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Weather Comparison

Ho Chi Minh City vs Phnom Penh

Side-by-side weather comparison for May

Ho Chi Minh City: 33°CPhnom Penh: 34°C206 km apart

May Weather: Ho Chi Minh City vs Phnom Penh

MetricHo Chi Minh CityPhnom PenhBetter
Average HighHigher is warmer33°C (91°F)34°C (93°F)Phnom Penh
Average LowHigher is milder26°C (79°F)26°C (79°F)Tie
Rain DaysFewer is drier25 days23 daysPhnom Penh
PrecipitationLess is drier199 mm156 mmPhnom Penh
Sunshine HoursMore is sunnier10h/day10h/dayTie
HumidityLower is more comfortable82%82%Tie
UV IndexLower is safer88Tie
Wind SpeedCalmer is better13 km/h13 km/hTie

Which City is Better in May?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Phnom Penh edges ahead as the better destination in May. Phnom Penh offers 10 hours of daily sunshine with only 23 rain days, while Ho Chi Minh City sees 10 sunshine hours and 25 rain days.

Ho Chi Minh City can feel quite hot at 33°C, so plan for heat. Phnom Penh runs hot at 34°C.

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

Temperature Comparison in May

Ho Chi Minh City reaches an average high of 33°C (91°F) and drops to 26°C (79°F) at night during May. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Phnom Penh averages 34°C (93°F) for the high and 26°C (79°F) for the low, with a daily range of 8°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 May.

Rainfall Comparison in May

Ho Chi Minh City receives approximately 199 mm of rainfall across 25 rain days during May. Rain is frequent, so waterproof gear is essential.

Phnom Penh sees 156 mm over 23 rain days. That makes Phnom Penh the drier option by 2 rain days and 43 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 May

Highs of 33°C, lows of 26°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 Phnom Penh in May

Highs of 34°C, lows of 26°C, 23 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 May.

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.May 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
33°

Ho Chi Minh City Weather in May

Full forecast, packing tips, and activities

34°

Phnom Penh Weather in May

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Ho Chi Minh City warmer than Phnom Penh in May?
No. In May, Phnom Penh is warmer with an average high of 34°C (93°F) compared to Ho Chi Minh City at 33°C (91°F), a difference of 1°C.
Which city gets more rain in May, Ho Chi Minh City or Phnom Penh?
Ho Chi Minh City gets more rain in May with 25 rain days and 199 mm of precipitation. Phnom Penh is the drier option with 23 rain days.
Is it better to visit Ho Chi Minh City or Phnom Penh in May?
It depends on your preferences. Ho Chi Minh City averages 33°C and 10 hours of daily sunshine with 25 rain days. Phnom Penh averages 34°C with 10 sunshine hours and 23 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