Click on a day for an hourly weather forecast
The weather in Siem Reap in December is hot. The average temperatures are between 22°C and 31°C.
You can expect a few rainy days in Siem Reap during December, but usually the weather is comfortable in December.
Our weather forecast can give you a great sense of what weather to expect in Siem Reap in December 2024.
If you’re planning to visit Siem Reap in the near future, we highly recommend that you review the 14 day weather forecast for Siem Reap before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 32° / 21° | 1 | 30 | 0 | 24 mm | Good | Siem Reap in January |
| February | 34° / 23° | 1 | 27 | 0 | 31 mm | Ok | Siem Reap in February |
| March | 36° / 26° | 4 | 27 | 0 | 99 mm | Ok | Siem Reap in March |
| April | 36° / 27° | 10 | 20 | 0 | 216 mm | Bad | Siem Reap in April |
| May | 35° / 27° | 13 | 18 | 0 | 298 mm | Bad | Siem Reap in May |
| June | 33° / 26° | 17 | 13 | 0 | 367 mm | Ok | Siem Reap in June |
| July | 32° / 25° | 21 | 10 | 0 | 426 mm | Ok | Siem Reap in July |
| August | 32° / 25° | 20 | 11 | 0 | 444 mm | Ok | Siem Reap in August |
| September | 31° / 25° | 22 | 8 | 0 | 575 mm | Ok | Siem Reap in September |
| October | 31° / 24° | 16 | 15 | 0 | 487 mm | Ok | Siem Reap in October |
| November | 31° / 23° | 6 | 24 | 0 | 151 mm | Good | Siem Reap in November |
| December | 31° / 22° | 1 | 30 | 0 | 32 mm | Good | Siem Reap in December |