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Phnom Penh climate
Southeast Asia ✓ Measured weather history Cost of living in Phnom Penh →
How Phnom Penh actually feels through the year — hour-by-hour temperatures, rainfall, and humidity, computed from three years of measured weather history. Best months for comfortable weather: Jan.
Hourly temperature, month by month
Each column is a month, each row an hour of the day; colors are discrete comfort bands. Read it like a map: yellow is "just right", green is pleasantly cool, and brick red is hot.
Temperature & rainfall
Average daily high and low, with monthly rainfall as bars on the right-hand scale.
Humidity comfort
Share of hours per month in each dew-point comfort band — from dry through muggy to miserable. A "muggy+ day" has a dew point of 65°F (18°C) or higher for at least half the day.
Planning a stay? See the full Phnom Penh cost of living breakdown, the Cambodia country profile, check visa options for Cambodia, or compare weather across all cities in the Climate Explorer.
Data last updated · Source: Open-Meteo archive API (ERA5), hourly history 2023-2025