Ratanakiri Climate by Month – Rainy Season, Temperature Averages
Summary
The climate figures for Ratanakiri are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 2,455 mm.
The rainy season runs May–October. The wettest month is July with 488.2 mm across 30 rain days; the driest is February at just 7.9 mm.
The hottest month is March (average high 34.9°C) and the coolest is September (28.6°C).
The most comfortable time to visit Ratanakiri is February — less rain and milder heat.
Monthly averages · 2016–2025
| Monthly averages | High | Low | Rainfall | Rainy season |
|---|---|---|---|---|
| January | 31.5° | 19.7° | 8 mm | 2 |
| February | 33.4° | 20.3° | 8 mm | 1 |
| March | 34.9° | 22.3° | 35 mm | 5 |
| April | 34.2° | 23.5° | 99 mm | 12 |
| May | 31.8° | 23.6° | 281 mm | 26 |
| June | 29.7° | 23.0° | 320 mm | 28 |
| July | 28.7° | 22.6° | 488 mm | 30 |
| August | 29.0° | 22.6° | 401 mm | 30 |
| September | 28.6° | 22.4° | 437 mm | 29 |
| October | 29.0° | 21.9° | 256 mm | 23 |
| November | 29.8° | 21.2° | 98 mm | 11 |
| December | 30.2° | 20.0° | 22 mm | 3 |