Weather Comparison
Side-by-side weather comparison for December
| Metric | Phnom Penh | Ho Chi Minh City | Better |
|---|---|---|---|
| Average HighHigher is warmer | 31°C (88°F)▲ | 30°C (86°F) | Phnom Penh |
| Average LowHigher is milder | 23°C (73°F)▲ | 22°C (72°F) | Phnom Penh |
| Rain DaysFewer is drier | 5 days▲ | 9 days | Phnom Penh |
| PrecipitationLess is drier | 26 mm▲ | 62 mm | Phnom Penh |
| Sunshine HoursMore is sunnier | 10h/day | 10h/day | Tie |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 3 | 3 | Tie |
| Wind SpeedCalmer is better | 15 km/h | 11 km/h▲ | Ho Chi Minh City |
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.
Phnom Penh can feel quite hot at 31°C, so plan for heat. Ho Chi Minh City runs hot at 30°C.
For travelers who prioritize dry weather, Phnom Penh is the stronger choice in December.
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.
Ho Chi Minh City averages 30°C (86°F) for the high and 22°C (72°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.
Phnom Penh receives approximately 26 mm of rainfall across 5 rain days during December. Rain is occasional, so a light rain jacket should suffice.
Ho Chi Minh City sees 62 mm over 9 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%.
Highs of 31°C, lows of 23°C, 5 rain days
Highs of 30°C, lows of 22°C, 9 rain days
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, a packable rain jacket, an umbrella, moisture-wicking fabrics. These items are useful in either destination during December.
The table below shows average high temperatures and rain days for every month. December is highlighted for quick reference.
| Month | Phnom Penh | Ho Chi Minh City | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 32°C | 3d | 31°C | 4d |
| Feb | 33°C | 2d | 33°C | 2d |
| Mar | 35°C | 6d | 34°C | 5d |
| Apr | 35°C | 14d | 34°C | 12d |
| May | 34°C | 23d | 33°C | 25d |
| Jun | 32°C | 24d | 31°C | 27d |
| Jul | 32°C | 25d | 31°C | 29d |
| Aug | 32°C | 25d | 31°C | 29d |
| Sep | 31°C | 27d | 30°C | 29d |
| Oct | 30°C | 25d | 30°C | 27d |
| Nov | 30°C | 11d | 30°C | 17d |
| Dec | 31°C | 5d | 30°C | 9d |
Phnom Penh Weather in December
Full forecast, packing tips, and activities
Ho Chi Minh City Weather in December
Full forecast, packing tips, and activities