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

March 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
March, the first month of the spring, in Phnom Penh, is also a hot month, with average temperature varying between 34.9°C (94.8°F) and 24.1°C (75.4°F).

Temperature

The warmest months are March and April, with an average high-temperature of 34.9°C (94.8°F).

Humidity

February and March, with an average relative humidity of 71%, are the least humid months.

Rainfall

In Phnom Penh, Cambodia, during 5.2 rainfall days, 58mm (2.3") of precipitation is typically accumulated. Throughout the year, there are 153.4 rainfall days, and 1635.6mm (64.4") of precipitation is accumulated.

Daylight

The average length of the day is 12.1h.

Sunshine

With an average of 8.6h of sunshine, March has the most sunshine of the year in Phnom Penh, Cambodia.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 12 in March transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the warmest month in Phnom Penh?

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

What is the temperature in March in Phnom Penh?

The average high-temperature, in March, in Phnom Penh, Cambodia, is 34.9°C (94.8°F), while the average low-temperature is 24.1°C (75.4°F).

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 average humidity in March in Phnom Penh?

In Phnom Penh, the average relative humidity in March is 71%.

How many days does it rain in March in Phnom Penh?

In Phnom Penh, in March, during 5.2 rainfall days, 58mm (2.3") of precipitation is typically accumulated.

What is the average length of the day in March in Phnom Penh?

In Phnom Penh, the average length of the day in March is 12.1h.

What month has the most sunshine in Phnom Penh?

With an average of 8.6h of sunshine, March has the most sunshine of the year in Phnom Penh, Cambodia.

How long on average sun shines in March in Phnom Penh?

In March, the average sunshine in Phnom Penh, Cambodia, is 8.6h.

When is the highest UV index in Phnom Penh?

February through October, with an average maximum UV index of 12, are months with the highest UV index.

How high is the UV index in March in Phnom Penh?

The average daily maximum UV index in March is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV rays.
Average temperature in March - Phnom Penh, Cambodia
  • Average high temperature in March: 34.9°C

Warmest months (with the highest average high temperature) are March and April (34.9°C).
The month with the lowest average high temperature is November (29.9°C).

  • Average low temperature in March: 24.1°C

The month with the highest average low temperature is May (25.3°C).
The coldest month (with the lowest average low temperature) is December (21.7°C).

Average humidity in March - Phnom Penh, Cambodia
  • Average humidity in March: 71%

Months with the highest relative humidity are September and October (84%).
Months with the lowest relative humidity are February and March (71%).

Average rainfall in March - Phnom Penh, Cambodia
  • Average rainfall in March: 58mm

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 in March - Phnom Penh, Cambodia
  • Average rainfall days in March: 5.2 days

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 in March / Average sunshine in March - Phnom Penh, Cambodia
  • Average daylight in March: 12.1h

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

  • Average sunshine in March: 8.6h

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 in March - Phnom Penh, Cambodia
  • Average UV index in March: 12

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).