Average Monthly Sunshine in Phnom Penh

The graphs on this page shows the average number of hours per month and per day that Phnom Penh receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Seasonal sunshine in Phnom Penh varies. It peaks at 270 hours in March and drops to 129 hours in September. The total annual amount of sun is 2501 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Phnom Penh. While March receives considerable daily sunshine with up to 9.0 hours, September marks the darkest time of the year, where sunshine is scarce with only 4.3 hours of sunlight per day.

Phnom Penh’s total hours of sunshine compared to other major cities

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

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

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

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

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

Other climate information

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

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.