 mm over 21 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%.