Dehiwala Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Dehiwala, Colombo District, Sri Lanka. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

While the amount of sunshine in Dehiwala changes moderately throughout the year, the annual total remains impressive at around 2623 hours. Expect slightly brighter days in March and a subtle dip in September.

Daily hours of sunshine

Enjoy up to 9.2 hours of daily sun in March, and experience slightly darker atmosphere in September, with about 6.3 hours of daily sunlight.

Dehiwala enjoys an average of 2623 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

October, Dehiwala’s wettest month, receives 97 mm (3.8 in) of rainfall and has a maximum daytime temperature of 30°C (86°F). During the driest month January you can expect a temperature of 32°C (90°F).

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