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Weather Comparison

Ho Chi Minh City vs Phnom Penh

Side-by-side weather comparison for August

Ho Chi Minh City: 31°CPhnom Penh: 32°C206 km apart

August Weather: Ho Chi Minh City vs Phnom Penh

MetricHo Chi Minh CityPhnom PenhBetter
Average HighHigher is warmer31°C (88°F)32°C (90°F)Phnom Penh
Average LowHigher is milder24°C (75°F)25°C (77°F)Phnom Penh
Rain DaysFewer is drier29 days25 daysPhnom Penh
PrecipitationLess is drier269 mm179 mmPhnom Penh
Sunshine HoursMore is sunnier9h/day9h/dayTie
HumidityLower is more comfortable82%82%Tie
UV IndexLower is safer88Tie
Wind SpeedCalmer is better15 km/h15 km/hTie

Which City is Better in August?

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.

Temperature Comparison 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.

Rainfall Comparison 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%.

What to Pack: Ho Chi Minh City vs Phnom Penh

Packing for Ho Chi Minh City in August

Highs of 31°C, lows of 24°C, 29 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

Packing for Phnom Penh in August

Highs of 32°C, lows of 25°C, 25 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

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.

Year-Round Comparison: Ho Chi Minh City vs Phnom Penh

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.August is highlighted for quick reference.

MonthHo Chi Minh CityPhnom Penh
HighRainHighRain
Jan31°C4d32°C3d
Feb33°C2d33°C2d
Mar34°C5d35°C6d
Apr34°C12d35°C14d
May33°C25d34°C23d
Jun31°C27d32°C24d
Jul31°C29d32°C25d
Aug31°C29d32°C25d
Sep30°C29d31°C27d
Oct30°C27d30°C25d
Nov30°C17d30°C11d
Dec30°C9d31°C5d
31°

Ho Chi Minh City Weather in August

Full forecast, packing tips, and activities

32°

Phnom Penh Weather in August

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Ho Chi Minh City warmer than Phnom Penh in August?
No. In August, Phnom Penh is warmer with an average high of 32°C (90°F) compared to Ho Chi Minh City at 31°C (88°F), a difference of 1°C.
Which city gets more rain in August, Ho Chi Minh City or Phnom Penh?
Ho Chi Minh City gets more rain in August with 29 rain days and 269 mm of precipitation. Phnom Penh is the drier option with 25 rain days.
Is it better to visit Ho Chi Minh City or Phnom Penh in August?
It depends on your preferences. Ho Chi Minh City averages 31°C and 9 hours of daily sunshine with 29 rain days. Phnom Penh averages 32°C with 9 sunshine hours and 25 rain days. If you prefer cooler conditions, choose Phnom Penh. For fewer rain days, Phnom Penh is the better pick.
How far apart are Ho Chi Minh City and Phnom Penh?
Ho Chi Minh City and Phnom Penh are approximately 206 km (128 miles) apart. Ho Chi Minh City is located in Vietnam (Asia) while Phnom Penh is in Cambodia (Asia).
What is the best month to visit Ho Chi Minh City and Phnom Penh?
For Ho Chi Minh City, February tends to be the best month with 11 hours of daily sunshine and a high of 33°C. For Phnom Penh, February is typically ideal with 11 sunshine hours and 33°C highs.

Compare Ho Chi Minh City and Phnom Penh in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Ho Chi Minh City coordinates: 10.82°N, 106.63°E | Phnom Penh coordinates: 11.54°N, 104.89°E