Weather Comparison
Side-by-side weather comparison for December
| Metric | Phu Quoc | Phnom Penh | Better |
|---|---|---|---|
| Average HighHigher is warmer | 28°C (82°F) | 31°C (88°F)▲ | Phnom Penh |
| Average LowHigher is milder | 25°C (77°F)▲ | 23°C (73°F) | Phu Quoc |
| Rain DaysFewer is drier | 9 days | 5 days▲ | Phnom Penh |
| PrecipitationLess is drier | 49 mm | 26 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 | 24 km/h | 15 km/h▲ | Phnom Penh |
Phu Quoc and Phnom Penh are closely matched in December. 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.
Phu Quoc sits in the comfortable travel range at 28°C. Phnom Penh runs hot at 31°C.
For travelers who prioritize dry weather, Phnom Penh is the stronger choice in December.
Phu Quoc reaches an average high of 28°C (82°F) and drops to 25°C (77°F) at night during December. The daily temperature range is 3°C, meaning relatively stable temperatures from day to night.
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 3°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in December.
Phu Quoc receives approximately 49 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 23 mm of total precipitation.
Both cities share similar humidity levels at 82%.
Highs of 28°C, lows of 25°C, 9 rain days
Highs of 31°C, lows of 23°C, 5 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 | Phu Quoc | Phnom Penh | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 28°C | 9d | 32°C | 3d |
| Feb | 28°C | 8d | 33°C | 2d |
| Mar | 29°C | 14d | 35°C | 6d |
| Apr | 30°C | 20d | 35°C | 14d |
| May | 29°C | 27d | 34°C | 23d |
| Jun | 28°C | 27d | 32°C | 24d |
| Jul | 28°C | 28d | 32°C | 25d |
| Aug | 28°C | 28d | 32°C | 25d |
| Sep | 28°C | 27d | 31°C | 27d |
| Oct | 28°C | 27d | 30°C | 25d |
| Nov | 28°C | 16d | 30°C | 11d |
| Dec | 28°C | 9d | 31°C | 5d |
Phu Quoc Weather in December
Full forecast, packing tips, and activities
Phnom Penh Weather in December
Full forecast, packing tips, and activities