Koh Rong Weather in May – Average Temperature and Rainfall

High
30.2°
Low
27.3°
Rainfall
330 mm
Rainy season
27d
max
33.3°
min
25.6°

May

Early
30.3°
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 February (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 00:00–00:00, totalling roughly 29 mm.
How hot is it in Koh Rong today?
Between 26°C and 29°C, with a felt maximum of 33°C.
What is the weather in Koh Rong tomorrow?
Tomorrow: thunderstorm, 26–28°C, with a 100% chance of rain.

Koh Rong