SeasonMapKoh Rong weather in March
Cambodia
March in Koh Rong: sweltering, rainy, with muggy air — fine if you can take 37°C afternoons.
#4 of 12 months in Koh Rong · #319 of 1383 destinations to visit in March · comfort 85/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Koh Rong in March
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Koh Rong climate normals — March
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 37°C / 99°F | |
| Sea temperature | 29°C / 85°F | ♨️ bath-warm |
| Rainfall | 83 mm / 3.3 in | 🌧 rainy |
| Rainy days | 18 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.1 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 58 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Koh Rong in March
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.
Shoulder seasonschool holidays in 2 of the markets that fill it, an ordinary month(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 March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Bioluminescent plankton
1 Nov – 31 Mar · usuallyBioluminescenceCalm dry-season water and a moonless night are what it takes; walk to a beach the resorts have stopped lighting and the water lights up where you move it. Nothing to see on a bright moon.
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 March — FAQ
- Is March a good time to visit Koh Rong?
- March in Koh Rong: sweltering, rainy, with muggy air — fine if you can take 37°C afternoons. It ranks #4 of 12 months for Koh Rong on SeasonMap's comfort score (85/100).
- What is the weather like in Koh Rong in March?
- In March, Koh Rong averages a daily high of 30.5°C and a low of 26°C, with about 82.6 mm of rain over roughly 17.8 rainy days.
- What is the air quality in Koh Rong in March?
- Koh Rong has a mean US Air Quality Index of about 58 in March.
Other months in Koh Rong
Compare Koh Rong in March
Warmer or cooler than Koh Rong in March
Similar destinations in Southeast Asia — March
Within 300 km: Phu Quoc's Dry season around 15 Nov – 30 Apr, and Phnom Penh's Dry season around 15 Nov – 30 Apr.