Tbong Khmum Weather in May – Average Temperature and Rainfall

High
33.2°
Low
25.6°
Rainfall
244 mm
Rainy season
25d
max
39.5°
min
23.2°

May

Early
34.5°
54.3 mm
Mid
33.2°
76.3 mm
Late
32.1°
113.8 mm

Summary

The climate figures for Tbong Khmum are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 2,123 mm.

The rainy season runs May–November. The wettest month is September with 407.1 mm across 29 rain days; the driest is February at just 16.4 mm.

The hottest month is March (average high 34.9°C) and the coolest is October (30.4°C).

The most comfortable time to visit Tbong Khmum is February — less rain and milder heat.

Monthly averages

Common questions

Will it rain in Tbong Khmum today?
Yes. Rain is expected around 00:00–00:00, totalling roughly 18.5 mm.
How hot is it in Tbong Khmum today?
Between 24°C and 30°C, with a felt maximum of 37°C.
What is the weather in Tbong Khmum tomorrow?
Tomorrow: thunderstorm, 24–30°C, with a 100% chance of rain.

Tbong Khmum