Weather Comparison
Side-by-side weather comparison for May
| Metric | Phnom Penh | Phu Quoc | Better |
|---|---|---|---|
| Average HighHigher is warmer | 34°C (93°F)▲ | 29°C (84°F) | Phnom Penh |
| Average LowHigher is milder | 26°C (79°F) | 26°C (79°F) | Tie |
| Rain DaysFewer is drier | 23 days▲ | 27 days | Phnom Penh |
| PrecipitationLess is drier | 156 mm▲ | 310 mm | Phnom Penh |
| Sunshine HoursMore is sunnier | 11h/day▲ | 10h/day | Phnom Penh |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 8 | 8 | Tie |
| Wind SpeedCalmer is better | 13 km/h▲ | 22 km/h | Phnom Penh |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Phnom Penh edges ahead as the better destination in May. Phnom Penh offers 11 hours of daily sunshine with only 23 rain days, while Phu Quoc sees 10 sunshine hours and 27 rain days.
Phnom Penh can feel quite hot at 34°C, so plan for heat. Phu Quoc runs hot at 29°C.
For travelers who prioritize dry weather, Phnom Penh is the stronger choice in May. Phnom Penh receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Phnom Penh reaches an average high of 34°C (93°F) and drops to 26°C (79°F) at night during May. The daily temperature range is 8°C, meaning moderate variation throughout the day.
Phu Quoc averages 29°C (84°F) for the high and 26°C (79°F) for the low, with a daily range of 3°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 May.
Phnom Penh receives approximately 156 mm of rainfall across 23 rain days during May. Rain is frequent, so waterproof gear is essential.
Phu Quoc sees 310 mm over 27 rain days. That makes Phnom Penh the drier option by 4 rain days and 154 mm of total precipitation.
Both cities share similar humidity levels at 82%.
Highs of 34°C, lows of 26°C, 23 rain days
Highs of 29°C, lows of 26°C, 27 rain days
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during May.
The table below shows average high temperatures and rain days for every month. May 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 May
Full forecast, packing tips, and activities
Phu Quoc Weather in May
Full forecast, packing tips, and activities