Weather Comparison
Side-by-side weather comparison for June
| Metric | Bangkok | Siem Reap | Better |
|---|---|---|---|
| Average HighHigher is warmer | 32°C (90°F) | 32°C (90°F) | Tie |
| Average LowHigher is milder | 25°C (77°F) | 26°C (79°F)▲ | Siem Reap |
| Rain DaysFewer is drier | 18 days▲ | 21 days | Bangkok |
| PrecipitationLess is drier | 210 mm | 137 mm▲ | Siem Reap |
| Sunshine HoursMore is sunnier | 7h/day | 10h/day▲ | Siem Reap |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 8 | 8 | Tie |
| Wind SpeedCalmer is better | 15 km/h | 15 km/h | Tie |
Bangkok and Siem Reap are closely matched in June. 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.
Bangkok can feel quite hot at 32°C, so plan for heat. Siem Reap runs hot at 32°C.
For travelers who prioritize dry weather, Bangkok is the stronger choice in June. Siem Reap receives 3 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Bangkok reaches an average high of 32°C (90°F) and drops to 25°C (77°F) at night during June. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Siem Reap averages 32°C (90°F) for the high and 26°C (79°F) for the low, with a daily range of 6°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 June.
Bangkok receives approximately 210 mm of rainfall across 18 rain days during June. Rain is frequent, so waterproof gear is essential.
Siem Reap sees 137 mm over 21 rain days. That makes Bangkok the drier option by 3 rain days and 73 mm of total precipitation.
Both cities share similar humidity levels at 82%.
Highs of 32°C, lows of 25°C, 18 rain days
Highs of 32°C, lows of 26°C, 21 rain days
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 June.
The table below shows average high temperatures and rain days for every month. June is highlighted for quick reference.
| Month | Bangkok | Siem Reap | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 28°C | 7d | 31°C | 2d |
| Feb | 29°C | 9d | 33°C | 3d |
| Mar | 30°C | 12d | 34°C | 9d |
| Apr | 31°C | 15d | 34°C | 15d |
| May | 32°C | 17d | 33°C | 22d |
| Jun | 32°C | 18d | 32°C | 21d |
| Jul | 32°C | 17d | 32°C | 22d |
| Aug | 31°C | 15d | 31°C | 25d |
| Sep | 30°C | 12d | 30°C | 26d |
| Oct | 29°C | 9d | 30°C | 23d |
| Nov | 28°C | 7d | 30°C | 9d |
| Dec | 28°C | 6d | 30°C | 3d |
Bangkok Weather in June
Full forecast, packing tips, and activities
Siem Reap Weather in June
Full forecast, packing tips, and activities