Phnom Penh Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Phnom Penh, Phnom Penh Municipality, Cambodia. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

If you're visiting Phnom Penh, timing is key. In March, you can enjoy up to 270 hours of sunshine, while the shorter days of September provide just 129 hours. The total annual amount of sun is 2501 hours.

Daily hours of sunshine

In Phnom Penh, summer days are longer and more sunny, with daily sunshine hours peaking at 9.0 hours in March. As the darker season arrives, the brightness of the sun becomes less. September sees a soft sun for only 4.3 hours per day.

Phnom Penh enjoys an average of 2501 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

September, Phnom Penh’s wettest month, receives 94 mm (3.7 in) of rainfall and has a maximum daytime temperature of 33°C (91°F). During the driest month February you can expect a temperature of 35°C (95°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Phnom Penh Precipitation page.