Phnom Penh
Cambodia
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Phnom Penh, Cambodia

The buildings in the Royal Palace-yard in Phnom Penh, Cambodia
The buildings in the Royal Palace-yard in Phnom Penh, Cambodia
January, the same as December, in Phnom Penh, Cambodia, is another hot winter month, with temperature in the range of an average low of 21.9°C (71.4°F) and an average high of 31.5°C (88.7°F). In Phnom Penh, the average high-temperature is almost the same as in December - a still hot 31.5°C (88.7°F). Weather in January »
The last month of the winter, February, is another hot month in Phnom Penh, Cambodia, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 32.8°C (91°F). In Phnom Penh, the average high-temperature is relatively the same as in January - a still tropical 32.8°C (91°F). Weather in February »

The first month of the spring, March, is still a hot month in Phnom Penh, Cambodia, with average temperature fluctuating between 24.1°C (75.4°F) and 34.9°C (94.8°F). March and April, with an average high-temperature of 34.9°C (94.8°F), are the warmest months. In March, the average heat index is evaluated at a blazing hot 50.5°C (122.9°F). Weather in March »

April, the same as March, in Phnom Penh, Cambodia, is another hot spring month, with average temperature fluctuating between 34.9°C (94.8°F) and 25°C (77°F). The warmest months are March and April, with an average high-temperature of 34.9°C (94.8°F). The average heat index is appraised at a life-threatening hot 51.7°C (125.1°F). Weather in April »

The last month of the spring, May, is another tropical month in Phnom Penh, Cambodia, with average temperature fluctuating between 25.3°C (77.5°F) and 34.3°C (93.7°F). In May, the average high-temperature is practically the same as in April - a still hot 34.3°C (93.7°F). Weather in May »

June, the first month of the summer, in Phnom Penh, is still a tropical month, with temperature in the range of an average low of 25°C (77°F) and an average high of 33.5°C (92.3°F). In Phnom Penh, the average high-temperature is relatively the same as in May - a still tropical 33.5°C (92.3°F). Weather in June »

July, the same as June, in Phnom Penh, Cambodia, is a hot summer month, with average temperature varying between 24.7°C (76.5°F) and 32.5°C (90.5°F). In July, the average high-temperature is almost the same as in June - a still hot 32.5°C (90.5°F). Weather in July »

The last month of the summer, August, is another tropical month in Phnom Penh, Cambodia, with average temperature ranging between max 32.5°C (90.5°F) and min 24.6°C (76.3°F). In August, the average high-temperature remains equal as in July - a still hot 32.5°C (90.5°F). Weather in August »

September, the first month of the autumn, in Phnom Penh, is still a hot month, with average temperature varying between 32.3°C (90.1°F) and 24.3°C (75.7°F). In Phnom Penh, Cambodia, the average high-temperature in September is relatively the same as in August - a still hot 32.3°C (90.1°F). Weather in September »

October, like September, is another tropical autumn month in Phnom Penh, Cambodia, with average temperature fluctuating between 31.1°C (88°F) and 23.8°C (74.8°F). In Phnom Penh, the average high-temperature in October is practically the same as in September - a still hot 31.1°C (88°F). Weather in October »

The last month of the autumn, November, is another warm month in Phnom Penh, Cambodia, with temperature in the range of an average low of 22.7°C (72.9°F) and an average high of 29.9°C (85.8°F). The coldest month is November, with an average high-temperature of 29.9°C (85.8°F) and an average low-temperature of 22.7°C (72.9°F). In November, the average heat index is appraised at a sweltering 36.8°C (98.2°F). Weather in November »

December, the first month of the winter, in Phnom Penh, is a tropical month, with average temperature varying between 21.7°C (71.1°F) and 30.1°C (86.2°F). In December, the average high-temperature is essentially the same as in November - a tropical 30.1°C (86.2°F). Weather in December »

How many days does it rain in Phnom Penh?

Throughout the year, in Phnom Penh, Cambodia, there are 153.4 rainfall days, and 1635.6mm (64.4") of precipitation is accumulated.

What is the month with the shortest days in Phnom Penh?

January and December, with an average of 11.5h of daylight, are months with the shortest days in Phnom Penh.

What is the month with the lowest UV index in Phnom Penh?

Months with the lowest UV index in Phnom Penh are January, November and December, with an average maximum UV index of 10.

What is the least humid month in Phnom Penh?

Months with the lowest humidity are February and March, with an average relative humidity of 71%.

What is the driest month in Phnom Penh?

The month with the least rainfall is February when the rain falls for 2.4 days and typically collects 11.5mm (0.5") of precipitation.

What is the month with the highest UV index in Phnom Penh?

Months with the highest UV index in Phnom Penh are February through October, with an average maximum UV index of 12.

What is the warmest month in Phnom Penh?

Warmest months in Phnom Penh, Cambodia, are March and April, with an average high-temperature of 34.9°C (94.8°F).

What month has the most sunshine in Phnom Penh?

The month with the most sunshine is March, with an average of 8.6h of sunshine.

When are the longest days in Phnom Penh?

June has the longest days of the year, with an average of 12.8h of daylight.

What is the most humid month in Phnom Penh?

Months with the highest humidity in Phnom Penh are September and October, with an average relative humidity of 84%.

What is the month with the least sunshine in Phnom Penh?

September has the least sunshine of the year in Phnom Penh, Cambodia, with an average of 4.3h of sunshine.

What is the rainiest month in Phnom Penh?

The month with the most rainfall in Phnom Penh, Cambodia, is October when the rain falls for 24 days and typically aggregates up to 318.9mm (12.6") of precipitation.

What is the coldest month in Phnom Penh?

November is the coldest month in Phnom Penh, with an average high-temperature of 29.9°C (85.8°F) and an average low-temperature of 22.7°C (72.9°F).
Average temperature - Phnom Penh, Cambodia
Average humidity - Phnom Penh, Cambodia
Average rainfall - Phnom Penh, Cambodia

The wettest month (with the highest rainfall) is October (318.9mm).
The driest month (with the lowest rainfall) is February (11.5mm).

Average rainfall days - Phnom Penh, Cambodia

The month with the highest number of rainy days is October (24 days).
The month with the lowest number of rainy days is February (2.4 days).

Average daylight / Average sunshine - Phnom Penh, Cambodia

The month with the longest days is June (Average daylight: 12.8h).
Months with shortest days are January and December (Average daylight: 11.5h).

The month with most sunshine is March (Average sunshine: 8.6h).
The month with least sunshine is September (Average sunshine: 4.3h).

Average UV index - Phnom Penh, Cambodia

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are January, November and December (UV index 10).