Climate and Weather of Gampaha District, Sri Lanka

In Sri Lanka you have several regions, one of which is called Gampaha District. The most popular city in this region is Negombo, whose climate data we'll examine to provide you with an overview of what weather to expect in Gampaha District. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

High temperatures are a constant in Gampaha District, especially in Negombo, with average maximums staying above 29°C all year long.

Gampaha District reaches its peak temperature in March, hitting 33°C, while January brings cooler conditions with daytime highs of 29°C.

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 of rain, while January stays relatively dry with 48 mm.

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

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Gampaha District, Sri Lanka?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.