Bangkok vs Koh Samui

Bangkok and Koh Samui are closely matched in April. 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 35°C, so plan for heat. Koh Samui is also comfortable at 27°C.

For travelers who prioritize dry weather, Bangkok is the stronger choice in April.

Bangkok reaches an average high of 35°C (95°F) and drops to 27°C (81°F) at night during April. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Koh Samui averages 27°C (81°F) for the high and 24°C (75°F) for the low, with a daily range of 3°C. There is a notable 8°C gap between the two cities, so expect a very different feel.

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

Bangkok receives approximately 71 mm of rainfall across 11 rain days during April. You can expect rain roughly every other day.

Koh Samui sees 96 mm over 12 rain days. That makes Bangkok the drier option by 1 rain day and 25 mm of total precipitation.

Both cities share similar humidity levels at 82%.