Island in Preah Sihanouk, Cambodia
Koh Rong weather by month and the best time to visit
When to go to Koh Rong
Nov–Mar is dry with calm seas. Apr–May is hot; Jun–Oct is wet, rough, and many ferries and resorts reduce services.
Koh Rong weather by month
Average daily high, rainfall and conditions.
- Jan28°33 mm
- Feb28°24 mm
- Mar28°69 mm
- Apr29°125 mm
- May30°239 mm
- Jun29°348 mm
- Jul29°414 mm
- Aug28°345 mm
- Sep28°389 mm
- Oct28°245 mm
- Nov29°135 mm
- Dec28°53 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 28°C82°F | 26°C79°F | 33 mm | 74% | Pleasant |
| February | 28°C82°F | 26°C80°F | 24 mm | 75% | Pleasant |
| March | 28°C83°F | 27°C81°F | 69 mm | 77% | Pleasant |
| April | 29°C85°F | 28°C83°F | 125 mm | 77% | Pleasant |
| May | 30°C85°F | 29°C84°F | 239 mm | 80% | Rainy |
| June | 29°C84°F | 28°C83°F | 348 mm | 81% | Very wet |
| July | 29°C83°F | 28°C82°F | 414 mm | 82% | Very wet |
| August | 28°C83°F | 28°C82°F | 345 mm | 82% | Very wet |
| September | 28°C83°F | 28°C82°F | 389 mm | 83% | Very wet |
| October | 28°C83°F | 27°C81°F | 245 mm | 82% | Rainy |
| November | 29°C83°F | 27°C81°F | 135 mm | 78% | Pleasant |
| December | 28°C83°F | 27°C80°F | 53 mm | 75% | Pleasant |
Best months across Cambodia
| Place | Best months | Warmest month |
|---|---|---|
| Siem Reap | Nov–Feb | Mar (36°C) |
| Phnom Penh | Nov–Feb | Mar (37°C) |
| Koh Rong | Nov–Mar | May (30°C) |
| Kampot | Nov–Feb | Mar (33°C) |
| Sihanoukville | Nov–Feb | Apr (31°C) |
| Koh Rong Samloem | Nov–Mar | May (30°C) |
| Battambang | Nov–Feb | Mar (36°C) |
| Kep | Nov–Feb | Mar (33°C) |
Quick answers
What is the best month to visit Koh Rong?
Nov–Mar. Nov–Mar is dry with calm seas. Apr–May is hot; Jun–Oct is wet, rough, and many ferries and resorts reduce services.
When is the rainy season in Koh Rong?
Rain peaks in July with about 414 mm. Months with 150 mm or more: May–Oct.
What is the hottest month in Koh Rong?
May, with average highs of 30°C (85°F).
How cold does Koh Rong get?
The coolest nights are in January, averaging 26°C (79°F).
More about Koh Rong
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.