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Negombo Climate by Month

The graphs below provide an overview of the climate in Negombo (Gampaha District), Sri Lanka. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

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

Forecast for Negombo

Mon   Jun 24
31°C | 26°C
SW 25 km/h
14 mm
partly cloudy and slight rain

partly cloudy and slight rain

Tue   Jun 25
31°C | 26°C
SW 25 km/h
18 mm
broken clouds and thunder

broken clouds and thunder

Wed   Jun 26
31°C | 26°C
SW 22 km/h
25 mm
broken clouds and thunder

broken clouds and thunder

The best time of year to visit Negombo in Sri Lanka

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.

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.