Phnom Penh weather in April
Temperature, rain and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Poor
Best time to visit: December – January
What is the weather like in Phnom Penh in April?
In April, Phnom Penh is very hot: daytime highs average 35 °C, and even at night it stays warm at around 26 °C. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 15 days, totalling 84 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is not an ideal month for a holiday in Phnom Penh.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 23 min05:49 – 18:12
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 63 %on averageAll months
- Hot days
- 30 days30 °C or moreAll months
- Time zone
- UTC+7Asia/Phnom_Penh
How the score comes together
- Temperatureweight 50 %5 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 30 %21 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Phnom Penh in April: quick answers
Is Phnom Penh hot in April?
Yes. In April, Phnom Penh is very hot: daytime highs average 35 °C and nights stay around 26 °C. On about 30 days the thermometer climbs to 30 °C or more.
Does it rain much in Phnom Penh in April?
It rains often – on about 15 days, adding up to 84 mm.
Phnom Penh month by month
The whole year in Phnom PenhAll destinations: CambodiaWhere to go in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences