Svay Rieng Climate by Month – Rainy Season, Temperature Averages
Summary
The climate figures for Svay Rieng are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 2,185 mm.
The rainy season runs May–November. The wettest month is September with 377.8 mm across 29 rain days; the driest is February at just 17.9 mm.
The hottest month is April (average high 34.9°C) and the coolest is November (30.9°C).
The most comfortable time to visit Svay Rieng is February — less rain and milder heat.
Monthly averages · 2016–2025
| Monthly averages | High | Low | Rainfall | Rainy season |
|---|---|---|---|---|
| January | 32.4° | 22.8° | 22 mm | 4 |
| February | 33.8° | 23.1° | 18 mm | 3 |
| March | 34.8° | 24.4° | 39 mm | 5 |
| April | 34.9° | 25.5° | 99 mm | 12 |
| May | 33.4° | 25.8° | 228 mm | 26 |
| June | 31.8° | 25.1° | 228 mm | 27 |
| July | 31.4° | 25.0° | 308 mm | 29 |
| August | 31.6° | 24.9° | 304 mm | 29 |
| September | 31.2° | 24.5° | 378 mm | 29 |
| October | 30.9° | 24.0° | 336 mm | 27 |
| November | 30.9° | 23.6° | 168 mm | 18 |
| December | 31.4° | 23.0° | 57 mm | 8 |