Cambodia weather

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Below are the temperatures expected today at popular destinations in Cambodia. Select a destination to compare today's forecast with average weather conditions.

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The weather guide for Cambodia shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Cambodia?

The hottest time of year in Phnom Penh, Cambodia is normally May. Expect maximum daytime temperatures to reach 34°C with extreme heat and humidity.

Which month has the most rain in Cambodia?

In terms of rainfall, October is usually the wettest month in Phnom Penh, Cambodia with 263mm on average. There are normally 17 days in October with some rain.

When is it sunniest in Cambodia?

The sunniest time of year in Phnom Penh, Cambodia is normally January with bright sunshine on average for 76% of daylight hours; that's 9 hours of sunshine per day.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Cambodia weather with the USA

Below the Cambodia weather chart shows average maximum daytime temperature for Cambodia (Phnom Penh) and the USA (Washington).

Maximum daytime temperature (°C)

Cambodia (Phnom Penh)
USA (Washington)
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Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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Cambodia weather overview

Cambodia lies within the tropics and has a monsoon climate with rains arriving in May and lasting until October. Rainfall is heaviest in the south western hills and on the slopes surrounding the Gulf of Thailand. The rainy season brings cloudy days, hot and humid conditions and the risk of heat exhaustion. From December to April, the weather is largely hot and sunny although temperatures can fall quite low in the northern hills.

What to pack for Cambodia weather

Take light clothes, whatever the time of year, supplemented by warmer wear if you are travelling north in the winter and waterproofs for the rains.

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