Koh Kong Climate by Month – Rainy Season, Temperature Averages
Summary
The climate figures for Koh Kong are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 3,576 mm.
The rainy season runs March–November. The wettest month is July with 746.2 mm across 30 rain days; the driest is December at just 37 mm.
The hottest month is April (average high 30.9°C) and the coolest is September (28.1°C).
The most comfortable time to visit Koh Kong is December — less rain and milder heat.
Monthly averages · 2016–2025
| Monthly averages | High | Low | Rainfall | Rainy season |
|---|---|---|---|---|
| January | 30.3° | 23.4° | 45 mm | 9 |
| February | 30.5° | 23.6° | 49 mm | 11 |
| March | 30.5° | 24.7° | 114 mm | 19 |
| April | 30.9° | 25.3° | 127 mm | 22 |
| May | 30.3° | 25.6° | 306 mm | 27 |
| June | 29.0° | 25.1° | 465 mm | 28 |
| July | 28.3° | 24.6° | 746 mm | 30 |
| August | 28.2° | 24.7° | 614 mm | 30 |
| September | 28.1° | 24.5° | 597 mm | 28 |
| October | 29.1° | 24.4° | 346 mm | 27 |
| November | 30.4° | 24.5° | 131 mm | 17 |
| December | 30.7° | 24.0° | 37 mm | 9 |