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Weather Comparison

Bangkok vs Siem Reap

Side-by-side weather comparison for April

Bangkok: 35°CSiem Reap: 34°C364 km apart

April Weather: Bangkok vs Siem Reap

MetricBangkokSiem ReapBetter
Average HighHigher is warmer35°C (95°F)34°C (93°F)Bangkok
Average LowHigher is milder27°C (81°F)26°C (79°F)Bangkok
Rain DaysFewer is drier11 days15 daysBangkok
PrecipitationLess is drier71 mm98 mmBangkok
Sunshine HoursMore is sunnier11h/day11h/dayTie
HumidityLower is more comfortable82%82%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better16 km/h12 km/hSiem Reap

Which City is Better in April?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Bangkok edges ahead as the better destination in April. Bangkok offers 11 hours of daily sunshine with only 11 rain days, while Siem Reap sees 11 sunshine hours and 15 rain days.

Bangkok can feel quite hot at 35°C, so plan for heat. Siem Reap runs hot at 34°C.

For travelers who prioritize dry weather, Bangkok is the stronger choice in April.

Temperature Comparison in April

Bangkok reaches an average high of 35°C (95°F) and drops to 27°C (81°F) at night during April. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Siem Reap 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 April.

Rainfall Comparison in April

Bangkok receives approximately 71 mm of rainfall across 11 rain days during April. You can expect rain roughly every other day.

Siem Reap sees 98 mm over 15 rain days. That makes Bangkok the drier option by 4 rain days and 27 mm of total precipitation.

Both cities share similar humidity levels at 82%.

What to Pack: Bangkok vs Siem Reap

Packing for Bangkok in April

Highs of 35°C, lows of 27°C, 11 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

Packing for Siem Reap in April

Highs of 34°C, lows of 26°C, 15 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 April.

Year-Round Comparison: Bangkok 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.April is highlighted for quick reference.

MonthBangkokSiem Reap
HighRainHighRain
Jan31°C3d31°C2d
Feb32°C3d33°C3d
Mar34°C6d34°C9d
Apr35°C11d34°C15d
May33°C21d33°C22d
Jun32°C22d32°C21d
Jul32°C23d32°C22d
Aug31°C24d31°C25d
Sep31°C26d30°C26d
Oct30°C21d30°C23d
Nov31°C7d30°C9d
Dec31°C2d30°C3d
35°

Bangkok Weather in April

Full forecast, packing tips, and activities

34°

Siem Reap Weather in April

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Bangkok warmer than Siem Reap in April?
Yes. In April, Bangkok is warmer with an average high of 35°C (95°F) compared to Siem Reap at 34°C (93°F), a difference of 1°C.
Which city gets more rain in April, Bangkok or Siem Reap?
Siem Reap gets more rain in April with 15 rain days and 98 mm of precipitation. Bangkok is the drier option with 11 rain days.
Is it better to visit Bangkok or Siem Reap in April?
It depends on your preferences. Bangkok averages 35°C and 11 hours of daily sunshine with 11 rain days. Siem Reap averages 34°C with 11 sunshine hours and 15 rain days. If you prefer warmer weather, choose Bangkok. For drier weather, Bangkok is the better pick.
How far apart are Bangkok and Siem Reap?
Bangkok and Siem Reap are approximately 364 km (226 miles) apart. Bangkok is located in Thailand (Asia) while Siem Reap is in Cambodia (Asia).
What is the best month to visit Bangkok and Siem Reap?
For Bangkok, January tends to be the best month with 11 hours of daily sunshine and a high of 31°C. For Siem Reap, January is typically ideal with 11 sunshine hours and 31°C highs.

Compare Bangkok 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.

Bangkok coordinates: 13.76°N, 100.50°E | Siem Reap coordinates: 13.37°N, 103.84°E