ClimateForecastDecemberJanuary >>

Negombo Climate by Month

Negombo has a tropical rainforest climate and the city experiences a lot of rain. The rain is fairly evenly distributed over the year. Only in January the average rainfall is slightly lower. The temperatures are the same throughout the year. The average daytime temperature is around 30°C. These two factors combined causes a high humidity. Also tropical storms and hurricanes can occur in Negombo.

Average day and night temperature

The climate in Negombo remains fairly constant, offering very warm temperatures throughout the year. Average daytime temperatures reach a very warm 33°C in March. In January, the coolest month of the year, temperatures drop to a comfortable 30°C. At night, expect cooler temperatures, averaging 24°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

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

In contrast January, experiences much drier conditions, with 48 mm of rainfall, spread across 4 rainy days.

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

Sunshine over the year

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.

Monthly hours of sunshine

Data from: Colombo, Sri Lanka (34 KM, 21 Miles).

Daily hours of sunshine

Data from: Colombo, Sri Lanka (34 KM, 21 Miles).

The best time of year to visit Negombo in Sri Lanka

Negombo has high temperatures year round ranging between 29°C and 32°C.
Other facts from our historical weather data:
  • Which is the hottest month in Negombo?
    March has an average maximum temperature of 33°C and is the hottest month of the year.
  • Which is the coolest month in Negombo?
    The coolest month is January with an average maximum temperature of 30°C.
  • Which is the wettest month in Negombo?
    October tops the wettest month list with 338 mm of rainfall.
  • Which is the driest month in Negombo?
    January is the driest month with 48 mm of precipitation.
  • Which is the sunniest month in Negombo?
    March is the sunniest month with an average of 276 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Negombo

    Thu   Dec 12
    31°C | 24°C
    W 22 km/h
    4.1 mm
    broken clouds and thunder

    broken clouds and thunder

    Fri   Dec 13
    31°C | 24°C
    SE 7 km/h
    8.5 mm
    broken clouds and thunder

    broken clouds and thunder

    Sat   Dec 14
    32°C | 23°C
    NW 18 km/h
    5.3 mm
    broken clouds and thunder

    broken clouds and thunder