Preah Vihear Climate by Month – Rainy Season, Temperature Averages
Summary
The climate figures for Preah Vihear are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 2,034 mm.
The rainy season runs May–October. The wettest month is September with 398 mm across 29 rain days; the driest is January at just 13 mm.
The hottest month is March (average high 34.7°C) and the coolest is September (29.9°C).
The most comfortable time to visit Preah Vihear is January — less rain and milder heat.
Monthly averages · 2016–2025
| Monthly averages | High | Low | Rainfall | Rainy season |
|---|---|---|---|---|
| January | 31.5° | 20.4° | 13 mm | 2 |
| February | 33.4° | 21.6° | 14 mm | 3 |
| March | 34.7° | 23.9° | 46 mm | 8 |
| April | 34.6° | 24.9° | 96 mm | 15 |
| May | 32.9° | 24.8° | 259 mm | 26 |
| June | 31.4° | 24.4° | 242 mm | 27 |
| July | 30.6° | 24.1° | 332 mm | 29 |
| August | 30.7° | 24.1° | 300 mm | 27 |
| September | 29.9° | 23.6° | 398 mm | 29 |
| October | 30.1° | 22.9° | 224 mm | 23 |
| November | 30.4° | 21.8° | 86 mm | 11 |
| December | 30.1° | 20.3° | 24 mm | 3 |