Average Monthly Sunshine in Dehiwala

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

Monthly hours of sunshine

Across the seasons, sunshine hours in Dehiwala vary. From a high of 276 hours in March, to a low of 189 hours in September, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 2623 hours.

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’s total hours of sunshine compared to other major cities

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

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Other climate information

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

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.