Click on a day for an hourly weather forecast
The weather in Phnom 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 Phnom 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 Phnom Penh in December 2024.
If you’re planning to visit Phnom Penh in the near future, we highly recommend that you review the 14 day weather forecast for Phnom 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 | Phnom Penh in January |
| February | 35° / 24° | 1 | 27 | 0 | 30 mm | Ok | Phnom Penh in February |
| March | 36° / 26° | 3 | 28 | 0 | 75 mm | Ok | Phnom Penh in March |
| April | 36° / 27° | 10 | 20 | 0 | 223 mm | Bad | Phnom Penh in April |
| May | 35° / 27° | 15 | 16 | 0 | 268 mm | Bad | Phnom Penh in May |
| June | 34° / 26° | 16 | 14 | 0 | 226 mm | Bad | Phnom Penh in June |
| July | 33° / 25° | 15 | 16 | 0 | 206 mm | Ok | Phnom Penh in July |
| August | 33° / 25° | 16 | 15 | 0 | 244 mm | Ok | Phnom Penh in August |
| September | 32° / 25° | 20 | 10 | 0 | 353 mm | Ok | Phnom Penh in September |
| October | 32° / 25° | 16 | 15 | 0 | 363 mm | Ok | Phnom Penh in October |
| November | 31° / 24° | 6 | 24 | 0 | 160 mm | Good | Phnom Penh in November |
| December | 31° / 22° | 3 | 28 | 0 | 69 mm | Good | Phnom Penh in December |