Whether you're visiting Kalutara District in Sri Lanka during the peak of April (31°C (88°F)) or the cooler months around August (29°C (84°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Bentota, 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 Kalutara District, particularly in Bentota, temperatures are consistently high throughout the year, with average maximum temperatures always above 29°C (84°F).
March, April and May are generally the hottest months of the year.
When it comes to rainfall, Kalutara District sees significant variations throughout the year. October tends to be the wettest, receiving 350 mm (14 in) of rain, while February is much drier with just 75 mm (3 in). Travelers should note that the rainy season falls during April, May, June, July, August, September, October and November, bringing substantial precipitation ranging from 201 mm (7.9 in) to 350 mm (14 in) monthly.
March is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
