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Weather Comparison

Ho Chi Minh City vs Siem Reap

Side-by-side weather comparison for December

Ho Chi Minh City: 30°CSiem Reap: 30°C414 km apart

December Weather: Ho Chi Minh City vs Siem Reap

MetricHo Chi Minh CitySiem ReapBetter
Average HighHigher is warmer30°C (86°F)30°C (86°F)Tie
Average LowHigher is milder22°C (72°F)21°C (70°F)Ho Chi Minh City
Rain DaysFewer is drier9 days3 daysSiem Reap
PrecipitationLess is drier62 mm15 mmSiem Reap
Sunshine HoursMore is sunnier9h/day10h/daySiem Reap
HumidityLower is more comfortable82%82%Tie
UV IndexLower is safer33Tie
Wind SpeedCalmer is better11 km/h13 km/hHo Chi Minh City

Which City is Better in December?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Siem Reap edges ahead as the better destination in December. Siem Reap offers 10 hours of daily sunshine with only 3 rain days, while Ho Chi Minh City sees 9 sunshine hours and 9 rain days.

Ho Chi Minh City can feel quite hot at 30°C, so plan for heat. Siem Reap runs hot at 30°C.

For travelers who prioritize dry weather, Siem Reap is the stronger choice in December. Siem Reap receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in December

Ho Chi Minh City reaches an average high of 30°C (86°F) and drops to 22°C (72°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Siem Reap averages 30°C (86°F) for the high and 21°C (70°F) for the low, with a daily range of 9°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

Ho Chi Minh City receives approximately 62 mm of rainfall across 9 rain days during December. You can expect rain roughly every other day.

Siem Reap sees 15 mm over 3 rain days. That makes Siem Reap the drier option by 6 rain days and 47 mm of total precipitation.

Both cities share similar humidity levels at 82%.

What to Pack: Ho Chi Minh City vs Siem Reap

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

Packing for Siem Reap in December

Highs of 30°C, lows of 21°C, 3 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • moisture-wicking fabrics

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

Year-Round Comparison: Ho Chi Minh City vs Siem Reap

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.

MonthHo Chi Minh CitySiem Reap
HighRainHighRain
Jan31°C4d31°C2d
Feb33°C2d33°C3d
Mar34°C5d34°C9d
Apr34°C12d34°C15d
May33°C25d33°C22d
Jun31°C27d32°C21d
Jul31°C29d32°C22d
Aug31°C29d31°C25d
Sep30°C29d30°C26d
Oct30°C27d30°C23d
Nov30°C17d30°C9d
Dec30°C9d30°C3d
30°

Ho Chi Minh City Weather in December

Full forecast, packing tips, and activities

30°

Siem Reap Weather in December

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Ho Chi Minh City warmer than Siem Reap in December?
Ho Chi Minh City and Siem Reap have the same average high temperature of 30°C (86°F) in December. The average lows are 22°C and 21°C respectively.
Which city gets more rain in December, Ho Chi Minh City or Siem Reap?
Ho Chi Minh City gets more rain in December with 9 rain days and 62 mm of precipitation. Siem Reap is the drier option with 3 rain days.
Is it better to visit Ho Chi Minh City or Siem Reap in December?
It depends on your preferences. Ho Chi Minh City averages 30°C and 9 hours of daily sunshine with 9 rain days. Siem Reap averages 30°C with 10 sunshine hours and 3 rain days. If you prefer cooler conditions, choose Siem Reap. For fewer rain days, Siem Reap is the better pick.
How far apart are Ho Chi Minh City and Siem Reap?
Ho Chi Minh City and Siem Reap are approximately 414 km (257 miles) apart. Ho Chi Minh City is located in Vietnam (Asia) while Siem Reap is in Cambodia (Asia).
What is the best month to visit Ho Chi Minh City and Siem Reap?
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 Siem Reap, January is typically ideal with 11 sunshine hours and 31°C highs.

Compare Ho Chi Minh City and Siem Reap 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 | Siem Reap coordinates: 13.37°N, 103.84°E