Click on a day for an hourly weather forecast
The weather in Phnum Penh in December is hot. The average temperatures are between 22°C and 31°C.
You can expect about 3 to 8 days of rain in Phnum Penh during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Phnum Penh in December 2024.
If you’re planning to visit Phnum Penh in the near future, we highly recommend that you review the 14 day weather forecast for Phnum Penh before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 22° | 1 | 30 | 0 | 30 mm | Good | Phnum Penh in January |
| February | 35° / 24° | 1 | 27 | 0 | 30 mm | Ok | Phnum Penh in February |
| March | 36° / 26° | 3 | 28 | 0 | 75 mm | Ok | Phnum Penh in March |
| April | 36° / 27° | 10 | 20 | 0 | 223 mm | Bad | Phnum Penh in April |
| May | 35° / 27° | 15 | 16 | 0 | 268 mm | Bad | Phnum Penh in May |
| June | 34° / 26° | 16 | 14 | 0 | 226 mm | Bad | Phnum Penh in June |
| July | 33° / 25° | 15 | 16 | 0 | 206 mm | Ok | Phnum Penh in July |
| August | 33° / 25° | 16 | 15 | 0 | 244 mm | Ok | Phnum Penh in August |
| September | 32° / 25° | 20 | 10 | 0 | 353 mm | Ok | Phnum Penh in September |
| October | 32° / 25° | 16 | 15 | 0 | 363 mm | Ok | Phnum Penh in October |
| November | 31° / 24° | 6 | 24 | 0 | 160 mm | Good | Phnum Penh in November |
| December | 31° / 22° | 3 | 28 | 0 | 69 mm | Good | Phnum Penh in December |