Phnom Penh vs Nha Trang

Phnom Penh and Nha Trang are closely matched in October. 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.

Phnom Penh can feel quite hot at 30°C, so plan for heat. Nha Trang is also comfortable at 28°C.

For travelers who prioritize dry weather, Phnom Penh is the stronger choice in October.

Phnom Penh reaches an average high of 30°C (86°F) and drops to 24°C (75°F) at night during October. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Nha Trang averages 28°C (82°F) for the high and 24°C (75°F) for the low, with a daily range of 4°C. The 2°C difference is noticeable but not dramatic.

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

Phnom Penh receives approximately 249 mm of rainfall across 25 rain days during October. Rain is frequent, so waterproof gear is essential.

Nha Trang sees 276 mm over 26 rain days. That makes Phnom Penh the drier option by 1 rain day and 27 mm of total precipitation.

Both cities share similar humidity levels at 82%.