Asia · Cambodia
Best time to visit Cambodia
Cambodia is represented here by Phnom Penh (11.6°, 104.9°). The NASA POWER daily series for 2001–2020 gives that city a monsoon climate with a sharp wet-dry split, 1242 mm of rain a year, and a 4.5°C swing between the coolest and warmest monthly averages.
Every city we list in Cambodia falls in a monsoon climate with a sharp wet-dry split.
Climate in Phnom Penh
Phnom Penh is hottest in April (average 31.6°C) and coolest in November (27.1°C). The monsoon runs May–October.
Open the Phnom Penh page for the month-by-month table, the temperature–rainfall chart, and the scoring notes.
Best months by region
Phnom Penh: typical hottest-month average 31.6°C and about 1242 mm of rain a year. Best-scoring months — Phnom Penh (December, January, and February).
Phnom Penh in Cambodia
Phnom Penh sits at 11.56°, 104.92°. It is a monsoon climate with a sharp wet-dry split. April is the warmest month at 31.6°C (high 36.9°C); November is the coolest at 27.1°C (low 23.3°C). The gap between those monthly averages is 4.5°C.
The monsoon runs from May to October. The three highest-scoring months for a visit are December, January, and February. That ranking uses the same 22°C / low-rain / 60% humidity score as the city pages. Population in the GeoNames record is 1,573,544. The wettest month is September (190 mm, 22 days with at least 1 mm); the driest is February (11 mm).