Weather Comparison
Side-by-side weather comparison for December
| Metric | Phnom Penh | Phu Quoc | Better |
|---|---|---|---|
| Average HighHigher is warmer | 31°C (88°F)▲ | 28°C (82°F) | Phnom Penh |
| Average LowHigher is milder | 23°C (73°F) | 25°C (77°F)▲ | Phu Quoc |
| Rain DaysFewer is drier | 5 days▲ | 9 days | Phnom Penh |
| PrecipitationLess is drier | 26 mm▲ | 49 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▲ | 24 km/h | Phnom Penh |
Phnom Penh and Phu Quoc 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.
Phnom Penh can feel quite hot at 31°C, so plan for heat. Phu Quoc is also comfortable at 28°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.
Phu Quoc averages 28°C (82°F) for the high and 25°C (77°F) for the low, with a daily range of 3°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.
Phnom Penh receives approximately 26 mm of rainfall across 5 rain days during December. Rain is occasional, so a light rain jacket should suffice.
Phu Quoc sees 49 mm over 9 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 31°C, lows of 23°C, 5 rain days
Highs of 28°C, lows of 25°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 | Phu Quoc | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 32°C | 3d | 28°C | 9d |
| Feb | 33°C | 2d | 28°C | 8d |
| Mar | 35°C | 6d | 29°C | 14d |
| Apr | 35°C | 14d | 30°C | 20d |
| May | 34°C | 23d | 29°C | 27d |
| Jun | 32°C | 24d | 28°C | 27d |
| Jul | 32°C | 25d | 28°C | 28d |
| Aug | 32°C | 25d | 28°C | 28d |
| Sep | 31°C | 27d | 28°C | 27d |
| Oct | 30°C | 25d | 28°C | 27d |
| Nov | 30°C | 11d | 28°C | 16d |
| Dec | 31°C | 5d | 28°C | 9d |
Phnom Penh Weather in December
Full forecast, packing tips, and activities
Phu Quoc Weather in December
Full forecast, packing tips, and activities