Bangkok vs Koh Samui

Bangkok and Koh Samui are closely matched in July. 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 32°C, so plan for heat. Koh Samui runs hot at 32°C.

For travelers who prioritize dry weather, both cities are equally dry in July.

Bangkok reaches an average high of 32°C (90°F) and drops to 25°C (77°F) at night during July. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Koh Samui averages 32°C (90°F) for the high and 25°C (77°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 July.

Bangkok receives approximately 201 mm of rainfall across 17 rain days during July. Rain is frequent, so waterproof gear is essential.

Koh Samui sees 201 mm over 17 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 82%.