Click on a day for an hourly weather forecast
The temperatures in Phnom Penh during April are extremely high, between 27°C and hot as 36°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of April in Phnom Penh. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Phnom Penh in April 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 |