Colombo

Colombo District Weather & Climate: Sri Lanka

Climate by month across Colombo District, Sri Lanka, average temperatures, rainfall and the best time to visit.

Climate overview of Colombo District

Whether you're visiting Colombo District in Sri Lanka during the peak of March (33°C (91°F)) or the cooler months around August (30°C (86°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Colombo, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In Colombo District, especially in Colombo, temperatures remain consistently high year-round, with average maximums never dropping below 30°C (86°F).

February, March and April are generally the hottest months of the year.

When it comes to rainfall, Colombo District sees significant variations throughout the year. October tends to be the wettest, receiving 354 mm (14 in) of rain, while January is much drier with just 71 mm (2.8 in). Travelers should note that the rainy season falls during April, May, June, July, August, September, October and November, bringing substantial precipitation ranging from 204 mm (8 in) to 354 mm (14 in) monthly.

March is the sunniest period, with ideal conditions for exploring the region and all it has to offer.

Explore Colombo District by month

Pick a month to see the average temperature, rainfall and sunshine in Colombo District — and find the best time to visit. (based on Colombo)

Popular cities by month

Compare cities per month. Toggle cities on/off.

Colombo Mount Lavinia Dehiwala Nugegoda Boralesgamuwa Sri Jayewardenepura Kotte
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of Colombo District

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Colombo 30°C (86°F) 33°C (91°F) 24°C (75°F) 26°C (79°F) 2608 mm (103 in) 2,623 hours
Mount Lavinia 30°C (86°F) 33°C (91°F) 24°C (75°F) 26°C (79°F) 2648 mm (104 in) 2,623 hours
Dehiwala 30°C (86°F) 33°C (91°F) 24°C (75°F) 26°C (79°F) 2638 mm (104 in) 2,623 hours
Nugegoda 30°C (86°F) 33°C (91°F) 24°C (75°F) 26°C (79°F) 2655 mm (105 in) 2,623 hours
Boralesgamuwa 30°C (86°F) 33°C (91°F) 24°C (75°F) 26°C (79°F) 2689 mm (106 in) 2,623 hours
Sri Jayewardenepura Kotte 30°C (86°F) 33°C (91°F) 24°C (75°F) 26°C (79°F) 2658 mm (105 in) 2,623 hours

Places in Colombo District, Sri Lanka

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.