Click on a day for an hourly weather forecast
The weather in Phnom Penh in January is hot. The average temperatures are between 22°C and 33°C.
You can expect a few rainy days in Phnom Penh during January, but usually the weather is comfortable in January.
Our weather forecast can give you a great sense of what weather to expect in Phnom Penh in January 2025.
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 |