Ho Chi Minh City vs Phnom Penh

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Phnom Penh edges ahead as the better destination in December. Phnom Penh offers 10 hours of daily sunshine with only 5 rain days, while Ho Chi Minh City sees 10 sunshine hours and 9 rain days.

Ho Chi Minh City can feel quite hot at 30°C, so plan for heat. Phnom Penh runs hot at 31°C.

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

Ho Chi Minh City reaches an average high of 30°C (86°F) and drops to 22°C (72°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Phnom Penh averages 31°C (88°F) for the high and 23°C (73°F) for the low, with a daily range of 8°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 December.

Ho Chi Minh City receives approximately 62 mm of rainfall across 9 rain days during December. You can expect rain roughly every other day.

Phnom Penh sees 26 mm over 5 rain days. That makes Phnom Penh the drier option by 4 rain days and 36 mm of total precipitation.

Both cities share similar humidity levels at 82%.