Koh Rong Weather in May – Average Temperature and Rainfall
- High
- 30.2°
- Low
- 27.2°
- Rainfall
- 330 mm
- Rainy season
- 27d
- max
- 33.5°
- min
- 25.4°
May
- Early
- 30.4° 88.6 mm
- Mid
- 30.3° 83.4 mm
- Late
- 29.9° 157.5 mm
Summary
The climate figures for Koh Rong are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 3,143 mm.
The rainy season runs April–November. The wettest month is July with 539.4 mm across 29 rain days; the driest is December at just 49 mm.
The hottest month is May (average high 30.2°C) and the coolest is January (28.4°C).
The most comfortable time to visit Koh Rong is December — less rain and milder heat.
Monthly averages
Common questions
Will it rain in Koh Rong today?
Yes. Rain is expected around 06:00–22:00, totalling roughly 4.6 mm.
How hot is it in Koh Rong today?
Between 27°C and 29°C, with a felt maximum of 35°C.
What is the weather in Koh Rong tomorrow?
Tomorrow: light showers, 26–30°C, with a 76% chance of rain.