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.