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Weather Comparison

Phnom Penh vs Nha Trang

Side-by-side weather comparison for January

Phnom Penh: 32°CNha Trang: 26°C475 km apart

January Weather: Phnom Penh vs Nha Trang

MetricPhnom PenhNha TrangBetter
Average HighHigher is warmer32°C (90°F)26°C (79°F)Phnom Penh
Average LowHigher is milder22°C (72°F)21°C (70°F)Phnom Penh
Rain DaysFewer is drier3 days10 daysPhnom Penh
PrecipitationLess is drier15 mm71 mmPhnom Penh
Sunshine HoursMore is sunnier10h/day10h/dayTie
HumidityLower is more comfortable82%82%Tie
UV IndexLower is safer33Tie
Wind SpeedCalmer is better13 km/h12 km/hNha Trang

Which City is Better in January?

Phnom Penh and Nha Trang are closely matched in January. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Phnom Penh can feel quite hot at 32°C, so plan for heat. Nha Trang is also comfortable at 26°C.

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

Temperature Comparison in January

Phnom Penh reaches an average high of 32°C (90°F) and drops to 22°C (72°F) at night during January. The daily temperature range is 10°C, meaning moderate variation throughout the day.

Nha Trang averages 26°C (79°F) for the high and 21°C (70°F) for the low, with a daily range of 5°C. There is a notable 6°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in January.

Rainfall Comparison in January

Phnom Penh receives approximately 15 mm of rainfall across 3 rain days during January. Rain is occasional, so a light rain jacket should suffice.

Nha Trang sees 71 mm over 10 rain days. That makes Phnom Penh the drier option by 7 rain days and 56 mm of total precipitation.

Both cities share similar humidity levels at 82%.

What to Pack: Phnom Penh vs Nha Trang

Packing for Phnom Penh in January

Highs of 32°C, lows of 22°C, 3 rain days

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

Packing for Nha Trang in January

Highs of 26°C, lows of 21°C, 10 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

Pack for both: moisture-wicking fabrics. These items are useful in either destination during January.

Year-Round Comparison: Phnom Penh vs Nha Trang

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.January is highlighted for quick reference.

MonthPhnom PenhNha Trang
HighRainHighRain
Jan32°C3d26°C10d
Feb33°C2d27°C6d
Mar35°C6d29°C9d
Apr35°C14d31°C12d
May34°C23d32°C23d
Jun32°C24d32°C24d
Jul32°C25d32°C24d
Aug32°C25d32°C24d
Sep31°C27d30°C26d
Oct30°C25d28°C26d
Nov30°C11d27°C21d
Dec31°C5d26°C17d
32°

Phnom Penh Weather in January

Full forecast, packing tips, and activities

26°

Nha Trang Weather in January

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Phnom Penh warmer than Nha Trang in January?
Yes. In January, Phnom Penh is warmer with an average high of 32°C (90°F) compared to Nha Trang at 26°C (79°F), a difference of 6°C.
Which city gets more rain in January, Phnom Penh or Nha Trang?
Nha Trang gets more rain in January with 10 rain days and 71 mm of precipitation. Phnom Penh is the drier option with 3 rain days.
Is it better to visit Phnom Penh or Nha Trang in January?
It depends on your preferences. Phnom Penh averages 32°C and 10 hours of daily sunshine with 3 rain days. Nha Trang averages 26°C with 10 sunshine hours and 10 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 Nha Trang?
Phnom Penh and Nha Trang are approximately 475 km (295 miles) apart. Phnom Penh is located in Cambodia (Asia) while Nha Trang is in Vietnam (Asia).
What is the best month to visit Phnom Penh and Nha Trang?
For Phnom Penh, February tends to be the best month with 11 hours of daily sunshine and a high of 33°C. For Nha Trang, February is typically ideal with 11 sunshine hours and 27°C highs.

Compare Phnom Penh and Nha Trang 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 | Nha Trang coordinates: 12.24°N, 109.20°E