SeasonMapKoh Rong weather in April
Cambodia
April in Koh Rong: hot, rainy, with muggy air — fine if you can take 23 rainy days.
#5 of 12 months in Koh Rong · #689 of 1383 destinations to visit in April · comfort 78/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Koh Rong in April
No notes yet. Open Koh Rong on the map to add the first one.
Koh Rong climate normals — April
| Daytime high | 31°C / 88°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Sea temperature | 31°C / 88°F | ♨️ bath-warm |
| Rainfall | 148 mm / 5.8 in | 🌧 rainy |
| Rainy days | 23 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 25°C / 78°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 12.4 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Koh Rong in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyKhmer New Year, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Koh Rong's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherKoh Rong's weather peaks December–February.
Best weatherFair weatherToughest weather
What's on in Koh Rong in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Holiday
Khmer New Year
13–17 AprWater-festival New YearCrowdedClosuresSihanoukville empties onto the islands for three days and the ferries run full both ways. Khmer-run places on the island shut for the holiday itself. Source ↗
Nearby, and something's on
Within 300 km of Koh Rong — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Koh Rong?
Koh Rong in April — FAQ
- Is April a good time to visit Koh Rong?
- April in Koh Rong: hot, rainy, with muggy air — fine if you can take 23 rainy days. It ranks #5 of 12 months for Koh Rong on SeasonMap's comfort score (78/100).
- What is the weather like in Koh Rong in April?
- In April, Koh Rong averages a daily high of 31.2°C and a low of 26.7°C, with about 147.7 mm of rain over roughly 23.4 rainy days.
- What is the air quality in Koh Rong in April?
- Koh Rong has a mean US Air Quality Index of about 51 in April.
Other months in Koh Rong
Compare Koh Rong in April
Warmer or cooler than Koh Rong in April
Similar destinations in Southeast Asia — April
Within 300 km: Phnom Penh's Khmer New Year on 13–16 Apr, and Phu Quoc's Dry season around 15 Nov – 30 Apr.