Gampaha District in Sri Lanka sees its peak temperatures in March (33°C (91°F)) and its coolest in August (29°C (84°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Negombo, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Gampaha District, particularly in Negombo, temperatures are consistently high throughout the year, with average maximum temperatures always above 29°C (84°F).
February, March and April are generally the hottest months of the year.
Precipitation in Gampaha District varies considerably throughout the year. The wettest conditions occur in October with 337 mm (13 in) of rain, while January stays relatively dry with 48 mm (1.9 in).
March is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
