Phnom Penh Weather in April
April in Phnom Penh brings extremely high temperatures, with highs of 37°C (99°F) and nights dropping to 27°C (81°F). Rainfall is on the higher side this month, averaging around 94 mm (3.7 in), so keep a rain jacket handy.
Rainfall in Phnom Penh in April
Past climate data indicates that roughly 7 days will see rain, totalling around 94 mm (3.7 in) for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Phnom Penh in April
Daytime highs in Phnom Penh in April reach 37°C (99°F), with nights around 27°C (81°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down. Typical temperatures can be misleading; some days will be hotter. Prepare with light clothing and plenty of hydration to stay cool.
Sunshine in Phnom Penh in April
With approximately 241 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Phnom Penh in April
Wind speeds average 3 m/s (6 knots) during April. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.If you prefer dry days with pleasant temperatures, April may not be the ideal month to visit Phnom Penh. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Phnom Penh's climate page.
Phnom Penh Temperature in April
Min Temperature
27°C (81°F)
Max Temperature
37°C (99°F)
Chance of Rain
22%
Precipitation
94 mm (3.7 in)
Rainy days
7 days
Humidity
73%
Windspeed
3 m/s (6 knots)
Sunshine
241 hours
Percentage Sunshine
Historical weather for Phnom Penh in April
Browse day-by-day weather records for Phnom Penh spanning 38 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Phnom Penh historical weather extremes in April
Our historical data for Phnom Penh spans 1999 to 2026, revealing these weather extremes.
- The warmest day in April was on April 12, 2016, with a maximum of 41°C (106°F).
- The coldest April day was on April 1, 2017, with a maximum of 27°C (81°F).
- Nighttime temperatures dropped to 20°C (68°F) on April 2, 2023, marking the coldest April night on record.
Best Places in Cambodia in April
Find out more about the weather in Cambodia and which places have the best travel conditions in this month. See all of Cambodia in April →
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What to Wear in Phnom Penh in April
Pack for serious heat in Phnom Penh in April. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Phnom Penh in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Phnom Penh's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Phnom Penh climate overview or explore weather in Cambodia.
