Weather Comparison
Side-by-side weather comparison for March
| Metric | Bangkok | Siem Reap | Better |
|---|---|---|---|
| Average HighHigher is warmer | 34°C (93°F) | 34°C (93°F) | Tie |
| Average LowHigher is milder | 25°C (77°F) | 25°C (77°F) | Tie |
| Rain DaysFewer is drier | 6 days▲ | 9 days | Bangkok |
| PrecipitationLess is drier | 40 mm▲ | 55 mm | Bangkok |
| Sunshine HoursMore is sunnier | 11h/day | 11h/day | Tie |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 16 km/h | 13 km/h▲ | Siem Reap |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Bangkok edges ahead as the better destination in March. Bangkok offers 11 hours of daily sunshine with only 6 rain days, while Siem Reap sees 11 sunshine hours and 9 rain days.
Bangkok can feel quite hot at 34°C, so plan for heat. Siem Reap runs hot at 34°C.
For travelers who prioritize dry weather, Bangkok is the stronger choice in March.
Bangkok reaches an average high of 34°C (93°F) and drops to 25°C (77°F) at night during March. The daily temperature range is 9°C, meaning moderate variation throughout the day.
Siem Reap averages 34°C (93°F) for the high and 25°C (77°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 March.
Bangkok receives approximately 40 mm of rainfall across 6 rain days during March. Rain is occasional, so a light rain jacket should suffice.
Siem Reap sees 55 mm over 9 rain days. That makes Bangkok the drier option by 3 rain days and 15 mm of total precipitation.
Both cities share similar humidity levels at 82%.
Highs of 34°C, lows of 25°C, 6 rain days
Highs of 34°C, lows of 25°C, 9 rain days
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 March.
The table below shows average high temperatures and rain days for every month. March is highlighted for quick reference.
| Month | Bangkok | Siem Reap | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 31°C | 3d | 31°C | 2d |
| Feb | 32°C | 3d | 33°C | 3d |
| Mar | 34°C | 6d | 34°C | 9d |
| Apr | 35°C | 11d | 34°C | 15d |
| May | 33°C | 21d | 33°C | 22d |
| Jun | 32°C | 22d | 32°C | 21d |
| Jul | 32°C | 23d | 32°C | 22d |
| Aug | 31°C | 24d | 31°C | 25d |
| Sep | 31°C | 26d | 30°C | 26d |
| Oct | 30°C | 21d | 30°C | 23d |
| Nov | 31°C | 7d | 30°C | 9d |
| Dec | 31°C | 2d | 30°C | 3d |
Bangkok Weather in March
Full forecast, packing tips, and activities
Siem Reap Weather in March
Full forecast, packing tips, and activities