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Weather Comparison

Phnom Penh vs Ho Chi Minh City

Side-by-side weather comparison for August

Phnom Penh: 32°CHo Chi Minh City: 31°C206 km apart

August Weather: Phnom Penh vs Ho Chi Minh City

MetricPhnom PenhHo Chi Minh CityBetter
Average HighHigher is warmer32°C (90°F)31°C (88°F)Phnom Penh
Average LowHigher is milder25°C (77°F)24°C (75°F)Phnom Penh
Rain DaysFewer is drier25 days29 daysPhnom Penh
PrecipitationLess is drier179 mm269 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.

Phnom Penh can feel quite hot at 32°C, so plan for heat. Ho Chi Minh City runs hot at 31°C.

For travelers who prioritize dry weather, Phnom Penh is the stronger choice in August.

Temperature Comparison in August

Phnom Penh reaches an average high of 32°C (90°F) and drops to 25°C (77°F) at night during August. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Ho Chi Minh City averages 31°C (88°F) for the high and 24°C (75°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

Phnom Penh receives approximately 179 mm of rainfall across 25 rain days during August. Rain is frequent, so waterproof gear is essential.

Ho Chi Minh City sees 269 mm over 29 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: Phnom Penh vs Ho Chi Minh City

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

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

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: Phnom Penh vs Ho Chi Minh City

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.

MonthPhnom PenhHo Chi Minh City
HighRainHighRain
Jan32°C3d31°C4d
Feb33°C2d33°C2d
Mar35°C6d34°C5d
Apr35°C14d34°C12d
May34°C23d33°C25d
Jun32°C24d31°C27d
Jul32°C25d31°C29d
Aug32°C25d31°C29d
Sep31°C27d30°C29d
Oct30°C25d30°C27d
Nov30°C11d30°C17d
Dec31°C5d30°C9d
32°

Phnom Penh Weather in August

Full forecast, packing tips, and activities

31°

Ho Chi Minh City Weather in August

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Phnom Penh warmer than Ho Chi Minh City in August?
Yes. 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, Phnom Penh or Ho Chi Minh City?
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 Phnom Penh or Ho Chi Minh City in August?
It depends on your preferences. Phnom Penh averages 32°C and 9 hours of daily sunshine with 25 rain days. Ho Chi Minh City averages 31°C with 9 sunshine hours and 29 rain days. If you prefer warmer weather, choose Phnom Penh. For drier weather, Phnom Penh is the better pick.
How far apart are Phnom Penh and Ho Chi Minh City?
Phnom Penh and Ho Chi Minh City are approximately 206 km (128 miles) apart. Phnom Penh is located in Cambodia (Asia) while Ho Chi Minh City is in Vietnam (Asia).
What is the best month to visit Phnom Penh and Ho Chi Minh City?
For Phnom Penh, February tends to be the best month with 11 hours of daily sunshine and a high of 33°C. For Ho Chi Minh City, February is typically ideal with 11 sunshine hours and 33°C highs.

Compare Phnom Penh and Ho Chi Minh City 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.

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