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Weather Comparison

Phnom Penh vs Ho Chi Minh City

Side-by-side weather comparison for December

Phnom Penh: 31°CHo Chi Minh City: 30°C206 km apart

December Weather: Phnom Penh vs Ho Chi Minh City

MetricPhnom PenhHo Chi Minh CityBetter
Average HighHigher is warmer31°C (88°F)30°C (86°F)Phnom Penh
Average LowHigher is milder23°C (73°F)22°C (72°F)Phnom Penh
Rain DaysFewer is drier5 days9 daysPhnom Penh
PrecipitationLess is drier26 mm62 mmPhnom Penh
Sunshine HoursMore is sunnier9h/day9h/dayTie
HumidityLower is more comfortable82%82%Tie
UV IndexLower is safer33Tie
Wind SpeedCalmer is better15 km/h11 km/hHo Chi Minh City

Which City is Better in December?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Phnom Penh edges ahead as the better destination in December. Phnom Penh offers 9 hours of daily sunshine with only 5 rain days, while Ho Chi Minh City sees 9 sunshine hours and 9 rain days.

Phnom Penh can feel quite hot at 31°C, so plan for heat. Ho Chi Minh City runs hot at 30°C.

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

Temperature Comparison in December

Phnom Penh reaches an average high of 31°C (88°F) and drops to 23°C (73°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Ho Chi Minh City averages 30°C (86°F) for the high and 22°C (72°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 December.

Rainfall Comparison in December

Phnom Penh receives approximately 26 mm of rainfall across 5 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Ho Chi Minh City sees 62 mm over 9 rain days. That makes Phnom Penh the drier option by 4 rain days and 36 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 December

Highs of 31°C, lows of 23°C, 5 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • a packable rain jacket
  • an umbrella
  • moisture-wicking fabrics

Packing for Ho Chi Minh City in December

Highs of 30°C, lows of 22°C, 9 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • a packable rain jacket
  • an umbrella
  • moisture-wicking fabrics

Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, a packable rain jacket, an umbrella, moisture-wicking fabrics. These items are useful in either destination during December.

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.December 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
31°

Phnom Penh Weather in December

Full forecast, packing tips, and activities

30°

Ho Chi Minh City Weather in December

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Phnom Penh warmer than Ho Chi Minh City in December?
Yes. In December, Phnom Penh is warmer with an average high of 31°C (88°F) compared to Ho Chi Minh City at 30°C (86°F), a difference of 1°C.
Which city gets more rain in December, Phnom Penh or Ho Chi Minh City?
Ho Chi Minh City gets more rain in December with 9 rain days and 62 mm of precipitation. Phnom Penh is the drier option with 5 rain days.
Is it better to visit Phnom Penh or Ho Chi Minh City in December?
It depends on your preferences. Phnom Penh averages 31°C and 9 hours of daily sunshine with 5 rain days. Ho Chi Minh City averages 30°C with 9 sunshine hours and 9 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