Weather Comparison
Side-by-side weather comparison for August
| Metric | Ho Chi Minh City | Phnom Penh | Better |
|---|---|---|---|
| Average HighHigher is warmer | 31°C (88°F) | 32°C (90°F)▲ | Phnom Penh |
| Average LowHigher is milder | 24°C (75°F) | 25°C (77°F)▲ | Phnom Penh |
| Rain DaysFewer is drier | 29 days | 25 days▲ | Phnom Penh |
| PrecipitationLess is drier | 269 mm | 179 mm▲ | Phnom Penh |
| Sunshine HoursMore is sunnier | 9h/day | 9h/day | Tie |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 8 | 8 | Tie |
| Wind SpeedCalmer is better | 15 km/h | 15 km/h | Tie |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Phnom Penh edges ahead as the better destination in August. Phnom Penh offers 9 hours of daily sunshine with only 25 rain days, while Ho Chi Minh City sees 9 sunshine hours and 29 rain days.
Ho Chi Minh City can feel quite hot at 31°C, so plan for heat. Phnom Penh runs hot at 32°C.
For travelers who prioritize dry weather, Phnom Penh is the stronger choice in August.
Ho Chi Minh City reaches an average high of 31°C (88°F) and drops to 24°C (75°F) at night during August. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Phnom Penh averages 32°C (90°F) for the high and 25°C (77°F) for the low, with a daily range of 7°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 August.
Ho Chi Minh City receives approximately 269 mm of rainfall across 29 rain days during August. Rain is frequent, so waterproof gear is essential.
Phnom Penh sees 179 mm over 25 rain days. That makes Phnom Penh the drier option by 4 rain days and 90 mm of total precipitation.
Both cities share similar humidity levels at 82%.
Highs of 31°C, lows of 24°C, 29 rain days
Highs of 32°C, lows of 25°C, 25 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 August.
The table below shows average high temperatures and rain days for every month. August is highlighted for quick reference.
| Month | Ho Chi Minh City | Phnom Penh | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 31°C | 4d | 32°C | 3d |
| Feb | 33°C | 2d | 33°C | 2d |
| Mar | 34°C | 5d | 35°C | 6d |
| Apr | 34°C | 12d | 35°C | 14d |
| May | 33°C | 25d | 34°C | 23d |
| Jun | 31°C | 27d | 32°C | 24d |
| Jul | 31°C | 29d | 32°C | 25d |
| Aug | 31°C | 29d | 32°C | 25d |
| Sep | 30°C | 29d | 31°C | 27d |
| Oct | 30°C | 27d | 30°C | 25d |
| Nov | 30°C | 17d | 30°C | 11d |
| Dec | 30°C | 9d | 31°C | 5d |
Ho Chi Minh City Weather in August
Full forecast, packing tips, and activities
Phnom Penh Weather in August
Full forecast, packing tips, and activities