Negombo Weather & Climate: Best Time to Visit

The climate in Negombo remains fairly constant, offering very warm temperatures throughout the year. Average daytime temperatures reach a very warm 33°C (91°F) in March. In August, the coolest month of the year, temperatures drop to a comfortable 30°C (86°F).

At night, temperatures range from around 27°C (81°F) in March to 24°C (75°F) in August.

Check out our detailed temperature page for more information.

Temperature ranges by month

Negombo is known for its substantial rainfall, with annual precipitation reaching 2342 mm (92 in). Negombo can be quite wet during October, receiving approximately 338 mm (13 in) of precipitation over 15 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 48 mm (1.9 in) of precipitation spread across 4 rainy days. For more details, please visit our Negombo Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Negombo experiences moderate variation in sunshine hours across the seasons. With 9.2 hours daily sunshine in March, it dips to 6.3 hours in September, offering a balanced mix of sunny and overcast days.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Negombo.

The city experiences its highest humidity in June, reaching 79%. In February, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year