Phnom Penh vs Nha Trang

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Phnom Penh edges ahead as the better destination in December. Phnom Penh offers 9 hours of daily sunshine with only 5 rain days, while Nha Trang sees 8 sunshine hours and 17 rain days.

Phnom Penh can feel quite hot at 31°C, so plan for heat. Nha Trang is also comfortable at 26°C.

For travelers who prioritize dry weather, Phnom Penh is the stronger choice in December. Phnom Penh receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Phnom Penh reaches an average high of 31°C (88°F) and drops to 23°C (73°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Nha Trang averages 26°C (79°F) for the high and 22°C (72°F) for the low, with a daily range of 4°C. There is a notable 5°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 December.

Phnom Penh receives approximately 26 mm of rainfall across 5 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Nha Trang sees 229 mm over 17 rain days. That makes Phnom Penh the drier option by 12 rain days and 203 mm of total precipitation.

Both cities share similar humidity levels at 82%.